- Release Notes and Announcements
- Product Introduction
- Purchase Guide
- Getting Started
- EMR on CVM Operation Guide
- Planning Cluster
- Configuring Cluster
- Managing Cluster
- Instance Information
- Node Specification Management
- Checking and Updating Public IP
- Logging in to Clusters
- Cluster Scale-Out
- Cluster Scale-in
- Releasing Now
- Auto Scaling
- Graceful Scale-In
- Changing Configurations
- Automatic Replacement
- Exporting Software Configuration
- Cluster Scripts
- Cluster Termination
- Operation Logs
- Task Center
- Disk Management
- Managing Service
- Monitoring and Alarms
- Cluster Overview
- Node Status
- Service Status
- Cluster Event
- Log
- Application Analysis
- Cluster Inspection
- Java Analysis
- Monitoring Metrics
- Node Monitoring Metrics
- HDFS Monitoring Metrics
- YARN Monitoring Metrics
- ZooKeeper Monitoring Metrics
- HBase Monitoring Metrics
- Hive Monitoring Metrics
- Spark Monitoring Metrics
- Presto Monitoring Metrics
- Trino Monitoring Metrics
- ClickHouse Monitoring Metrics
- Druid Monitoring Metrics
- Kudu Monitoring Metrics
- Alluxio Monitoring Metrics
- PrestoSQL Monitoring Metrics
- Impala Monitoring Metrics
- Ranger Monitoring Metrics
- COSRanger Monitoring Metrics
- Doris Monitoring Metrics
- Kylin Monitoring Metrics
- Zeppelin Monitoring Metrics
- Oozie Monitoring Metrics
- Storm Monitoring Metrics
- Livy Monitoring Metrics
- Kyuubi Monitoring Metrics
- StarRocks Monitoring Metrics
- Kafka Monitoring Metrics
- Alarm Configurations
- Alarm Records
- EMR on TKE Operation Guide
- EMR Lite HBase Operation Guide
- EMR Development Guide
- Hadoop Development Guide
- HDFS Common Operations
- HDFS Federation Management Development Guide
- HDFS Federation Management
- Submitting MapReduce Tasks
- Automatically Adding Task Nodes Without Assigning ApplicationMasters
- YARN Task Queue Management
- Practices on YARN Label Scheduling
- Hadoop Practical Tutorial
- Using API to Analyze Data in HDFS and COS
- Dumping YARN Job Logs to COS
- Spark Development Guide
- Hbase Development Guide
- Phoenix on Hbase Development Guide
- Hive Development Guide
- Presto Development Guide
- Sqoop Development Guide
- Hue Development Guide
- Oozie Development Guide
- Flume Development Guide
- Kerberos Development Guide
- Knox Development Guide
- Alluxio Development Guide
- Kylin Development Guide
- Livy Development Guide
- Kyuubi Development Guide
- Zeppelin Development Guide
- Hudi Development Guide
- Superset Development Guide
- Impala Development Guide
- Druid Development Guide
- TensorFlow Development Guide
- Kudu Development Guide
- Ranger Development Guide
- Kafka Development Guide
- Iceberg Development Guide
- StarRocks Development Guide
- Flink Development Guide
- Hadoop Development Guide
- Practical Tutorial
- API Documentation
- FAQs
- Service Level Agreement
- Contact Us
- Release Notes and Announcements
- Product Introduction
- Purchase Guide
- Getting Started
- EMR on CVM Operation Guide
- Planning Cluster
- Configuring Cluster
- Managing Cluster
- Instance Information
- Node Specification Management
- Checking and Updating Public IP
- Logging in to Clusters
- Cluster Scale-Out
- Cluster Scale-in
- Releasing Now
- Auto Scaling
- Graceful Scale-In
- Changing Configurations
- Automatic Replacement
- Exporting Software Configuration
- Cluster Scripts
- Cluster Termination
- Operation Logs
- Task Center
- Disk Management
- Managing Service
- Monitoring and Alarms
- Cluster Overview
- Node Status
- Service Status
- Cluster Event
- Log
- Application Analysis
- Cluster Inspection
- Java Analysis
- Monitoring Metrics
- Node Monitoring Metrics
- HDFS Monitoring Metrics
- YARN Monitoring Metrics
- ZooKeeper Monitoring Metrics
- HBase Monitoring Metrics
- Hive Monitoring Metrics
- Spark Monitoring Metrics
- Presto Monitoring Metrics
- Trino Monitoring Metrics
- ClickHouse Monitoring Metrics
- Druid Monitoring Metrics
- Kudu Monitoring Metrics
- Alluxio Monitoring Metrics
- PrestoSQL Monitoring Metrics
- Impala Monitoring Metrics
- Ranger Monitoring Metrics
- COSRanger Monitoring Metrics
- Doris Monitoring Metrics
- Kylin Monitoring Metrics
- Zeppelin Monitoring Metrics
- Oozie Monitoring Metrics
- Storm Monitoring Metrics
- Livy Monitoring Metrics
- Kyuubi Monitoring Metrics
- StarRocks Monitoring Metrics
