Deskripsi metrik untuk pemantauan instans, pemantauan node, dan tren performa - ApsaraDB for MongoDB

Topik ini menjelaskan metrik yang didukung oleh fitur pemantauan instans, pemantauan node, dan Tren performa ApsaraDB for MongoDB, serta makna masing-masing metrik.

Catatan

Untuk tampilan yang lebih baik, beberapa nilai dalam satuan Bytes secara otomatis dikonversi ke MB, GB, atau TB di Konsol.

Pemantauan instans

Catatan

Metrik yang didukung bervariasi tergantung pada tipe instans. Untuk informasi akurat, lihat Konsol.

Metrik	Kunci	Nama metrik	Makna metrik	Unit	Deskripsi detail	Tipe instans yang didukung
Disk usage	DiskUsage	disk_usage	Disk usage	%	Metrik ini menunjukkan beban disk suatu instans, yaitu persentase kapasitas disk total yang digunakan. Ketika penggunaan disk mencapai 80% atau lebih, Anda dapat mengubah konfigurasi instans di halaman detail instans di Konsol atau merujuk ke Penggunaan Disk Tinggi pada Instans MongoDB untuk mengatasi masalah tersebut.	Standalone Replica set Sharded cluster Serverless
Network traffic	MongoDB_Network	bytes_in	Inbound network traffic	Bytes	-
		bytes_out	Outbound network traffic	Bytes	-
		num_requests	Number of requests processed	count	-
Operation QPS	MongoDB_Opcounters	insert	Insert operation QPS	count	Parameter `MongoDB_Opcounters` mencakup semua operasi yang diterima oleh instans, terlepas dari apakah operasi tersebut berhasil dieksekusi atau tidak. Parameter ini mencatat operasi batch bertipe Bulk.insert() sebagai satu operasi. Untuk catatan yang lebih detail, Anda dapat merujuk ke metrik `MongoDB_Documents`. Untuk informasi lebih lanjut, lihat Metrik Opcounters dan Metrik Repl Opcounters.
		query	Query operation QPS	count
		update	Update operation QPS	count
		delete	Delete operation QPS	count
		getmore	Read operation QPS	count
		command	Protocol command operation QPS	count
Connections	MongoDB_TotalConns	connections_active	Current active connections	count	Jumlah koneksi client ke server yang saat ini sedang melakukan operasi.
		current_conn	Current connections	count	Total jumlah koneksi client ke server. Ini mencakup koneksi yang dibuat oleh node lain dalam replica set atau koneksi antara Mongos dan node shard.
		connections_totalCreated_ps	Total new connections per second	count	-	Standalone Replica set Sharded cluster
		connections_available	Current available connections	count	-
Connection usage	ConnectionUsage	conn_usage	Connection usage	%	Rasio jumlah koneksi saat ini terhadap jumlah maksimum koneksi. Metrik ini menunjukkan beban koneksi instans. Jumlah maksimum koneksi bervariasi tergantung pada tipe instans MongoDB Anda. Untuk informasi lebih lanjut, lihat Spesifikasi. Anda dapat mengubah konfigurasi instans di halaman detail instans di Konsol untuk meningkatkan batas koneksi, atau merujuk ke Cara Menanyakan dan Membatasi Jumlah Koneksi untuk menyesuaikan jumlah koneksi di sisi client Anda.
CPU usage	CpuUsage	cpu_usage	CPU usage	%	Jumlah pemanfaatan CPU sistem dan pemanfaatan CPU pengguna merepresentasikan beban layanan instans. Pemanfaatan CPU tinggi dapat menyebabkan operasi baca dan tulis data menjadi sangat lambat dan memengaruhi layanan normal. Untuk mendiagnosis dan mengatasi masalah ini, lihat Pemanfaatan CPU Tinggi pada Instans MongoDB.
	MongoDB_CpuDetail	cpu_sys	System CPU usage	%	-
	MongoDB_CpuDetail	cpu_user	User CPU usage	%	-
Memory usage	MemoryUsage	mem_usage	Memory usage	%	Memori terutama dikonsumsi oleh mesin penyimpanan WiredTiger, koneksi client, dan pemrosesan permintaan. Untuk memahami penyebab penggunaan memori tinggi dan strategi optimasi, lihat Penggunaan Memori Tinggi pada Instans MongoDB.
IOPS usage	MongoDB_IOPS	iops	IOPS usage	times/s	Instans replica set dan instans kluster sharded yang menggunakan cloud disk dan menjalankan MongoDB 4.2 tidak mendukung penampilan penggunaan IOPS dan laju penggunaan IOPS. Metrik data_iops dan log_iops pada versi pemantauan sebelumnya telah digabung menjadi iops.
		read_iops	Read IOPS usage	times/s	-
		write_iops	Write IOPS usage	times/s	-
IOPS usage rate	IOPSUsage	iops_usage	IOPS usage rate	%	Rasio penggunaan IOPS instans terhadap IOPS maksimum spesifikasi saat ini menunjukkan beban layanan instans. Jika penggunaan IOPS instans MongoDB mencapai atau mendekati 100%, instans mungkin merespons dengan lambat bahkan menjadi tidak tersedia. Penggunaan IOPS Tinggi pada Instans MongoDB menjelaskan cara melihat penggunaan IOPS instans MongoDB, penyebab penggunaan IOPS tinggi, dan strategi optimasi. Catatan Instans replica set dan instans kluster sharded yang menggunakan cloud disk dan menjalankan MongoDB 4.2 tidak mendukung penampilan penggunaan IOPS dan laju penggunaan IOPS.
Disk space usage	MongoDB_DetailedSpaceUsage	ins_size	Used disk space	Bytes	Untuk instans yang menggunakan disk lokal, ruang disk yang digunakan adalah jumlah ruang yang digunakan pada disk data dan disk log. Untuk instans yang menggunakan cloud disk, ruang disk yang digunakan juga mencakup ruang yang ditempati oleh metadata sistem file.
		data_size	Used data disk space	Bytes	Ruang yang digunakan oleh disk data (tidak termasuk database lokal). Ini terutama mencakup file data fisik yang dimulai dengan "collection", file indeks fisik yang dimulai dengan "index", dan beberapa file metadata fisik, seperti WiredTiger.wt.
		log_size	Used log disk space	Bytes	Ukuran fisik database lokal.
Operation details	MongoDB_OperationDetails	operation_exactIDCount_ps	Number of count operations for a specific ID	count	Jumlah operasi pembaruan tunggal yang menggunakan bidang `_id` alih-alih kunci shard pada koleksi sharded. Pada versi saat ini, jenis operasi ini menyebabkan traversal semua chunk dalam instans. Jika jumlah chunk besar, hal ini dapat memaksimalkan CPU dan memengaruhi performa instans.
		operation_scanAndOrder_ps	Number of sorting operations that do not use an index	count	Jumlah kueri terurut yang tidak dapat menggunakan indeks untuk melakukan operasi pengurutan. Nilai tinggi dapat menurunkan performa instans. Untuk mengatasi masalah ini, rujuk ke Praktik terbaik membuat indeks di ApsaraDB for MongoDB dan buat indeks berdasarkan kondisi kueri bisnis Anda.
		operation_writeConflicts_ps	Number of write conflicts	count	Jumlah kueri yang mengalami konflik tulis. Sejumlah kecil konflik tulis biasanya tidak berdampak signifikan. Namun, banyak konflik tulis dapat menurunkan performa database.
MBPS	MongoDB_Disk_Detail	read_io_bandwidth_mbps	Disk read throughput	MB/s	-
		write_io_bandwidth_mbps	Disk write throughput	MB/s	-
		io_bandwidth_mbps	Total disk throughput	MB/s	Jumlah throughput baca disk dan throughput tulis disk.
Number of transaction operations	MongoDB_Transactions	trans_totalPrepared_ps	Number of prepared transactions	count	-	Replica set Sharded cluster (Shard only)
		trans_totalPreparedThenCommited_ps	Number of prepared transactions that were successfully committed	count	-
		trans_totalPreparedThenAborted_ps	Number of prepared transactions that were successfully rolled back	count	-
		trans_totalStarted_ps	Number of started transactions	count	-	Standalone Replica set Sharded cluster
		trans_totalCommited_ps	Number of successfully committed transactions	count	-
		trans_totalAborted_ps	Number of successfully rolled back transactions	count	-
		trans_currentActive	Number of current active transactions	count	-
		trans_currentInactive	Number of current inactive transactions	count	-
		trans_currentOpen	Number of current open transactions (not committed or aborted)	count	-
Cursors	MongoDB_AllCursors	total_open	Number of currently open cursors	count	-
		timed_out	Number of cursors closed due to timeout	count	Jika nilai ini besar, periksa kode bisnis sisi client yang memproses data.
		job_cursors_closed	Number of cursors closed due to session shutdown	count	-
