Document Center

    E-MapReduce

    • E-MapReduce
    • Announcements & Updates
      • Document updates
    • Product Introduction
      • What is E-MapReduce?
      • Benefits
      • Architecture
      • Use scenarios
      • Limits
      • Release version
        • Overview
        • Release notes (EMR V5.X series)
          • Release notes for EMR V5.3.X
          • Release notes for EMR V5.2.X
        • Release notes (EMR V4.X series)
          • Release notes for EMR V4.9.X
          • Release notes for EMR V4.8.X
          • Release notes for EMR V4.6.X
          • Release notes of EMR V4.5.X
          • Release notes of EMR V4.4.1
          • Release notes of EMR V4.4.0
          • Release notes of EMR V4.3.x
        • Release notes (EMR V3.X series)
          • Release notes for EMR V3.37.X
          • Release notes for EMR V3.36.X
          • Release notes for EMR V3.35.X
          • Release notes for EMR V3.34.X
          • Release notes for EMR V3.33.X
          • Release notes of EMR V3.32.X
          • Release notes of EMR V3.30.X
          • Release notes of EMR V3.29.X
          • Release notes of EMR V3.28.X
          • Release notes of EMR V3.27.X
          • Release notes of EMR V3.26.X
          • Release notes of EMR V3.25.X
          • Release notes of EMR V3.24.X
          • Release notes of EMR V3.23.X
          • Release notes of EMR V3.22.X
          • Release notes of versions earlier than E-MapReduce V3.22.X
    • Pricing
      • Billable items
      • Billing rules
        • Subscription
        • Pay-as-you-go
      • Switch from pay-as-you-go to subscription
      • Renewal
      • Expiration and overdue payments
    • Quick start
    • O&M and Management Guide
      • Cluster Management
        • Cluster planning
          • Select configurations
          • Node categories
          • Gateway clusters
          • ECS instances
          • Storage
          • Supported instances with local disks
          • Disaster recovery in EMR clusters
        • Configure clusters
          • Create a cluster
          • Create a gateway cluster
          • Manage permissions
            • Authorize roles
            • EMR service role
            • ECS application role (used in EMR V3.32.0 and earlier V3.X.X versions as well as in EMR V4.5.0 and earlier V4.X.X versions)
            • ECS application role (used in V3.X.X versions later than EMR V3.32.0 as well as in V4.X.X versions later than EMR V4.5.0)
            • Use a custom ECS application role to access cloud resources of the same account
            • Grant permissions to RAM users
          • Manage user accounts
          • Manage and use tags
          • Use resource groups
          • Manage security groups
          • Manage Metadata
            • Configure an independent ApsaraDB RDS for MySQL database
          • Manage bootstrap actions
          • Cluster scripts
          • Manage cluster resources
            • Cluster resource overview
            • Use Fair Scheduler
            • Use Capacity Scheduler
          • Cluster management page
          • View the cluster list and cluster details
        • Manage services
          • View the running status of services
          • Add a service
          • Restart a service
          • Manage parameters for services
          • Customize software configurations
          • View the deployment information of service components
          • Access the Web UI
            • Create an SSH tunnel to access web UIs of open source components
            • Access the web UIs of open source components
        • Cluster Operations
          • Common file paths
          • Log on to a cluster
          • Scale out a cluster
          • Scale in a cluster
          • Auto Scaling
            • Overview
            • Create an auto scaling machine group
            • Manage auto scaling
            • Configure auto scaling rules by time
            • View auto scaling history
            • Configure auto scaling monitoring alerts
          • Expand disks
          • Add node groups
          • Remove abnormal ECS instances
          • Upgrade node configurations
          • Status list
          • Guide for E-MapReduce cluster operations
          • Release a cluster
        • FAQ about cluster management
      • Metadata Management
        • Manage Hive metadata
          • Manage Hive metadata in a centralized manner
          • Basic operations on Hive metadata
          • Migrate Hive metadata
            • Migrate data from a unified metadatabase to an ApsaraDB RDS instance
        • Manage Kafka metadata
        • FAQ
      • Monitoring Dashboard (new)
        • Create a threshold-triggered alert rule
        • Create an event-triggered alert rule
      • Monitoring and Alarms
        • Monitoring dashboard
          • Overview
          • Dashboard
          • Events
          • Cluster monitoring
          • Service monitoring
            • Overview
            • HDFS monitoring
            • YARN monitoring