- Kafka Monitoring Metrics
- Alarm Configurations
- Alarm Records
- EMR on TKE Operation Guide
- EMR Lite HBase Operation Guide
- EMR Development Guide
- Hadoop Development Guide
- HDFS Common Operations
- HDFS Federation Management Development Guide
- HDFS Federation Management
- Submitting MapReduce Tasks
- Automatically Adding Task Nodes Without Assigning ApplicationMasters
- YARN Task Queue Management
- Practices on YARN Label Scheduling
- Hadoop Practical Tutorial
- Using API to Analyze Data in HDFS and COS
- Dumping YARN Job Logs to COS
- Spark Development Guide
- Hbase Development Guide
- Phoenix on Hbase Development Guide
- Hive Development Guide
- Presto Development Guide
- Sqoop Development Guide
- Hue Development Guide
- Oozie Development Guide
- Flume Development Guide
- Kerberos Development Guide
- Knox Development Guide
- Alluxio Development Guide
- Kylin Development Guide
- Livy Development Guide
- Kyuubi Development Guide
- Zeppelin Development Guide
- Hudi Development Guide
- Superset Development Guide
- Impala Development Guide
- Druid Development Guide
- TensorFlow Development Guide
- Kudu Development Guide
- Ranger Development Guide
- Kafka Development Guide
- Iceberg Development Guide
- StarRocks Development Guide
- Flink Development Guide
- Hadoop Development Guide
- Practical Tutorial
- API Documentation
- FAQs
- Service Level Agreement
- Contact Us
YARN - overview
| Title | Metric | Unit | Description |
|---|---|---|---|
| Nodes | NumActiveNMs | - | Number of live NodeManagers |
| NumDecommissionedNMs | - | Number of decommissioned NodeManagers | |
| NumLostNMs | - | Number of lost NodeManagers | |
| NumUnhealthyNMs | - | Number of unhealthy NodeManagers | |
| CPU cores | AllocatedVCores | - | Number of allocated VCores in the current queue |
| ReservedVCores | - | Number of reserved VCores in the current queue | |
| AvailableVCores | - | Number of available VCores in the current queue | |
| PendingVCores | - | Number of pending VCores in resource requests in the current queue | |
| Total applications | AppsSubmitted | - | Number of submitted jobs in the current queue |
| AppsRunning | - | Number of running jobs in the current queue | |
| AppsPending | - | Number of pending jobs in the current queue | |
| AppsCompleted | - | Number of completed jobs in the current queue | |
| AppsKilled | - | Number of killed jobs in the current queue | |
| AppsFailed | - | Number of failed jobs in the current queue | |
| ActiveApplications | - | Number of active jobs in the current queue | |
| running_0 | - | Number of running jobs in the current queue that have run for less than 60 minutes | |
| running_60 | - | Number of running jobs in the current queue that have run for 60–300 minutes | |
| running_300 | - | Number of running jobs in the current queue that have run for 300–1,440 minutes | |
| running_1440 | - | Number of running jobs in the current queue that have run for more than 1,440 minutes | |
| Memory size | AllocatedMB | MB | Amount of allocated memory in the current queue |
| AvailableMB | MB | Amount of available memory in the current queue | |
| PendingMB | MB | Amount of pending memory in resource requests in the current queue | |
| ReservedMB | MB | Amount of reserved memory in the current queue | |
| Containers | AllocatedContainers | - | Number of allocated containers in the current queue |
| PendingContainers | - | Number of pending containers in resource requests in the current queue | |
| ReservedContainers | - | Number of reserved containers in the current queue | |
| Total allocated/released containers | AggregateContainersAllocated | - | Total number of allocated containers in the current queue |
| AggregateContainersReleased | - | Total number of released containers in the current queue | |
| Users | ActiveUsers | - | Number of active users in the current queue |
| Memory | allocatedMB | MB | Amount of allocated memory in the cluster |
| availableMB | MB | Amount of available memory in the cluster | |
| reservedMB | MB | Amount of reserved memory in the cluster | |
| totalMB | MB | Total amount of memory in the cluster | |
| Applications | completed | - | Number of completed jobs in the cluster during the statistical period |
| failed | - | Number of failed jobs in the cluster during the statistical period | |