		pinned_open	Number of currently open and in-use cursors	count	Misalnya, operasi find atau getMore mem-pinned cursor untuk mencegahnya dihapus saat mengambil batch hasil berikutnya, dan melepas pinned cursor setelah mengembalikan hasil.
		noTimeout_open	Number of currently open and non-timed-out cursors	count	Jumlah cursor terbuka tanpa timeout yang dibuat dengan opsi noCursorTimeout. Opsi ini mencegah cursor timeout karena tidak aktif, tetapi pengaturan noCursorTimeout dibatasi oleh timeout sesi. Untuk informasi lebih lanjut, lihat dokumen.	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
WiredTiger	MongoDB_Wt_Cache	bytes_read_into_cache	Bytes read into cache	Bytes	Jumlah byte data yang dibaca dari disk ke cache WiredTiger.
		bytes_written_from_cache	Bytes written from cache	Bytes	Jumlah byte data yang ditulis dari cache WiredTiger ke disk.
		maximum_bytes_configured	Maximum cache size	Bytes	Ukuran cache maksimum dalam byte yang dikonfigurasi untuk mesin penyimpanan WiredTiger. Untuk memastikan kompatibilitas dan keamanan, ApsaraDB for MongoDB mengatur CacheSize untuk WiredTiger sekitar 60% dari ukuran memori instans. Untuk informasi lebih lanjut, lihat Penggunaan Memori Tinggi pada Instans MongoDB.
		oplog_bytes_in_cache	Oplog bytes in cache	MB	-
		oplog_bytes_read_into_cache	Oplog bytes read into cache	MB	-
		oplog_bytes_written_from_cache	Oplog bytes written from cache	MB	-
WT concurrent transactions	MongoDB_Wt_Concurrent_Trans	write_concurrent_trans_out	Current concurrent write transactions	count	Sebelum versi 7.0, jumlah transaksi baca dan tulis konkuren untuk suatu instans dibatasi hingga 128, dan parameter ketersediaan bernilai 0 dalam periode panjang dapat mengindikasikan overload. Mulai versi 7.0, MongoDB menggunakan algoritma default untuk menyesuaikan secara dinamis jumlah maksimum transaksi mesin penyimpanan konkuren guna mengoptimalkan throughput database selama overload. Akibatnya, parameter ketersediaan bernilai 0 dalam periode panjang tidak selalu mengindikasikan overload. Untuk informasi lebih lanjut, lihat dokumen.
		write_concurrent_trans_available	Available concurrent write transactions	count
		read_concurrent_trans_out	Current concurrent read transactions	count
		read_concurrent_trans_available	Available concurrent read transactions	count
WiredTigerUsage	MongoDB_WTCacheUsage	wt_cache_dirty_usage	WiredTiger dirty cache usage rate	%	Untuk informasi lebih lanjut, lihat Penggunaan Memori Tinggi pada Instans MongoDB.
WiredTigerUsage	MongoDB_WTCacheUsage	wt_cache_usage	WiredTiger cache usage rate	%
Average response time	MongoDB_RT	avg_rt	Total average response time	μs	-
		reads_avg_rt	Average response time for read operations	μs	-
		writes_avg_rt	Average response time for write operations	μs	-
		commands_avg_rt	Average response time for command operations	μs	-
		trans_avg_rt	Average response time for transaction operations	μs	-
Number of affected documents	MongoDB_Documents	document_deleted_ps	Number of deleted documents	count	-
		document_inserted_ps	Number of inserted documents	count	-
		document_returned_ps	Number of returned documents	count	-
		document_updated_ps	Number of updated documents	count	-
GlobalLock	MongoDB_GlobalLocks	gl_ac_readers	Number of active client connections performing read operations	count	-
		gl_ac_writers	Number of active client connections performing write operations	count	-
		gl_cq_writers	Number of operations waiting for a write lock	count	-
		gl_cq_readers	Number of operations waiting for a read lock	count	-
		gl_cq_total	Total number of operations waiting for a lock	count	Jumlah operasi yang menunggu lock tulis dan jumlah operasi yang menunggu lock baca. Nilai besar menunjukkan bahwa operasi client mungkin tertunda, yang dapat memengaruhi waktu respons aplikasi.
Number of scanned index entries and documents in queries	MongoDB_QueryExecutors	queryExecutor_scannedObject_ps	Number of documents scanned in queries	count	Total jumlah dokumen yang dipindai selama eksekusi kueri dan evaluasi rencana kueri. Ini sama dengan `totalDocsExamined` dalam output `explain()`. Nilai besar menunjukkan bahwa database perlu memindai banyak entri non-indeks. Kami menyarankan membuat indeks untuk bidang yang sering dipindai.
Number of scanned index entries and documents in queries	MongoDB_QueryExecutors	queryExecutor_scanned_ps	Number of index entries scanned in queries	count	Total jumlah entri indeks yang dipindai selama eksekusi kueri dan evaluasi rencana kueri. Ini sama dengan `explain()` dalam output `totalKeysExamined`. Jika nilai ini besar tetapi jumlah dokumen yang dikembalikan kecil, ini menunjukkan bahwa database memindai banyak kunci indeks untuk mendapatkan dokumen hasil. Hal ini menunjukkan bahwa indeks tidak efisien. Sesuaikan indeks atau buat indeks lain.
TTL	MongoDB_TTLs	ttl_deletedDocuments_ps	Number of documents deleted due to TTL index	count	Nilai tinggi menunjukkan bahwa banyak dokumen sedang dihapus, yang dapat memengaruhi performa instans. Untuk informasi lebih lanjut, lihat dokumen referensi.
TTL	MongoDB_TTLs	ttl_passes_ps	Number of deletions by the background TTL thread	count	Total jumlah kali proses latar belakang TTL memeriksa dokumen yang kedaluwarsa. Setiap kali pemeriksaan dilakukan, monitor TTL mencoba menghapus sebanyak mungkin dokumen kandidat dari semua indeks TTL.
Repl Opcounters	MongoDB_ReplOpcounters	repl_command	Number of Command operations in the replica set	count	Selama proses replikasi, MongoDB melakukan serialisasi operasi, yang dapat memengaruhi jumlah setiap operasi. Oleh karena itu, nilai pencacah MongoDB_ReplOpcounters dan MongoDB_Opcounters mungkin berbeda. Untuk informasi lebih lanjut, lihat Metrik Opcounters dan Metrik Repl Opcounters.
		repl_delete	Number of Delete operations in the replica set	count
		repl_getmore	Number of Getmore operations in the replica set	count
		repl_insert	Number of Insert operations in the replica set	count
		repl_query	Number of Query operations in the replica set	count
		repl_update	Number of Update operations in the replica set	count
Number of eviction scans	MongoDB_WtCacheHPCheckEntriesWalked	wiredTiger_cache_hazardPointerCheckEntriesWalked	Number of items in the hazard pointer array scanned during eviction	count	Jumlah eviksi halaman yang diblokir oleh hazard pointer selama eviksi.
Lock Acquisitions	MongoDB_WtLockAcquisitions	wt_checkPoint_lock	Number of checkpoint lock acquisitions	count	-
		wt_dhandle_read_lock	Number of data handle read lock acquisitions	count	Jika suatu instans memiliki terlalu banyak database dan tabel, permintaan client mungkin perlu menunggu lama untuk lock handle, yang memengaruhi performa instans. Untuk informasi lebih lanjut, lihat Instans tersendat atau abnormal akibat terlalu banyak database dan tabel.
		wt_dhandle_write_lock	Number of data handle write lock acquisitions	count
		wt_metadata_lock	Number of metadata lock acquisitions	count
		wt_schema_lock	Number of schema lock acquisitions	count	Operasi yang sering, seperti membuat dan menghapus database, tabel, atau indeks, atau memiliki jumlah database dan tabel yang berlebihan, dapat meningkatkan overhead schemaLock dan memengaruhi performa instans. Untuk informasi lebih lanjut, lihat Instans tersendat atau abnormal akibat jumlah database dan tabel yang berlebihan.
		wt_table_read_lock	Number of table read lock acquisitions	count	-
		wt_table_write_lock	Number of table write lock acquisitions	count	-
		wt_txn_global_read_lock	Number of transaction global read lock acquisitions	count	-
		wt_txn_global_write_lock	Number of transaction global write lock acquisitions	count	-
MBPS usage rate	MongoDB_MbpsUsage	total_mbps_usage	Disk read/write bandwidth usage rate	%	Rasio throughput disk total instans terhadap MBPS maksimumnya merepresentasikan beban layanan instans. Jika pemanfaatan MBPS instans MongoDB mencapai atau mendekati 100%, hal ini menyebabkan respons layanan lambat atau bahkan layanan tidak tersedia. Untuk informasi lebih lanjut tentang MBPS cloud disk, lihat Spesifikasi. Catatan Hanya didukung untuk instans yang menggunakan cloud disk.	Standalone Replica set Sharded cluster (Shard only)