            • Hive monitoring
            • ZooKeeper monitoring
            • Spark monitoring
            • Druid monitoring
            • Kafka service
          • Job monitoring
          • Configure event subscription
          • Subscription event encoding table
          • Log search
          • Query custom metrics
        • Alarm management
          • Cluster alert management
        • Use CloudMonitor to monitor service status
    • EMR Development Guide
      • Data Development
        • Overview
        • Manage projects
        • Edit jobs
        • Edit a workflow
        • Implement ad hoc queries
        • Scheduling center
        • Manage cluster templates
        • Event codes for Cloud Monitor
        • Job configuration
          • Configure job time and date
          • Configure a Shell job
          • Configure a Hive job
          • Configure a Hive SQL job
          • Configure a Spark job
          • Configure a Spark SQL job
          • Configure a Spark Shell job
          • Configure a Spark Streaming job
          • Configure a Hadoop MapReduce job
          • Configure a Sqoop job
          • Configure a Pig job
          • Configure a VVR-based Flink job
          • Configure a Streaming SQL job
          • Configure a Presto SQL job
          • Configure an Impala SQL job
        • FAQ about data development
      • Data Developer Guide
        • Preparations
          • Development preparations
          • Configure the OSS URI to use E-MapReduce
          • Use the sample project
          • Install Python
        • Spark
          • Preparations
          • Parameters
          • Use Spark to access OSS
          • Use Spark to access MaxCompute
          • Use Spark to access Message Queue for Apache RocketMQ
          • Use Spark to access Tablestore
          • Use Spark to consume Log Service data
            • Consume data in real time
            • Consume data offline
            • Consume data in Log Service
          • Use Spark to access MNS
          • Use Spark to write data to HBase
          • Use Spark to access Kafka
          • Use Spark to access MySQL
          • Configure spark-submit parameters
        • Spark Streaming SQL
          • Common keywords
          • Streaming query
            • Job template (EMR V3.23.0 and later)
            • Job template
            • Configurations
          • DDL overview
            • CREATE TABLE
            • CREATE SCAN
            • CREATE STREAM
          • Query overview
            • SELECT
            • WHERE
            • GROUP BY
            • JOIN
            • WATERMARK
            • UNION ALL
          • DML overview
            • MERGE INTO
            • INSERT INTO
          • Window function
            • Overview
            • Tumbling window
            • Sliding window
          • Data source
            • Overview
            • HBase data source
            • JDBC data source
            • Kafka data source
            • LogHub data source
            • Tablestore data source
            • Redis data source
            • Druid data source
            • DataHub data source
        • Hadoop
          • Parameters
          • Develop a MapReduce job
          • Create and run a Hive job
          • Create and run a Pig job
          • Hadoop Streaming
          • Process Table Store data in Hive
        • HBase
          • Access HBase
          • Back up an HBase cluster
      • Component Operation Guide
        • Zeppelin
          • Zepplin overview
        • SmartData
        • Oozie
        • OpenLDAP
        • Sqoop
        • Knox
        • Superset
        • Tez
        • Livy
        • Phoenix
        • TensorFlow
        • HDFS
          • Overview
          • Basic usage
            • Common commands
          • Advanced use
            • Enable HDFS authorization
            • Configure quotas
            • Snapshots
            • HDFS balancer
            • HaAdmin tool
            • HDFS
          • Developer guide
          • Best practices
            • JVM memory tuning
            • Optimization in real-time computing scenarios
            • HDFS usage optimization
          • FAQ
        • HBase
          • HBase overview
          • HBase
        • Hudi
          • Overview
        • Alluxio
          • Overview
          • Basic usage
            • Common commands
          • Advanced usage
            • Common administrative commands
            • Cache policies and lifecycle management commands
            • Configure permissions
          • FAQ
        • Kudu
          • Introduction
        • YARN
          • Overview
          • YARN
          • Best Practices
            • Use cgroups with YARN to control the CPU usage
        • Spark
          • Overview
          • Advanced use
            • Manage LDAP authentication
          • FAQ
        • Hive
          • Overview
          • Enhanced features of Hive in EMR
          • Basic usage
            • Use Hive to perform basic operations
            • Connect to Hive