| killed | - | Number of killed jobs in the cluster during the statistical period | |
| pending | - | Number of pending jobs in the cluster during the statistical period | |
| running | - | Number of running jobs in the cluster during the statistical period | |
| submitted | - | Number of submitted jobs in the cluster during the statistical period | |
| Containers | containersAllocated | - | Number of allocated containers in the cluster |
| containersPending | - | Number of pending containers in the cluster | |
| containersReserved | - | Number of reserved containers in the cluster | |
| Memory utilization | usageRatio | % | Current memory utilization of the cluster |
| Cores | allocatedVirtualCores | - | Number of allocated CPU cores in the cluster |
| availableVirtualCores | - | Number of available CPU cores in the cluster | |
| reservedVirtualCores | - | Number of reserved CPU cores in the cluster | |
| totalVirtualCores | - | Total number of CPU cores in the cluster | |
| CPU utilization | usageRatio | % | Current CPU utilization of the cluster |
| Launched AMs | AMLaunchDelayNumOps | - | Launched AMs |
| Average time for RM to launch AM | AMLaunchDelayAvgTime | ms | Average time for RM to launch AM |
| Total registered AMs | AMRegisterDelayNumOps | - | Total registered AMs |
| Average time for AM to register with RM | AMRegisterDelayAvgTime | ms | Average time for AM to register with RM |
| Queue CPU utilization | YARN.RM.QUEUE.VCORES.RATIO | - | Utilization of CPU allocated for the current queue |
| Queue memory utilization | YARN.RM.QUEUE.MEM.RATIO | - | Utilization of memory allocated for the current queue |
YARN - ResourceManager
| Title | Metric | Unit | Description |
|---|---|---|---|
| RPC authentications/authorizations | RpcAuthenticationFailures | - | Number of failed RPC authentications |
| RpcAuthenticationSuccesses | - | Number of successful RPC authentications | |
| RpcAuthorizationFailures | - | Number of failed RPC authorizations | |
| RpcAuthorizationSuccesses | - | Number of successful RPC authorizations | |
| Data received/sent by RPC | ReceivedBytes | bytes/s | Amount of data received by RPC |
| SentBytes | bytes/s | Amount of data sent by RPC | |
| RPC connections | NumOpenConnections | - | Current number of open connections |
| RPC requests | RpcProcessingTimeNumOps | - | Number of RPC requests |
| RpcQueueTimeNumOps | - | Number of RPC requests | |
| RPC queue length | CallQueueLength | - | Length of the current RPC queue |
| Average RPC processing time | RpcProcessingTimeAvgTime | s | Average RPC request processing time |
| RpcQueueTimeAvgTime | s | Average time of RPC in the queue | |
| GC count | YGC | - | Young GC count |
| FGC | - | Full GC count | |
| GC time | FGCT | s | Full GC time |
| GCT | s | Garbage collection time | |
| YGCT | s | Young GC time | |
| Memory zone proportion | S0 | % | Percentage of used Survivor 0 memory |
| E | % | Percentage of used Eden memory | |
| CCS | % | Percentage of used compressed class space memory | |
| S1 | % | Percentage of used Survivor 1 memory | |
| O | % | Percentage of used Old memory | |
| M | % | Percentage of used Metaspace memory | |
| JVM threads | ThreadsNew | - | Number of threads in NEW status |
| ThreadsRunnable | - | Number of threads in RUNNABLE status | |
| ThreadsBlocked | - | Number of threads in BLOCKED status | |
| ThreadsWaiting | - | Number of threads in WAITING status | |
| ThreadsTimedWaiting | - | Number of threads in TIMED WAITING status | |
| ThreadsTerminated | - | Number of threads in Terminated status | |
| JVM logs | LogFatal | - | Number of Fatal logs |
| LogError | - | Number of Error logs | |
| LogWarn | - | Number of Warn logs | |
| LogInfo | - | Number of Info logs | |
| JVM memory | MemNonHeapUsedM | MB | Non-heap memory size used by process |
| MemNonHeapCommittedM | MB | Non-heap memory size committed to process | |
| MemHeapUsedM | MB | Heap memory size used by process | |
| MemHeapCommittedM | MB | Heap memory size committed to process | |
| MemHeapMaxM | MB | Maximum heap memory size available to process | |
| MemMaxM | MB | Maximum memory size available to process | |
| CPU utilization | ProcessCpuLoad | % | CPU utilization |
| Cumulative CPU usage time | ProcessCpuTime | ms | Cumulative CPU usage time |