Primary/secondary latency	MongoDB_Repl_Lag	repl_lag	Data synchronization latency between primary and secondary nodes	s	Interval heartbeat antara node replica set adalah 2 detik. Oleh karena itu, nilai repl_lag antara -2 dan 2 adalah normal untuk instans replica set, serta untuk node shard dan ConfigServer pada instans kluster sharded. Nilai repl_lag node secondary pada instans replica set mungkin bernilai negatif. Hal ini tidak berarti bahwa node secondary mendahului node primary dalam pembaruan data. Untuk mendapatkan status terbaru latensi primary/secondary untuk replica set, jalankan rs.printSecondaryReplicationInfo() pada node primary.	Replica set Sharded cluster (Shard and ConfigServer only)
Oplog retention period	MongoDB_OplogTimeInterval	oplog_time_interval	Oplog retention period	h	Untuk MongoDB 4.4 dan versi setelahnya, Anda dapat menyesuaikan parameter storage.oplogMinRetentionHours di halaman detail instans.	Replica set Sharded cluster (Shard and ConfigServer only)
moveChunk	MongoDB_MoveChunks	moveChunk_donor_started_ps	The number of times the current node acts as a source for range migration	count	Nilai ini meningkat terlepas dari apakah migrasi berhasil atau tidak.	Sharded cluster (Shard only)
		moveChunk_recip_stared_ps	The number of times the current node acts as a destination for range migration	count		Sharded cluster (Shard only)
		moveChunk_deleter_task	Number of chunk range deletion tasks that are ready to run or are running	count	-	Sharded cluster
Number of accesses per second	-	sl_qps	Accesses per second	count	-	Serverless instance
Query executor information	MongoDB_QueryExecutors	collscans_nontailable	Number of full table scans for non-tailable cursors	count	-	Replica set Sharded cluster (excluding Mongos)
Query executor information	MongoDB_QueryExecutors	collscans_total	Total number of full table scans	count	-	Replica set Sharded cluster (excluding Mongos)
Collection and table count information	MongoDB_CollectionNums	admin_user_coll	Number of user tables in the admin database	count	-	Replica set instances of MongoDB 4.2 and earlier Sharded cluster
Number of assertions	MongoDB_Asserts	regular	Normal level	count	Jumlah assertion yang dieksekusi secara normal.	Standalone Replica set Sharded cluster
		warning	Warning level	count	Jumlah assertion tingkat peringatan. Ini selalu mengembalikan 0.
		msg	Message level	count	Jumlah assertion tingkat pesan.
		user	User level	count	Jumlah assertion tingkat pengguna.
Number of data handles	MongoDB_DataHandle	opened_fd_num	Number of active handles	count	Jumlah handle data koneksi aktif saat ini dalam cache WiredTiger.	Standalone Replica set Sharded cluster
		closed_fd_num	Number of closed handles	count	Jumlah handle data koneksi tertutup yang dipindai dalam cache WiredTiger.
		opened_fd_mem	Memory occupied by active handles	MB	Memori yang ditempati oleh handle data koneksi aktif saat ini dalam cache WiredTiger.
Operation latency	MongoDB_Latencys	reads_latency_ps	Latency of successful read requests	us	Latensi semua permintaan berhasil yang diproses oleh operasi baca.	Standalone Replica set Sharded cluster
		writes_latency_ps	Latency of successful write requests	us	Latensi dari seluruh permintaan yang berhasil diproses oleh operasi tulis, dalam mikrodetik (µs).
		commands_latency_ps	Latency of successful command requests	us	Latensi semua permintaan berhasil yang diproses oleh operasi command, dalam mikrodetik (us).
		trans_latency_ps	Latency of successful transaction requests	us	Latensi semua permintaan berhasil yang diproses oleh operasi transaksi, dalam mikrodetik (us).
TCMalloc memory fragmentation ratio	MongoDB_TcmallocCacheMemRatio	tcmalloc_cache_mem_ratio	TCMalloc memory fragmentation ratio	%	-	Standalone Replica set Sharded cluster
Average time for write concern	MongoDB_GetLastErrorWtime	metrics_getLastError_avg_wtime	Average time spent on write concern operations	ms	Rata-rata waktu yang dihabiskan untuk operasi write concern.	Standalone Replica set Sharded cluster (mongod only)
Average time for write concern	MongoDB_GetLastErrorWtime	metrics_getLastError_wtimeouts	Number of write concern operation timeouts	times	Jumlah kali operasi write concern melebihi ambang batas wtimeout.	Standalone Replica set Sharded cluster
Replication buffer size	MongoDB_Repl_Buffer	repl_buffer_size	Current size of the replication buffer	MB	Ukuran buffer replikasi saat ini dalam replica set.	Replica set Sharded cluster
Replication buffer size	MongoDB_Repl_Buffer	repl_buffer_max_size	Maximum size of the replication buffer	MB	Ukuran maksimum buffer replikasi dalam replica set.	Replica set Sharded cluster
Number of evicted pages from WiredTiger cache	MongoDB_WtCacheEviction	pages_selected_count	Number of pages forced for eviction	count	-	Standalone Replica set Sharded cluster
		pages_selected_unable_to_evict_count	Number of pages that cannot be forced for eviction	count	-
		hazard_pointer_blocked_page_eviction	Number of page evictions blocked by hazard pointers	count	-
		max_page_size	Maximum page size encountered during page eviction	MB	-
		pages_evicted_by_application_threads	Number of pages in the WiredTiger cache evicted by user threads	count	-
		history_store_pages_failed_to_evict	History store pages that failed to be evicted	count	-	Replica set Sharded cluster (Shard and ConfigServer only)
		history_store_pages_selected	History store pages selected for eviction	count	-
		pages_written_inMemory_restoration	Number of evicted pages restored in memory	count	-
LockAcquisitions	MongoDB_WtLockAcquisitions	wt_checkPoint_lock	Number of checkpoint lock acquisitions in the WiredTiger cache	count	-	Standalone Replica set Sharded cluster
		wt_dhandle_read_lock	Number of data handle read lock acquisitions in the WiredTiger cache	count	-
		wt_dhandle_write_lock	Number of data handle write lock acquisitions in the WiredTiger cache	count	-
		wt_metadata_lock	Number of metadata lock acquisitions in the WiredTiger cache	count	-
		wt_schema_lock	Number of schema lock acquisitions in the WiredTiger cache	count	-
		wt_table_read_lock	Number of table read lock acquisitions in the WiredTiger cache	count	-
		wt_table_write_lock	Number of table write lock acquisitions in the WiredTiger cache	count	-
		wt_txn_global_read_lock	Number of global read lock acquisitions in the WiredTiger cache	count	-
		wt_txn_global_write_lock	Number of global write lock acquisitions in the WiredTiger cache	count	-
Thread yield	MongoDB_WtCache_Thread_Yield	page_acquire_eviction_blocked	Number of times a thread is blocked waiting for page eviction	times	-	Standalone Replica set Sharded cluster
		page_acquire_locked_blocked	Number of times a thread waits because the target page is locked	times	-
		page_acquire_time_sleeping	Total time a thread is in sleep state while acquiring a page	us	-
WiredTigerUsage	MongoDB_WTCacheUsage	wt_cache_updates_usage	WiredTiger update cache usage rate	%	Rasio jumlah byte memori yang dialokasikan untuk operasi pembaruan terhadap jumlah maksimum byte dalam cache.	Standalone Replica set Sharded cluster
Classic multi-planner execution statistics	MongoDB_MultiPlanner_Worker	metrics_query_multiplanner_classicworks	Total number of jobs	count	Total jumlah pekerjaan yang dieksekusi dalam multi-planner klasik.	Replica set Sharded cluster (mongod only)
Logical session cache information	MongoDB_LogicalSession	active_sessions_count	Number of logical sessions in the cache	count	Total jumlah semua sesi logis dalam cache sejak refresh terakhir.	Replica set Sharded cluster
Page fault information	MongoDB_Page_Faults	page_faults	Number of page fault exceptions	count	-	Standalone Replica set Sharded cluster
Number of operations	MongoDB_Qps	qps	qps	count	-	Standalone Replica set Sharded cluster
