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Metric item description
QRS
Metric item | Meaning |
QPS | Query QPS |
First stage QPS | First stage query QPS |
Second stage QPS | Second stage query QPS |
proc_cpu | Query node CPU utilization |
proc_mem_rss | Query node memory usage size |
mem | Query node memory usage |
qrsSessionLatencyNormal | Time taken for normal query/independent first stage/independent second stage Qrs to complete session queue export |
waitLatencyPhase1 | Time taken for the first stage Qrs to wait for the descendant node to return asynchronous request results |
waitLatencyPhase2 | Time taken for the second stage Qrs to wait for the descendant node to return asynchronous request results |
returnCountNormal | Number of normal returns from the query node |
resultLenNormal | Length of normal query results |
emptyQps | QPS of empty query results |
syntaxErrorQps | QPS of syntax error requests on Qrs during query, including parse clause failure, illegal result format, etc. |
RequestPoolWaitTime | Time the session waits in the worker queue on the query node |
multiCallLatency | Latency of multiCall invocation on the query node |
early_terminator_qps | QPS of queries that trigger early termination on the query node |
worker_status | Searcher worker status (1 indicates normal, 0 indicates abnormal) |
processerrorqps | QPS of process error requests on Qrs during query, including errors caused by the absence of Processor or ProcessorChain leading to Qrs being unable to process requests, Process errors, etc., excluding syntax errors |
Searcher-normal
Metric item | Meaning |
proc_Cpu | Searcher worker CPU utilization |
proc_Mem_Rss | Searcher worker memory usage size |
proc_Mem_Use_Ratio | Searcher worker memory usage |
disk_use | Searcher worker disk usage size |
disk_use_ratio | Searcher worker disk usage |
patitionDocCount | Number of docs stored in the Searcher worker |
partitionMemoryQuotaUse | Memory quota used by the index on the Searcher worker |
incIndexMemoryUse | Memory occupied by incremental index |
oldInMemorySegmentMemoryUse | Memory occupied by unreleased memory segments |
SegmentCount | Number of segments on the Searcher worker |
requestPoolWaitTime | Waiting time for query requests in the query pool on the Searcher worker |
worker_status | Searcher worker status (1 indicates normal, 0 indicates abnormal) |
deletedDocCount | Number of deleted docs on the Searcher worker |
Searcher_phase1
Metric item | Meaning |
inQpsPhase1 | QPS in phase 1 on the Searcher worker |
searcherProcessLatencyPhase1 | Phase 1 query processing latency on the Searcher worker |
sessionLatencyPhase1 | Phase 1 query processing session latency on the Searcher worker |
beforeSearchLatency | Initialization latency of query on the Searcher worker |
rankLatency | Time taken for the first sort on the Searcher worker |
rerankLatency | Time required for fine sorting on the Searcher worker |
matchCount | Number of matching results on the Searcher worker, accurate value |
matchDocSize | Actual number of matchDocs returned in the first phase on the Searcher worker |
seekCount | Total count of queries on the Searcher worker, accurate value |
seekDocCount | Number of seek docs on the Searcher worker |
phase1EmptyQps | QPS of empty query results in phase 1 on the Searcher worker |
phrase1TimeoutQps | QPS of timeout queries in phase 1 on the Searcher worker |
cacheHitRatio | Full cache hit ratio on the Searcher worker |
cacheGetNum | QPS of full cache being invoked on the Searcher worker |
cachePutNum | QPS of results added to full cache on the Searcher worker |
cacheItemNum | Number of items in full cache on the Searcher worker |
extraRankCount | Number of docs in the final round of sorting on the Searcher worker |
extraRankLatency | Time required for the final round of sorting on the Searcher worker |
aitheta_seek_count | Aitheta seek count on the Searcher worker |
aitheta_recall_ratio | Aitheta recall rate on the Searcher worker |
aitheta_seek_latency | Aitheta seek latency on the Searcher worker |
after_search_latency | Time taken from the end of sorting to the final return of results on the Searcher worker |
request_pool_wait_time | Waiting time for query requests in the query pool on the Searcher worker |
Searcher_phase2
Metric item | Meaning |
inQpsPhase2 | QPS of phase 2 queries on the Searcher worker |
searcherProcessLatencyPhase2 | Phase 2 query process latency on the Searcher worker |
sessionLatencyPhase2 | Phase 2 query session latency on the Searcher worker |
blockCacheHitRatio | Block cache hit ratio on the Searcher worker |
fetchSummaryLatency | Time taken to get the summary on the Searcher worker |
extractSummaryLatency | Time taken to get the dynamic summary on the Searcher worker |
Searcher_rt_build
Metric item | Meaning |
addQps | QPS of API push add doc in the Searcher worker |
deleteQPS | QPS of API push delete doc in the Searcher worker |
buildQps | QPS of real-time build index in the Searcher worker |
end2EndLatency_API | Latency of API push data |
end2EndLatency_default | Latency metric of API push data |
swiftReadDelay | Swift read latency on the Searcher worker |
rtIndexMemoryUse | Real-time memory usage in the Searcher worker |
rtIndexMemoryUseRatio | Real-time memory usage ratio in the Searcher worker |
dumpSegmentLatency | Time taken to dump real-time data segments during batch switching on the Searcher worker |
processedDocSize | Size of processed documents on the Searcher worker |