          • Advanced use
            • Use Kerberos authentication to access Hive
            • Hive
            • Manage LDAP authentication
          • Developer guide
            • UDFs
          • Best practices
            • Use Hive to access HBase data in EMR
            • Use Hive to access Phoenix data in EMR
            • Use Hive to access data of Delta Lake and Hudi
            • Use Hive jobs to process Tablestore data
            • Run the TPC-DS benchmark in an EMR cluster
            • Use JDBC to connect to HiveServer2
        • Impala
          • Overview
          • Developer guide
            • Connect to Impala
          • Advanced usage
            • Manage LDAP authentication
        • Zookeeper
          • Overview
          • Use ZooKeeper
          • FAQ
        • ESS
          • Overview
        • Flink
          • Overview
          • Access the web UI of Flink-VVP
        • Kafka
          • Overview
          • Access Kafka across clusters
          • Integrate Kafka with Ranger
          • Access Kafka over SSL
          • FAQ
        • Use Kafka Manager
        • DeltaLake
          • Overview
          • Quick start
          • Developer guide
            • Delta Lake parameter
            • Batch reads and writes
            • Streaming reads and writes
            • Data deletes, updates, and merges
          • Scenarios
            • Scenario 1: Stream ingestion
            • Scenario 2: Data synchronization
            • Scenario 3: Hot and cold data separation
          • Appendix 3: FAQ
        • Presto
          • Overview
          • Architecture
          • Terms
          • Use a CLI to access the Presto console
          • Use JDBC
          • Manage LDAP authentication
        • Flume
          • Overview
          • Developer guide
            • Install a third-party plug-in
          • Best practices
            • Synchronize audit logs to HDFS
            • Synchronize data from an EMR Kafka cluster to HDFS
            • Synchronize data from an EMR Kafka cluster to Hive
            • Synchronize data from an EMR Kafka cluster to HBase
            • Synchronize data from an EMR Kafka cluster to OSS
            • Synchronize data from LogHub to HDFS
          • Configure Flume
        • Hue
          • Use Hue
          • Basic usage
            • Manage accounts
            • Add configuration items
            • Configure YARN queues
          • Advanced usage
            • Connect Hue to an LDAP server
            • Configure Hue to connect to the execution engines for which LDAP authentication is enabled
            • Implement multi-instance load balancing for Hue
            • Manage LDAP authentication
          • Best practices
            • Configure Hue to support access to Presto
            • Use the HBase service on the Hue web UI
            • Use File Browser on the Hue web UI
            • Use editors on the Hue web UI
        • Ranger
          • Overview
          • Integrate components with Ranger
            • HDFS
            • HBase
            • Hive
            • Spark
            • Presto
            • JindoFS configuration
          • Advanced features
            • Integrate Ranger UserSync with an LDAP server
            • Integrate Ranger Admin with an LDAP server
            • Manage LDAP authentication
            • Mask Hive data
            • Filter Hive data by row
            • View audit logs on the Ranger web UI
            • Configure security zones
        • Kerberos
          • Introduction to Kerberos
          • Configure MIT Kerberos authentication
          • Cross-region access
          • RAM authentication
          • Execution plan authentication
        • Druid
          • Introduction to Druid
          • Quick start
          • Ingestion Spec
          • Kafka Indexing Service
          • LOG Indexing Service
          • Common Druid problems
      • SmartData
        • Overview
        • Overview and usage of JindoFS
        • SmartData 3.6.x
          • SmartData 3.6.X overview
          • JindoFS in block storage mode
            • Use JindoFS in block storage mode
            • Use RocksDB to store metadata
            • Use Raft-RocksDB-Tablestore to store metadata
            • Use Jindo AuditLog
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
            • Data management policies
            • Analyze metadata offline
            • Use a JindoFS credential provider
            • Use JindoFS in block storage mode to store encrypted files
          • JindoFS in cache mode
            • Use JindoFS in cache mode
            • Use the password-free feature of JindoFS SDK
            • Use Jindo AuditLog
            • Use Jindo Job Committer
            • Use JindoFS OSS credential providers
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
          • JindoTable
            • Enable query acceleration based on a native engine
            • Use JindoTable
            • Archive and unarchive data in SDK mode