MongoDB oplog information	MongoDB_Oplog_Size	oplog_used_size_mb	Current used space of the operation log	MB	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
MongoDB oplog information	MongoDB_Oplog_Size	oplog_max_size_mb	Maximum size of the oplog	MB	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
MongoDB oplog information	MongoDB_Oplog_Size	oplog_min_retention_hours	Minimum oplog retention period	h	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Memory usage	MongoDB_MemCgroup	cgroup_mem_rss	Memory size occupied by the current MongoDB process	MB	-	Standalone Replica set Sharded cluster
Number of WiredTiger files	MongoDB_StorageDetails	wt_file_num	Current number of collections and tables in the instance	count	Number of collections + Number of indexes	Standalone Replica set Sharded cluster
Classic multi-planner execution statistics	MongoDB_MultiPlanner_Works	metrics_query_multiplanner_classicWorks	Number of queries that use the classic planner (classic planner) during query execution	times	-	Replica set Sharded cluster
TCMalloc memory details	MongoDB_TCMalloc	current_allocated	Number of bytes of memory currently in use	MB/s	-	Standalone Replica set Sharded cluster
TCMalloc memory details	MongoDB_TCMalloc	pageheap_free	Number of bytes of memory available and unallocated in the page heap	MB/s	-	Standalone Replica set Sharded cluster
TCMalloc memory details	MongoDB_TCMalloc	central_cache_free	Number of bytes of memory held in the central free list	MB/s	-	Standalone Replica set Sharded cluster
TCMalloc memory details	MongoDB_TCMalloc	thread_cache_free	Number of bytes of unused memory in the thread-local cache	MB/s	-	Standalone Replica set Sharded cluster
WT engine cursor information	MongoDB_Wt_Cursor	entries_skipped_by_next_calls	Number of entries skipped by in-memory scan next calls	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
WT engine cursor information	MongoDB_Wt_Cursor	entries_skipped_by_prev_calls	Number of entries skipped by in-memory scan prev calls	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Network traffic bandwidth utilization	MongoDB_Network_Usage	network_usage	Network traffic bandwidth utilization	%	-	Standalone Replica set Sharded cluster
Native FlowControl information	MongoDB_FlowControl	is_enabled	Indicates whether the FlowControl mechanism is enabled		1 menunjukkan diaktifkan, 0 menunjukkan dinonaktifkan, dan 0,5 menunjukkan tidak didukung.	Replica set Sharded cluster (Shard and ConfigServer only)
Native FlowControl information	MongoDB_FlowControl	is_lagged	Indicates whether FlowControl is currently intervening		1 menunjukkan ya, 0 menunjukkan tidak, dan 0,5 menunjukkan tidak didukung.	Replica set Sharded cluster (Shard and ConfigServer only)
Native FlowControl information	MongoDB_FlowControl	is_lagged_count	Number of FlowControl interventions	times	-	Replica set Sharded cluster (Shard and ConfigServer only)
Native FlowControl information	MongoDB_FlowControl	target_lag_seconds	Tolerable latency for the majority commit point	s	-	Replica set Sharded cluster (Shard and ConfigServer only)
Collection count statistics	MongoDB_CatalogStats	collections	Total number of user collections (excluding system collections)	count	-	Replica set Sharded cluster (Shard and ConfigServer only)
Collection count statistics	MongoDB_CatalogStats	capped	Total number of capped user collections	count	-	Replica set Sharded cluster (Shard and ConfigServer only)
Collection count statistics	MongoDB_CatalogStats	views	Total number of user views	count	-	Replica set Sharded cluster (Shard and ConfigServer only)
Collection Count Statistics	MongoDB_CatalogStats	timeseries	Total number of time series collections	Item	-	ReplicaSet Sharded cluster (supports only Shard and ConfigServer)
Collection count statistics	MongoDB_CatalogStats	shardedCollections	The total number of sharded collections	Count	-	ReplicaSet sharded cluster (supports only shard and Configserver)
Collection count statistics	MongoDB_CatalogStats	internalViews	Total number of views on system collections (collections in the config, admin, or local database)	count	-	Replica set Sharded cluster (Shard and ConfigServer only)
WiredTiger cache capacity	MongoDB_WtCapacity	bytes_written_for_eviction	Size of data written to disk for eviction	MB	-	Replica set Sharded cluster (Shard and ConfigServer only)
Query efficiency	MongoDB_QueryTargeting	query_targeting_objects	Number of documents scanned to return one document	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Query efficiency	MongoDB_QueryTargeting	query_targeting_keys	Number of index entries scanned to return one document	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Command counter	MongoDB_CommandCounters	collStats	Counter for the collStats command	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Command counter	MongoDB_CommandCounters	createIndexes	Counter for the createIndexes command	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Command counter	MongoDB_CommandCounters	listCollections	Counter for the listCollections command	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Command counter	MongoDB_CommandCounters	listDatabases	Counter for the listDatabases command	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Query planCache information	MongoDB_QueryPlanCache	total_size_mb	Memory size occupied by the query plan cache (planCache)	MB	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Query planCache information	MongoDB_QueryPlanCache	total_query_shapes	Number of different query shapes in the query plan cache (planCache)	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Number of indexed fields on a search node	MongoDB_Search_Field_Indexed	search_field_index_count	Total number of unique fields included in each index of the search node	count	-	Replica set (search node)
Heap memory usage of a search node	MongoDB_Search_Jvm_heap_memory	search_jvm_heap_memory	JVM heap memory size occupied by the search node	MB	-	Replica set (search node)
Number of operations on a search node	MongoDB_Search_Opcounters	search_insert	Number of insert operations on the search node	times	-	Replica set (search node)
Number of operations on a search node	MongoDB_Search_Opcounters	search_delete	Number of delete operations on the search node	times	-	Replica set (search node)
Number of operations on a search node	MongoDB_Search_Opcounters	search_update	Number of update operations on the search node	times	-	Replica set (search node)
Number of operations on a search node	MongoDB_Search_Opcounters	search_Command	Number of command operations on the search node	times	-	Replica set (search node)
Disk space occupied by search node indexes	MongoDB_Search_Disk_Index_Size	search_disk_index_size	Disk space occupied by all indexes on the search node	MB	-	Replica set (search node)
Search node Lucene document information	MongoDB_Search_Lucene_Docs_Max_Size	search_lucene_docs_max_size	Maximum number of Lucene documents contained in a single search index on the search node	count	-	Replica set (search node)
Synchronization latency of a search node	MongoDB_Search_Repl_Lag	search_repl_lag	Synchronization latency of a search node	ms	-	Replica set (search node)
Number of page fault exceptions on a search node	MongoDB_Search_PageFaults	search_pageFaults	Number of page fault exceptions per second on the search node	times	-	Replica set (search node)
Search node query status analysis	MongoDB_Search_Query_Status	search_query_total	Total number of queries on the search node	times	-	Replica set (search node)
Search node query status analysis	MongoDB_Search_Query_Status	search_query_failed	Number of failed queries on the search node	times	-	Replica set (search node)
Search node query status analysis	MongoDB_Search_Query_Status	search_query_successed	Number of successful queries on the search node	times	-	Replica set (search node)

Pemantauan node (sebelumnya Pemantauan Dasar)

Catatan

Metrik yang didukung bervariasi tergantung pada tipe instans. Untuk informasi akurat, lihat Konsol.

Metrik	Kunci	Nama metrik	Makna metrik	Unit	Deskripsi detail	Tipe instans yang didukung
Disk usage	DiskUsage	disk_usage	Disk usage	%	Metrik ini menunjukkan beban disk suatu instans, yaitu persentase kapasitas disk total yang digunakan. Ketika penggunaan disk mencapai 80% atau lebih, Anda dapat mengubah konfigurasi instans di halaman detail instans di Konsol atau merujuk ke Penggunaan Disk Tinggi pada Instans MongoDB untuk mengatasi masalah tersebut.	Standalone Replica set Sharded cluster Serverless
Network traffic	MongoDB_Network	bytes_in	Inbound network traffic	Bytes	-
		bytes_out	Outbound network traffic	Bytes	-
		num_requests	Number of requests processed	count	-
Operation QPS	MongoDB_Opcounters	insert	Insert operation QPS	count	Parameter `MongoDB_Opcounters` mencakup semua operasi yang diterima oleh instans, terlepas dari apakah operasi tersebut berhasil dieksekusi atau tidak. Parameter ini mencatat operasi batch bertipe Bulk.insert() sebagai satu operasi. Untuk catatan yang lebih detail, Anda dapat merujuk ke metrik `MongoDB_Documents`. Untuk informasi lebih lanjut, lihat Metrik Opcounters dan Metrik Repl Opcounters.
		query	Query operation QPS	count
		update	Update operation QPS	count
		delete	Delete operation QPS	count
		getmore	Read operation QPS	count
		command	Protocol command operation QPS	count
Connections	MongoDB_TotalConns	connections_active	Current active connections	count	Jumlah koneksi client ke server yang saat ini sedang melakukan operasi.
		current_conn	Current connections	count	Total jumlah koneksi client ke server. Ini mencakup koneksi yang dibuat oleh node lain dalam replica set atau koneksi antara Mongos dan node shard.
		connections_totalCreated_ps	Total new connections per second	count	-	Standalone Replica set Sharded cluster
		connections_available	Current available connections	count	-
Connection usage	ConnectionUsage	conn_usage	Connection usage	%	Rasio jumlah koneksi saat ini terhadap jumlah maksimum koneksi. Metrik ini menunjukkan beban koneksi instans. Jumlah maksimum koneksi bervariasi tergantung pada tipe instans MongoDB Anda. Untuk informasi lebih lanjut, lihat Spesifikasi. Anda dapat mengubah konfigurasi instans di halaman detail instans di Konsol untuk meningkatkan batas koneksi, atau merujuk ke Cara Menanyakan dan Membatasi Jumlah Koneksi untuk menyesuaikan jumlah koneksi di sisi client Anda.
CPU usage	CpuUsage	cpu_usage	CPU usage	%	Jumlah pemanfaatan CPU sistem dan pemanfaatan CPU pengguna merepresentasikan beban layanan instans. Pemanfaatan CPU tinggi dapat menyebabkan operasi baca dan tulis data menjadi sangat lambat dan memengaruhi layanan normal. Untuk mendiagnosis dan mengatasi masalah ini, lihat Pemanfaatan CPU Tinggi pada Instans MongoDB.
	MongoDB_CpuDetail	cpu_sys	System CPU usage	%	-
	MongoDB_CpuDetail	cpu_user	User CPU usage	%	-
Memory usage	MemoryUsage	mem_usage	Memory usage	%	Memori terutama dikonsumsi oleh mesin penyimpanan WiredTiger, koneksi client, dan pemrosesan permintaan. Untuk memahami penyebab penggunaan memori tinggi dan strategi optimasi, lihat Penggunaan Memori Tinggi pada Instans MongoDB.
IOPS usage	MongoDB_IOPS	iops	IOPS usage	times/s	Instans replica set dan instans kluster sharded yang menggunakan cloud disk dan menjalankan MongoDB 4.2 tidak mendukung penampilan penggunaan IOPS dan laju penggunaan IOPS. Metrik data_iops dan log_iops pada versi pemantauan sebelumnya telah digabung menjadi iops.
		read_iops	Read IOPS usage	times/s	-
		write_iops	Write IOPS usage	times/s	-
IOPS usage rate	IOPSUsage	iops_usage	IOPS usage rate	%	Rasio penggunaan IOPS instans terhadap IOPS maksimum spesifikasi saat ini menunjukkan beban layanan instans. Jika penggunaan IOPS instans MongoDB mencapai atau mendekati 100%, instans mungkin merespons dengan lambat bahkan menjadi tidak tersedia. Penggunaan IOPS Tinggi pada Instans MongoDB menjelaskan cara melihat penggunaan IOPS instans MongoDB, penyebab penggunaan IOPS tinggi, dan strategi optimasi. Catatan Instans replica set dan instans kluster sharded yang menggunakan cloud disk dan menjalankan MongoDB 4.2 tidak mendukung penampilan penggunaan IOPS dan laju penggunaan IOPS.
Disk space usage	MongoDB_DetailedSpaceUsage	ins_size	Used disk space	Bytes	Untuk instans yang menggunakan disk lokal, ruang disk yang digunakan adalah jumlah ruang yang digunakan pada disk data dan disk log. Untuk instans yang menggunakan cloud disk, ruang disk yang digunakan juga mencakup ruang yang ditempati oleh metadata sistem file.
		data_size	Used data disk space	Bytes	Ruang yang digunakan oleh disk data (tidak termasuk database lokal). Ini terutama mencakup file data fisik yang dimulai dengan "collection", file indeks fisik yang dimulai dengan "index", dan beberapa file metadata fisik, seperti WiredTiger.wt.
		log_size	Used log disk space	Bytes	Ukuran fisik database lokal.
Operation details	MongoDB_OperationDetails	operation_exactIDCount_ps	Number of count operations for a specific ID	count	Jumlah operasi pembaruan tunggal yang menggunakan bidang `_id` alih-alih kunci shard pada koleksi sharded. Pada versi saat ini, jenis operasi ini menyebabkan traversal semua chunk dalam instans. Jika jumlah chunk besar, hal ini dapat memaksimalkan CPU dan memengaruhi performa instans.
		operation_scanAndOrder_ps	Number of sorting operations that do not use an index	count	Jumlah kueri terurut yang tidak dapat menggunakan indeks untuk melakukan operasi pengurutan. Nilai tinggi dapat menurunkan performa instans. Untuk mengatasi masalah ini, rujuk ke Praktik terbaik membuat indeks di ApsaraDB for MongoDB dan buat indeks berdasarkan kondisi kueri bisnis Anda.
		operation_writeConflicts_ps	Number of write conflicts	count	Jumlah kueri yang mengalami konflik tulis. Sejumlah kecil konflik tulis biasanya tidak berdampak signifikan. Namun, banyak konflik tulis dapat menurunkan performa database.
MBPS	MongoDB_Disk_Detail	read_io_bandwidth_mbps	Disk read throughput	MB/s	-
		write_io_bandwidth_mbps	Disk write throughput	MB/s	-
		io_bandwidth_mbps	Total disk throughput	MB/s	Jumlah throughput baca disk dan throughput tulis disk.
Number of transaction operations	MongoDB_Transactions	trans_totalPrepared_ps	Number of prepared transactions	count	-	Replica set Sharded cluster (Shard only)
		trans_totalPreparedThenCommited_ps	Number of prepared transactions that were successfully committed	count	-
		trans_totalPreparedThenAborted_ps	Number of prepared transactions that were successfully rolled back	count	-
		trans_totalStarted_ps	Number of started transactions	count	-	Standalone Replica set Sharded cluster
		trans_totalCommited_ps	Number of successfully committed transactions	count	-
		trans_totalAborted_ps	Number of successfully rolled back transactions	count	-
		trans_currentActive	Number of current active transactions	count	-
		trans_currentInactive	Number of current inactive transactions	count	-
		trans_currentOpen	Number of current open transactions (not committed or aborted)	count	-
Cursors	MongoDB_AllCursors	total_open	Number of currently open cursors	count	-
		timed_out	Number of cursors closed due to timeout	count	Jika nilai ini besar, periksa kode bisnis sisi client yang memproses data.
		job_cursors_closed	Number of cursors closed due to session shutdown	count	-
		pinned_open	Number of currently open and in-use cursors	count	Misalnya, operasi find atau getMore mem-pinned cursor untuk mencegahnya dihapus saat mengambil batch hasil berikutnya, dan melepas pinned cursor setelah mengembalikan hasil.
		noTimeout_open	Number of currently open and non-timed-out cursors	count	Jumlah cursor terbuka tanpa timeout yang dibuat dengan opsi noCursorTimeout. Opsi ini mencegah cursor timeout karena tidak aktif, tetapi pengaturan noCursorTimeout dibatasi oleh timeout sesi. Untuk informasi lebih lanjut, lihat dokumen.	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
WiredTiger	MongoDB_Wt_Cache	bytes_read_into_cache	Bytes read into cache	Bytes	Jumlah byte data yang dibaca dari disk ke cache WiredTiger.
		bytes_written_from_cache	Bytes written from cache	Bytes	Jumlah byte data yang ditulis dari cache WiredTiger ke disk.
		maximum_bytes_configured	Maximum cache size	Bytes	Ukuran cache maksimum dalam byte yang dikonfigurasi untuk mesin penyimpanan WiredTiger. Untuk memastikan kompatibilitas dan keamanan, ApsaraDB for MongoDB mengatur CacheSize untuk WiredTiger sekitar 60% dari ukuran memori instans. Untuk informasi lebih lanjut, lihat Penggunaan Memori Tinggi pada Instans MongoDB.
		oplog_bytes_in_cache	Oplog bytes in cache	MB	-
		oplog_bytes_read_into_cache	Oplog bytes read into cache	MB	-
		oplog_bytes_written_from_cache	Oplog bytes written from cache	MB	-
WT concurrent transactions	MongoDB_Wt_Concurrent_Trans	write_concurrent_trans_out	Current concurrent write transactions	count	Sebelum versi 7.0, jumlah transaksi baca dan tulis konkuren untuk suatu instans dibatasi hingga 128, dan parameter ketersediaan bernilai 0 dalam periode panjang dapat mengindikasikan overload. Mulai versi 7.0, MongoDB menggunakan algoritma default untuk menyesuaikan secara dinamis jumlah maksimum transaksi mesin penyimpanan konkuren guna mengoptimalkan throughput database selama overload. Akibatnya, parameter ketersediaan bernilai 0 dalam periode panjang tidak selalu mengindikasikan overload. Untuk informasi lebih lanjut, lihat dokumen.
		write_concurrent_trans_available	Available concurrent write transactions	count
		read_concurrent_trans_out	Current concurrent read transactions	count
		read_concurrent_trans_available	Available concurrent read transactions	count
WiredTigerUsage	MongoDB_WTCacheUsage	wt_cache_dirty_usage	WiredTiger dirty cache usage rate	%	Untuk informasi lebih lanjut, lihat Penggunaan Memori Tinggi pada Instans MongoDB.
WiredTigerUsage	MongoDB_WTCacheUsage	wt_cache_usage	WiredTiger cache usage rate	%
Average response time	MongoDB_RT	avg_rt	Total average response time	μs	-
		reads_avg_rt	Average response time for read operations	μs	-
		writes_avg_rt	Average response time for write operations	μs	-
		commands_avg_rt	Average response time for command operations	μs	-
		trans_avg_rt	Average response time for transaction operations	μs	-
Number of affected documents	MongoDB_Documents	document_deleted_ps	Number of deleted documents	count	-