            • Use the MoveTo command of JindoTable
            • Use JindoTable to collect access frequency statistics on tables and partitions
            • Use JindoTable to collect infrequent-access statistics of tables and partitions
          • Toolset
            • Use Jindo SQL
            • Use JindoFS FUSE
            • Use Jindo DistCp
            • Use Jindo DistCp in specific scenarios
            • Use tiered storage commands of JindoFS
        • SmartData 3.5.x
          • SmartData 3.5.X
          • JindoFS in block storage mode
            • Use JindoFS in block storage mode
            • Use RocksDB to store metadata
            • Use Raft-RocksDB-Tablestore to store metadata
            • Use Jindo AuditLog
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
            • Data management policies
            • Analyze metadata offline
            • Use a JindoFS credential provider
            • Use JindoFS in block storage mode to store encrypted files
          • JindoFS in cache mode
            • Use JindoFS in cache mode
            • Use the password-free feature of JindoFS SDK
            • Use Jindo AuditLog
            • Use Jindo Job Committer
            • Use JindoFS OSS credential providers
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
          • JindoTable
            • Enable query acceleration based on a native engine
            • Use JindoCube
            • Use JindoTable
            • Use JindoTable to collect access frequency statistics on tables and partitions
            • Use JindoTable to collect infrequent-access statistics of tables and partitions
          • Toolset
            • Use JindoFS FUSE
            • Use Jindo DistCp
            • Use Jindo DistCp in specific scenarios
            • Use tiered storage commands of JindoFS
        • SmartData 3.4.x
          • SmartData 3.4.X
          • JindoFS in block storage mode
            • Use JindoFS in block storage mode
            • Use RocksDB to store metadata
            • Use Raft-RocksDB-Tablestore to store metadata
            • Use Jindo AuditLog
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
            • Data management policies
            • Analyze metadata offline
            • Use a JindoFS credential provider
            • Use JindoFS in block storage mode to store encrypted files
          • JindoFS in cache mode
            • Use JindoFS in cache mode
            • Use the password-free feature of JindoFS SDK
            • Use Jindo AuditLog
            • Use Jindo Job Committer
            • Use JindoFS OSS credential providers
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
          • JindoTable
            • Enable query acceleration for ORC files
            • Use JindoTable
            • Use JindoCube
            • Use JindoTable to collect access frequency statistics on tables and partitions
          • Toolset
            • Use JindoFS FUSE
            • Use Jindo DistCp
            • Use Jindo DistCp in specific scenarios
            • Use tiered storage commands of JindoFS
        • SmartData 3.2.X
          • SmartData 3.2.X
          • JindoFS in block storage mode
            • Use JindoFS in block storage mode
            • Use RocksDB to store metadata
            • Use Raft-RocksDB-Tablestore to store metadata
            • Use Jindo AuditLog
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
            • Data management policies
            • Analyze metadata offline
          • JindoFS in cache mode
            • Use JindoFS in cache mode
            • Use the password-free feature of JindoFS SDK
            • Use Jindo AuditLog
            • Use Jindo Job Committer
            • Use a credential provider
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
          • JindoTable
            • Enable query acceleration for ORC files
            • Use JindoTable
            • Use JindoCube
            • Use JindoTable to collect access frequency statistics on tables and partitions
          • Toolset
            • Use JindoFS FUSE
            • Use Jindo DistCp
            • Use Jindo DistCp in specific scenarios
            • Use tiered storage commands of JindoFS
        • SmartData 3.1.x
          • SmartData 3.1.x
          • JindoFS in block storage mode
            • Use JindoFS in block storage mode
            • Use RocksDB to store metadata
            • Use Raft-RocksDB-Tablestore to store metadata
            • Use Jindo AuditLog
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
            • Data management policies
            • Analyze metadata offline
          • JindoFS in cache mode
            • Use JindoFS in cache mode
            • Use the password-free feature of JindoFS SDK
            • Use Jindo AuditLog
            • Use Jindo Job Committer
            • Use a credential provider
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
          • JindoTable
            • Use JindoTable
            • Use JindoTable to collect access frequency statistics of tables and partitions