		document_inserted_ps	Number of inserted documents	count	-
		document_returned_ps	Number of returned documents	count	-
		document_updated_ps	Number of updated documents	count	-
GlobalLock	MongoDB_GlobalLocks	gl_ac_readers	Number of active client connections performing read operations	count	-
		gl_ac_writers	Number of active client connections performing write operations	count	-
		gl_cq_writers	Number of operations waiting for a write lock	count	-
		gl_cq_readers	Number of operations waiting for a read lock	count	-
		gl_cq_total	Total number of operations waiting for a lock	count	Jumlah operasi yang menunggu lock tulis dan jumlah operasi yang menunggu lock baca. Nilai besar menunjukkan bahwa operasi client mungkin tertunda, yang dapat memengaruhi waktu respons aplikasi.
Number of scanned index entries and documents in queries	MongoDB_QueryExecutors	queryExecutor_scannedObject_ps	Number of documents scanned in queries	count	Total jumlah dokumen yang dipindai selama eksekusi kueri dan evaluasi rencana kueri. Ini sama dengan `totalDocsExamined` dalam output `explain()`. Nilai besar menunjukkan bahwa database perlu memindai banyak entri non-indeks. Kami menyarankan membuat indeks untuk bidang yang sering dipindai.
Number of scanned index entries and documents in queries	MongoDB_QueryExecutors	queryExecutor_scanned_ps	Number of index entries scanned in queries	count	Total jumlah entri indeks yang dipindai selama eksekusi kueri dan evaluasi rencana kueri. Ini sama dengan `explain()` dalam output `totalKeysExamined`. Jika nilai ini besar tetapi jumlah dokumen yang dikembalikan kecil, ini menunjukkan bahwa database memindai banyak kunci indeks untuk mendapatkan dokumen hasil. Hal ini menunjukkan bahwa indeks tidak efisien. Sesuaikan indeks atau buat indeks lain.
TTL	MongoDB_TTLs	ttl_deletedDocuments_ps	Number of documents deleted due to TTL index	count	Nilai tinggi menunjukkan bahwa banyak dokumen sedang dihapus, yang dapat memengaruhi performa instans. Untuk informasi lebih lanjut, lihat dokumen referensi.
TTL	MongoDB_TTLs	ttl_passes_ps	Number of deletions by the background TTL thread	count	Total jumlah kali proses latar belakang TTL memeriksa dokumen yang kedaluwarsa. Setiap kali pemeriksaan dilakukan, monitor TTL mencoba menghapus sebanyak mungkin dokumen kandidat dari semua indeks TTL.
Repl Opcounters	MongoDB_ReplOpcounters	repl_command	Number of Command operations in the replica set	count	Selama proses replikasi, MongoDB melakukan serialisasi operasi, yang dapat memengaruhi jumlah setiap operasi. Oleh karena itu, nilai pencacah MongoDB_ReplOpcounters dan MongoDB_Opcounters mungkin berbeda. Untuk informasi lebih lanjut, lihat Metrik Opcounters dan Metrik Repl Opcounters.
		repl_delete	Number of Delete operations in the replica set	count
		repl_getmore	Number of Getmore operations in the replica set	count
		repl_insert	Number of Insert operations in the replica set	count
		repl_query	Number of Query operations in the replica set	count
		repl_update	Number of Update operations in the replica set	count
Number of eviction scans	MongoDB_WtCacheHPCheckEntriesWalked	wiredTiger_cache_hazardPointerCheckEntriesWalked	Number of items in the hazard pointer array scanned during eviction	count	Jumlah eviksi halaman yang diblokir oleh hazard pointer selama eviksi.
Lock Acquisitions	MongoDB_WtLockAcquisitions	wt_checkPoint_lock	Number of checkpoint lock acquisitions	count	-
		wt_dhandle_read_lock	Number of data handle read lock acquisitions	count	Jika suatu instans memiliki terlalu banyak database dan tabel, permintaan client mungkin perlu menunggu lama untuk lock handle, yang memengaruhi performa instans. Untuk informasi lebih lanjut, lihat Instans tersendat atau abnormal akibat terlalu banyak database dan tabel.
		wt_dhandle_write_lock	Number of data handle write lock acquisitions	count
		wt_metadata_lock	Number of metadata lock acquisitions	count
		wt_schema_lock	Number of schema lock acquisitions	count	Operasi yang sering, seperti membuat dan menghapus database, tabel, atau indeks, atau memiliki jumlah database dan tabel yang berlebihan, dapat meningkatkan overhead schemaLock dan memengaruhi performa instans. Untuk informasi lebih lanjut, lihat Instans tersendat atau abnormal akibat jumlah database dan tabel yang berlebihan.
		wt_table_read_lock	Number of table read lock acquisitions	count	-
		wt_table_write_lock	Number of table write lock acquisitions	count	-
		wt_txn_global_read_lock	Number of transaction global read lock acquisitions	count	-
		wt_txn_global_write_lock	Number of transaction global write lock acquisitions	count	-
MBPS usage rate	MongoDB_MbpsUsage	total_mbps_usage	Disk read/write bandwidth usage rate	%	Rasio throughput disk total instans terhadap MBPS maksimumnya merepresentasikan beban layanan instans. Jika pemanfaatan MBPS instans MongoDB mencapai atau mendekati 100%, hal ini menyebabkan respons layanan lambat atau bahkan layanan tidak tersedia. Untuk informasi lebih lanjut tentang MBPS cloud disk, lihat Spesifikasi. Catatan Hanya didukung untuk instans yang menggunakan cloud disk.	Standalone Replica set Sharded cluster (Shard only)
Primary/secondary latency	MongoDB_Repl_Lag	repl_lag	Data synchronization latency between primary and secondary nodes	s	Interval heartbeat antara node replica set adalah 2 detik. Oleh karena itu, nilai repl_lag antara -2 dan 2 adalah normal untuk instans replica set, serta untuk node shard dan ConfigServer pada instans kluster sharded. Nilai repl_lag node secondary pada instans replica set mungkin bernilai negatif. Hal ini tidak berarti bahwa node secondary mendahului node primary dalam pembaruan data. Untuk mendapatkan status terbaru latensi primary/secondary untuk replica set, jalankan rs.printSecondaryReplicationInfo() pada node primary.	Replica set Sharded cluster (Shard and ConfigServer only)
Oplog retention period	MongoDB_OplogTimeInterval	oplog_time_interval	Oplog retention period	h	Untuk MongoDB 4.4 dan versi setelahnya, Anda dapat menyesuaikan parameter storage.oplogMinRetentionHours di halaman detail instans.	Replica set Sharded cluster (Shard and ConfigServer only)
moveChunk	MongoDB_MoveChunks	moveChunk_donor_started_ps	The number of times the current node acts as a source for range migration	count	Nilai ini meningkat terlepas dari apakah migrasi berhasil atau tidak.	Sharded cluster (Shard only)
		moveChunk_recip_stared_ps	The number of times the current node acts as a destination for range migration	count		Sharded cluster (Shard only)
		moveChunk_deleter_task	Number of chunk range deletion tasks that are ready to run or are running	count	-	Sharded cluster
Number of accesses per second	-	sl_qps	Accesses per second	count	-	Serverless instance
Query executor information	MongoDB_QueryExecutors	collscans_nontailable	Number of full table scans for non-tailable cursors	count	-	Replica set Sharded cluster (excluding Mongos)
Query executor information	MongoDB_QueryExecutors	collscans_total	Total number of full table scans	count	-	Replica set Sharded cluster (excluding Mongos)
Collection and table count information	MongoDB_CollectionNums	admin_user_coll	Number of user tables in the admin database	count	-	Replica set instances of MongoDB 4.2 and earlier Sharded cluster
Number of assertions	MongoDB_Asserts	regular	Normal level	count	Jumlah assertion yang dieksekusi secara normal.	Standalone Replica set Sharded cluster
		warning	Warning level	count	Jumlah assertion tingkat peringatan. Ini selalu mengembalikan 0.
		msg	Message level	count	Jumlah assertion tingkat pesan.
		user	User level	count	Jumlah assertion tingkat pengguna.
Number of data handles	MongoDB_DataHandle	opened_fd_num	Number of active handles	count	Jumlah handle data koneksi aktif saat ini dalam cache WiredTiger.	Standalone Replica set Sharded cluster
		closed_fd_num	Number of closed handles	count	Jumlah handle data koneksi tertutup yang dipindai dalam cache WiredTiger.
		opened_fd_mem	Memory occupied by active handles	MB	Memori yang ditempati oleh handle data koneksi aktif saat ini dalam cache WiredTiger.
Operation latency	MongoDB_Latencys	reads_latency_ps	Latency of successful read requests	us	Latensi semua permintaan berhasil yang diproses oleh operasi baca.	Standalone Replica set Sharded cluster
		writes_latency_ps	Latency of successful write requests	us	Latensi semua permintaan berhasil yang diproses oleh operasi tulis, dalam mikrodetik (us).
		commands_latency_ps	Latency of successful command requests	us	Latensi semua permintaan berhasil yang diproses oleh operasi command, dalam mikrodetik (us).
		trans_latency_ps	Latency of successful transaction requests	us	Latensi semua permintaan berhasil yang diproses oleh operasi transaksi, dalam mikrodetik (us).
TCMalloc memory fragmentation ratio	MongoDB_TcmallocCacheMemRatio	tcmalloc_cache_mem_ratio	TCMalloc memory fragmentation ratio	%	-	Standalone Replica set Sharded cluster
Average time for write concern	MongoDB_GetLastErrorWtime	metrics_getLastError_avg_wtime	Average time spent on write concern operations	ms	Rata-rata waktu yang dihabiskan untuk operasi write concern.	Standalone Replica set Sharded cluster (mongod only)
Average time for write concern	MongoDB_GetLastErrorWtime	metrics_getLastError_wtimeouts	Number of write concern operation timeouts	times	Jumlah kali operasi write concern melebihi ambang batas wtimeout.	Standalone Replica set Sharded cluster
Replication buffer size	MongoDB_Repl_Buffer	repl_buffer_size	Current size of the replication buffer	MB	Ukuran buffer replikasi saat ini dalam replica set.	Replica set Sharded cluster
Replication buffer size	MongoDB_Repl_Buffer	repl_buffer_max_size	Maximum size of the replication buffer	MB	Ukuran maksimum buffer replikasi dalam replica set.	Replica set Sharded cluster
Number of evicted pages from WiredTiger cache	MongoDB_WtCacheEviction	pages_selected_count	Number of pages forced for eviction	count	-	Standalone Replica set Sharded cluster
		pages_selected_unable_to_evict_count	Number of pages that cannot be forced for eviction	count	-
		hazard_pointer_blocked_page_eviction	Number of page evictions blocked by hazard pointers	count	-
		max_page_size	Maximum page size encountered during page eviction	MB	-
		pages_evicted_by_application_threads	Number of pages in the WiredTiger cache evicted by user threads	count	-
		history_store_pages_failed_to_evict	History store pages that failed to be evicted	count	-	Replica set Sharded cluster (Shard and ConfigServer only)
		history_store_pages_selected	History store pages selected for eviction	count	-
		pages_written_inMemory_restoration	Number of evicted pages restored in memory	count	-
LockAcquisitions	MongoDB_WtLockAcquisitions	wt_checkPoint_lock	Number of checkpoint lock acquisitions in the WiredTiger cache	count	-	Standalone Replica set Sharded cluster
		wt_dhandle_read_lock	Number of data handle read lock acquisitions in the WiredTiger cache	count	-
		wt_dhandle_write_lock	Number of data handle write lock acquisitions in the WiredTiger cache	count	-
		wt_metadata_lock	Number of metadata lock acquisitions in the WiredTiger cache	count	-
		wt_schema_lock	Number of schema lock acquisitions in the WiredTiger cache	count	-
		wt_table_read_lock	Number of table read lock acquisitions in the WiredTiger cache	count	-
		wt_table_write_lock	Number of table write lock acquisitions in the WiredTiger cache	count	-
		wt_txn_global_read_lock	Number of global read lock acquisitions in the WiredTiger cache	count	-
		wt_txn_global_write_lock	Number of global write lock acquisitions in the WiredTiger cache	count	-
Thread yield	MongoDB_WtCache_Thread_Yield	page_acquire_eviction_blocked	Number of times a thread is blocked waiting for page eviction	times	-	Standalone Replica set Sharded cluster
		page_acquire_locked_blocked	Number of times a thread waits because the target page is locked	times	-
		page_acquire_time_sleeping	Total time a thread is in sleep state while acquiring a page	us	-
WiredTigerUsage	MongoDB_WTCacheUsage	wt_cache_updates_usage	WiredTiger update cache usage rate	%	Rasio jumlah byte memori yang dialokasikan untuk operasi pembaruan terhadap jumlah maksimum byte dalam cache.	Standalone Replica set Sharded cluster
Classic multi-planner execution statistics	MongoDB_MultiPlanner_Worker	metrics_query_multiplanner_classicworks	Total number of jobs	count	Total jumlah pekerjaan yang dieksekusi dalam multi-planner klasik.	Replica set Sharded cluster (mongod only)
Logical session cache information	MongoDB_LogicalSession	active_sessions_count	Number of logical sessions in the cache	count	Total jumlah semua sesi logis dalam cache sejak refresh terakhir.	Replica set Sharded cluster
Page fault information	MongoDB_Page_Faults	page_faults	Number of page fault exceptions	count	-	Standalone Replica set Sharded cluster
Number of operations	MongoDB_Qps	qps	qps	count	-	Standalone Replica set Sharded cluster
MongoDB oplog information	MongoDB_Oplog_Size	oplog_used_size_mb	Current used space of the operation log	MB	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
MongoDB oplog information	MongoDB_Oplog_Size	oplog_max_size_mb	Maximum size of the oplog	MB	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
MongoDB oplog information	MongoDB_Oplog_Size	oplog_min_retention_hours	Minimum oplog retention period	h	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Memory usage	MongoDB_MemCgroup	cgroup_mem_rss	Memory size occupied by the current MongoDB process	MB	-	Standalone Replica set Sharded cluster
Number of WiredTiger files	MongoDB_StorageDetails	wt_file_num	Current number of collections and tables in the instance	count	Number of collections + Number of indexes	Standalone Replica set Sharded cluster
Classic multi-planner execution statistics	MongoDB_MultiPlanner_Works	metrics_query_multiplanner_classicWorks	Number of queries that use the classic planner (classic planner) during query execution	times	-	Replica set Sharded cluster
TCMalloc memory details	MongoDB_TCMalloc	current_allocated	Number of bytes of memory currently in use	MB/s	-	Standalone Replica set Sharded cluster
TCMalloc memory details	MongoDB_TCMalloc	pageheap_free	Number of bytes of memory available and unallocated in the page heap	MB/s	-	Standalone Replica set Sharded cluster
TCMalloc memory details	MongoDB_TCMalloc	central_cache_free	Number of bytes of memory held in the central free list	MB/s	-	Standalone Replica set Sharded cluster
TCMalloc memory details	MongoDB_TCMalloc	thread_cache_free	Number of bytes of unused memory in the thread-local cache	MB/s	-	Standalone Replica set Sharded cluster
WT engine cursor information	MongoDB_Wt_Cursor	entries_skipped_by_next_calls	Number of entries skipped by in-memory scan next calls	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
WT engine cursor information	MongoDB_Wt_Cursor	entries_skipped_by_prev_calls	Number of entries skipped by in-memory scan prev calls	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Network traffic bandwidth utilization	MongoDB_Network_Usage	network_usage	Network traffic bandwidth utilization	%	-	Standalone Replica set Sharded cluster
Native FlowControl information	MongoDB_FlowControl	is_enabled	Indicates whether the FlowControl mechanism is enabled		1 menunjukkan diaktifkan, 0 menunjukkan dinonaktifkan, dan 0,5 menunjukkan tidak didukung.	Replica set Sharded cluster (Shard and ConfigServer only)
Native FlowControl information	MongoDB_FlowControl	is_lagged	Indicates whether FlowControl is currently intervening		1 menunjukkan ya, 0 menunjukkan tidak, dan 0,5 menunjukkan tidak didukung.	Replica set Sharded cluster (Shard and ConfigServer only)
Native FlowControl information	MongoDB_FlowControl	is_lagged_count	Number of FlowControl interventions	times	-	Replica set Sharded cluster (Shard and ConfigServer only)
Native FlowControl information	MongoDB_FlowControl	target_lag_seconds	Tolerable latency for the majority commit point	s	-	Replica set Sharded cluster (Shard and ConfigServer only)
Collection count statistics	MongoDB_CatalogStats	collections	Total number of user collections (excluding system collections)	count	-	Replica set Sharded cluster (Shard and ConfigServer only)
Collection count statistics	MongoDB_CatalogStats	capped	Total number of capped user collections	count	-	Replica set Sharded cluster (Shard and ConfigServer only)
Collection count statistics	MongoDB_CatalogStats	views	Total number of user views	count	-	Replica set Sharded cluster (Shard and ConfigServer only)
Collection Count Statistics	MongoDB_CatalogStats	timeseries	Total number of time series collections	Item	-	ReplicaSet Sharded cluster (supports only Shard and ConfigServer)
Collection count statistics	MongoDB_CatalogStats	shardedCollections	The total number of sharded collections	Count	-	ReplicaSet sharded cluster (supports only shard and Configserver)
Collection count statistics	MongoDB_CatalogStats	internalViews	Total number of views on system collections (collections in the config, admin, or local database)	count	-	Replica set Sharded cluster (Shard and ConfigServer only)
WiredTiger cache capacity	MongoDB_WtCapacity	bytes_written_for_eviction	Size of data written to disk for eviction	MB	-	Replica set Sharded cluster (Shard and ConfigServer only)
Query efficiency	MongoDB_QueryTargeting	query_targeting_objects	Number of documents scanned to return one document	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Query efficiency	MongoDB_QueryTargeting	query_targeting_keys	Number of index entries scanned to return one document	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Command counter	MongoDB_CommandCounters	collStats	Counter for the collStats command	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Command counter	MongoDB_CommandCounters	createIndexes	Counter for the createIndexes command	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Command counter	MongoDB_CommandCounters	listCollections	Counter for the listCollections command	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Command counter	MongoDB_CommandCounters	listDatabases	Counter for the listDatabases command	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Query planCache information	MongoDB_QueryPlanCache	total_size_mb	Memory size occupied by the query plan cache (planCache)	MB	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Query planCache information	MongoDB_QueryPlanCache	total_query_shapes	Number of different query shapes in the query plan cache (planCache)	count	-	Standalone Replica set Sharded cluster (Shard and ConfigServer only)
Number of indexed fields on a search node	MongoDB_Search_Field_Indexed	search_field_index_count	Total number of unique fields included in each index of the search node	count	-	Replica set (search node)
Heap memory usage of a search node	MongoDB_Search_Jvm_heap_memory	search_jvm_heap_memory	JVM heap memory size occupied by the search node	MB	-	Replica set (search node)
Number of operations on a search node	MongoDB_Search_Opcounters	search_insert	Number of insert operations on the search node	times	-	Replica set (search node)
Number of operations on a search node	MongoDB_Search_Opcounters	search_delete	Number of delete operations on the search node	times	-	Replica set (search node)
Number of operations on a search node	MongoDB_Search_Opcounters	search_update	Number of update operations on the search node	times	-	Replica set (search node)
Number of operations on a search node	MongoDB_Search_Opcounters	search_Command	Number of command operations on the search node	times	-	Replica set (search node)
Disk space occupied by search node indexes	MongoDB_Search_Disk_Index_Size	search_disk_index_size	Disk space occupied by all indexes on the search node	MB	-	Replica set (search node)
Search node Lucene document information	MongoDB_Search_Lucene_Docs_Max_Size	search_lucene_docs_max_size	Maximum number of Lucene documents contained in a single search index on the search node	count	-	Replica set (search node)
Synchronization latency of a search node	MongoDB_Search_Repl_Lag	search_repl_lag	Synchronization latency of a search node	ms	-	Replica set (search node)
Number of page fault exceptions on a search node	MongoDB_Search_PageFaults	search_pageFaults	Number of page fault exceptions per second on the search node	times	-	Replica set (search node)
Search node query status analysis	MongoDB_Search_Query_Status	search_query_total	Total number of queries on the search node	times	-	Replica set (search node)
Search node query status analysis	MongoDB_Search_Query_Status	search_query_failed	Number of failed queries on the search node	times	-	Replica set (search node)
Search node query status analysis	MongoDB_Search_Query_Status	search_query_successed	Number of successful queries on the search node	times	-	Replica set (search node)