            • Use JindoCube
          • Toolset
            • Use JindoFS FUSE
            • Use Jindo DistCp
            • Use Jindo DistCp in specific scenarios
            • Use tiered storage commands of JindoFS
        • SmartData 3.0.x
          • SmartData 3.0.0
          • JindoFS in block storage mode
            • Use JindoFS in block storage mode
            • Use RocksDB to store metadata
            • Use Raft-RocksDB-Tablestore to store metadata
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
            • Use Jindo AuditLog
            • Analyze metadata offline
          • JindoFS in cache mode
            • Use JindoFS in cache mode
            • Use the password-free feature of JindoFS SDK
            • Access the web UI of JindoFS
            • Manage JindoFS permissions
            • Use Jindo Job Committer
            • Use Jindo AuditLog
            • Use a credential provider
          • JindoTable
            • Use JindoTable
            • Use JindoCube
          • Toolset
            • Use JindoFS FUSE
            • Use tiered storage commands of JindoFS
            • Use Jindo DistCp
            • Use Jindo DistCp in specific scenarios
        • SmartData 2.7.301
          • JindoFS in block storage mode
            • Use JindoFS in block storage mode
            • Use Tablestore instances to store metadata
            • Use RocksDB to store metadata
            • Use Raft-RocksDB-Tablestore to store metadata
            • Manage JindoFS permissions
            • Use Jindo AuditLog
          • JindoFS in cache mode
            • Use JindoFS in cache mode
            • Use the password-free feature of JindoFS SDK
            • Use Jindo Job Committer
            • Manage JindoFS permissions
            • Use Jindo AuditLog
          • JindoTable
            • Use JindoCube
          • Toolset
            • Use Jindo DistCp
            • Use JindoFS FUSE
        • SmartData 2.6.0-2.7.2
          • SmartData 2.6.X
          • JindoFS in block storage mode
            • Use JindoFS in block storage mode
            • Use Tablestore instances to store metadata
            • Use RocksDB to store metadata
            • Use Raft-RocksDB-Tablestore to store metadata
            • Manage JindoFS permissions
          • JindoFS in cache mode
            • Use JindoFS in cache mode
            • Manage JindoFS permissions
            • Use Jindo Job Committer
          • JindoTable
            • Use JindoCube
          • Toolset
            • Use Jindo DistCp
        • SmartData 2.2.x and earlier
          • Use JindoFS in EMR V3.20.0 to V3.22.0 (V3.22.0 excluded)
          • Use JindoFS in EMR V3.22.0 to V3.26.3
          • Use the block storage mode
          • Use the cache mode
          • Use the password-free feature of JindoFS SDK
          • Use the external client
        • Best Practices
          • Migrate data from HDFS to JindoFS
          • Use MapReduce to process data in JindoFS
          • Use Hive to query data in JindoFS
          • Use Spark to process data in JindoFS
          • Use Flink to process data in JindoFS
          • Use Impala or Presto to query data in JindoFS
          • Use JindoFS as the storage backend of HBase
          • Store the logs of YARN MapReduce and Spark jobs
          • Import data from Kafka to JindoFS
          • Access JindoFS across clusters
        • SmartData FAQ
    • Best Practices
      • Data analysis
        • Adaptive execution framework of Spark SQL
      • Data migration and synchronization
        • Use Presto to query table data in an ApsaraDB RDS for MySQL database
        • E-MapReduce data migration solution
        • Use Flink jobs to process OSS data
        • Use EMR to transmit MySQL binary logs in near real time
        • Run Flume on a Gateway node to synchronize data
        • Use Spark Streaming jobs to process Kafka data
        • Use Kafka Connect to migrate data
        • Use PyFlink jobs to process Kafka data
    • FAQ
      • FAQ
    • API Reference
      • List of operations by function
      • Description of calls
        • Request structure
        • Common parameters
        • Sign signatures
        • Responses
      • Cluster
        • Create a cluster
        • Create a cluster
        • Create a cluster by using templates
        • Delete a cluster Template
        • Queries the details of a cluster template
        • Queries the basic information of a cluster
        • Query cluster information
        • Queries the host list of a cluster
        • Query the list of clusters
        • Queries the list of cluster templates
        • Query quick links of a service
        • Queries host groups in a cluster
        • Queries the information list of available clusters
        • Query available resources
        • View EMR Version information
        • Modify a cluster Template
        • ModifyClusterName
        • Release a cluster
        • Scale out or scale up an instance
        • Add to a resource group
        • Cluster scale-in
      • Cluster service