Tren performa

Catatan

Metrik yang didukung bervariasi tergantung pada tipe instans. Untuk informasi akurat, lihat Konsol.

Instans yang didukung	Metrik	Metrik dan deskripsi
Instans Standalone Instans replica set Instans kluster sharded	CPU usage	mongodb.cpu_usage: Penggunaan CPU instans.
	Memory usage	mongodb.mem_usage: Penggunaan memori instans.
	Disk space usage	Tren performa ruang disk instans, termasuk: mongodb.detailed_space_usage.ins_size: Total ruang yang digunakan. mongodb.detailed_space_usage.data_size: Ruang disk data yang digunakan. mongodb.detailed_space_usage.log_size: Ruang disk log yang digunakan.
	cursors	Tren performa jumlah cursor instans, termasuk: mongodb.metrics.cursor.timedOut: Jumlah timeout cursor. mongodb.metrics.cursor.open.total: Jumlah cursor yang sedang terbuka.
	WiredTiger request queue	Tren performa jumlah permintaan baca/tulis dan jumlah operasi konkuren yang tersedia, termasuk: mongodb.wiredTiger.write_concurrent_trans_out: Jumlah permintaan tulis konkuren. mongodb.wiredTiger.read_concurrent_trans_out: Jumlah permintaan baca konkuren. mongodb.wiredTiger.write_concurrent_trans_available: Jumlah operasi tulis konkuren yang tersedia. mongodb.wiredTiger.read_concurrent_trans_available: Jumlah operasi baca konkuren yang tersedia. Catatan Hanya didukung untuk instans replica set Edisi Standar.
	WiredTiger	Tren performa metrik lapisan cache mesin WiredTiger instans, termasuk: mongodb.wiredTiger.cache.pages.read.into.cache: Jumlah data yang dibaca ke cache. mongodb.wiredTiger.cache.pages.written.from.cache: Jumlah data yang ditulis dari cache. mongodb.wiredTiger.cache.maximum.bytes.configured: Ukuran cache maksimum. Catatan Hanya didukung untuk instans replica set Edisi Standar.
Instans Standalone Instans replica set Instans kluster sharded Instans Serverless	Disk usage	mongodb.disk_usage: Penggunaan disk MongoDB.
	Operation QPS	Tren performa QPS operasi instans, termasuk: mongodb.opcounters.insert: Jumlah operasi insert. mongodb.opcounters.query: Jumlah operasi query. mongodb.opcounters.update: Jumlah operasi update. mongodb.opcounters.delete: Jumlah operasi delete. mongodb.opcounters.getmore: Jumlah operasi baca. mongodb.opcounters.command: Jumlah operasi command protokol.
	Connections	mongodb.connections.current: Total koneksi saat ini pada instans.
	Network traffic	Tren performa traffic jaringan instans, termasuk: mongodb.network.bytesIn: Traffic masuk. mongodb.network.bytesOut: Traffic keluar. mongodb.network.numRequests: Jumlah permintaan yang diproses.
Instans replica set Instans kluster sharded	IOPS usage	Tren performa penggunaan IOPS, termasuk: mongodb.iops.data_iops: Jumlah operasi baca dan tulis pada disk data. mongodb.iops.log_iops: Jumlah operasi baca dan tulis pada disk log.
Instans replica set Instans kluster sharded	IOPS usage rate	mongodb.iops_usage: Laju penggunaan IOPS. Catatan Instans replica set dan instans kluster sharded yang menggunakan cloud disk dan menjalankan MongoDB 4.2 tidak mendukung penampilan penggunaan IOPS dan laju penggunaan IOPS.
Instans replica set	GlobalLock	Tren performa global lock instans, termasuk: mongodb.globalLock.currentQueue.total: Panjang total antrian global lock. mongodb.globalLock.currentQueue.writers: Panjang total antrian global write lock. mongodb.globalLock.currentQueue.readers: Panjang total antrian global read lock.