        • Add a service
        • View cluster operation logs
        • Query Service information
        • Query Service configuration details
        • Queries the service configuration tags of a cluster
        • Query the list of components
        • Query the operation history of a cluster
        • View the task list for a specified host
        • A list of hosts whose operation history is queried
        • Query the list of services installed on a cluster
        • Queries the task list for a specified host
        • View the list of services supported by a cluster
        • Queries the Service list of a cluster
        • View a list of health information
        • Query the modification history of a service configuration
        • Modifies the configuration of a specified service of a cluster
        • Run specified actions
      • Auto Scaling
        • Create a scaling group
        • Create a Auto Scaling configuration items
        • Modify a scaling group
        • Modify a scaling configuration items
        • View scaling groups
        • View scaling configuration items
        • View scaling activities
        • Querying Scaling configuration items Details
        • View scaling group instance details
        • Query details about a scaling Group
        • Perform operations on scaling Group instances
        • Delete Auto Scaling configuration items
      • Manage resources
        • Create Resource Pool
        • Create a resource queue
        • Deletes a specified resource pool
        • Delete Resource Queue
        • Queries the list of resource pools
        • Update resource pools
        • Modifies the scheduling type of a resource pool
        • Modify resource queue
        • Synchronize resource pools and configure to clusters
        • View resource pool policy types
      • Tags
        • Query tag list
        • Create and bind a tag
        • Unbind a tag
      • Data development
        • Create a job
        • Clone a job
        • Create a workflow
        • Clone workflow
        • Create a data development project
        • Create project cluster settings
        • Create a workflow directory folder
        • Add a project user
        • Delete a workflow
        • Delete workflow Directory
        • Delete a job
        • Delete a data development project
        • Delete project cluster settings
        • Delete a project user
        • Queries the information of a workflow
        • Query directory information
        • Obtain directory tree
        • Obtains the information about a workflow instance
        • Query job information
        • Queries the details of a node instance
        • Queries the container logs of a node instance
        • Query the initiator logs of a node instance
        • Query project details
        • Query the details of Project settings
        • Terminate job instance
        • Queries the workflow list
        • Query the list of clusters available in a project
        • Query the list of clusters available for data development
        • Obtain the commit agent node list
        • Queries the list of clients that can submit jobs
        • Query the list of workflow instances
        • ListJobs
        • Query the list of running job instances
        • Queries the node instance list of a workflow
        • Queries the container status details of a node instance
        • Queries the SQL results of a node instance
        • Queries the list of the specified projects
        • Queries the cluster settings list of a project
        • Queries the user information of a project
        • Modify workflows
        • Query the directory of a workflow
        • Modify project cluster settings
        • Rename a directory
        • Workflow for modifying graph information
        • Modify a data development project
        • ModifyJob
        • Retry workflow
        • Resume workflow
        • Submit a running workflow
        • Submit and run a job
        • Suspend a workflow
      • Common APIs
        • Create a cluster
        • Modify the configurations of a cluster
        • Scale out a cluster
        • Create and manage a project
        • Run a job
        • Run a workflow
    • SDK Reference
      • E-MapReduce SDK release notes
      • Java SDK
        • Download SDKs
        • Quick start
        • Reference project
      • Python SDK
        • Install SDK
        • Sample code
 
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    FAQ

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    Product Details

    FAQ

    Last Updated: Feb 09, 2021

    If you encounter an error or issue when you use Alibaba Cloud E-MapReduce (EMR), you can troubleshoot the error or fix the issue based on information provided in this topic.

    • FAQ about cluster planning and configuration
    • FAQ about data development
    • FAQ
    Previous: Use PyFlink jobs to process Kafka data Next: List of operations by function

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