| File descriptors | MaxFileDescriptorCount | - | Maximum number of file descriptors |
| OpenFileDescriptorCount | - | Number of opened file descriptors | |
| Process execution duration | Uptime | s | Process execution duration |
| Worker threads | DaemonThreadCount | - | Number of daemon threads in the process |
| ThreadCount | - | Number of threads in the process | |
| Node status | haState | 1:Active,0:Standby | ResourceManager active/standby status |
| Active/Standby switch | switchOccurred | - | ResourceManager active/standby switch |
YARN - JobHistoryServer
| Title | Metric | Unit | Description |
|---|---|---|---|
| JVM threads | ThreadsNew | - | Number of threads in NEW status |
| ThreadsRunnable | - | Number of threads in RUNNABLE status | |
| ThreadsBlocked | - | Number of threads in BLOCKED status | |
| ThreadsWaiting | - | Number of threads in WAITING status | |
| ThreadsTimedWaiting | - | Number of threads in TIMED WAITING status | |
| ThreadsTerminated | - | Number of threads in Terminated status | |
| JVM logs | LogFatal | - | Number of FATAL-level logs |
| LogError | - | Number of ERROR-level logs | |
| LogWarn | - | Number of WARN-level logs | |
| LogInfo | - | Number of INFO-level logs | |
| JVM memory | MemNonHeapUsedM | MB | Non-heap memory size used by process |
| MemNonHeapCommittedM | MB | Non-heap memory size committed to process | |
| MemHeapUsedM | MB | Heap memory size used by process | |
| MemHeapCommittedM | MB | Heap memory size committed to process | |
| MemHeapMaxM | MB | Maximum heap memory size available to process | |
| MemMaxM | MB | Maximum memory size available to process | |
| GC count | YGC | - | Young GC count |
| FGC | - | Full GC count | |
| GC time | FGCT | s | Full GC time |
| GCT | s | Garbage collection time | |
| YGCT | s | Young GC time | |
| Memory zone proportion | S0 | % | Percentage of used Survivor 0 memory |
| E | % | Percentage of used Eden memory | |
| CCS | % | Percentage of used compressed class space memory | |
| S1 | % | Percentage of used Survivor 1 memory | |
| O | % | Percentage of used Old memory | |
| M | % | Percentage of used Metaspace memory | |
| CPU utilization | ProcessCpuLoad | % | CPU utilization |
| Cumulative CPU usage time | ProcessCpuTime | ms | Cumulative CPU usage time |
| File descriptors | MaxFileDescriptorCount | - | Maximum number of file descriptors |
| OpenFileDescriptorCount | - | Number of opened file descriptors | |
| Process execution duration | Uptime | s | Process execution duration |
| Worker threads | DaemonThreadCount | - | Number of daemon threads in the process |
| ThreadCount | - | Number of threads in the process |
YARN - NodeManager
| Title | Metric | Unit | Description |
|---|---|---|---|
| GC count | YGC | - | Young GC count |
| FGC | - | Full GC count | |
| GC time | FGCT | s | Full GC time |
| GCT | s | Garbage collection time | |
| YGCT | s | Young GC time | |
| Memory zone proportion | S0 | % | Percentage of used Survivor 0 memory |
| E | % | Percentage of used Eden memory | |
| CCS | % | Percentage of used compressed class space memory | |
| S1 | % | Percentage of used Survivor 1 memory | |
| O | % | Percentage of used Old memory | |
| M | % | Percentage of used Metaspace memory | |
| JVM threads | ThreadsNew | - | Number of threads in NEW status |
| ThreadsRunnable | - | Number of threads in RUNNABLE status | |
| ThreadsBlocked | - | Number of threads in BLOCKED status | |
| ThreadsWaiting | - | Number of threads in WAITING status | |
| ThreadsTimedWaiting | - | Number of threads in TIMED WAITING status | |
| ThreadsTerminated | - | Number of threads currently in TERMINATED status | |
| JVM logs | LogFatal | - | Number of FATAL-level logs |
| LogError | - | Number of ERROR-level logs | |
| LogWarn | - | Number of WARN-level logs | |
| LogInfo | - | Number of INFO-level logs | |
| JVM memory | MemNonHeapUsedM | MB | Non-heap memory size used by process |
| MemNonHeapCommittedM | MB | Non-heap memory size committed to process | |
| MemHeapUsedM | MB | Heap memory size used by process | |
| MemHeapCommittedM | MB | Heap memory size committed to process | |
| MemHeapMaxM | MB | Maximum heap memory size available to process | |
| MemMaxM | MB | Maximum memory size available to process | |
| Total containers | ContainersLaunched | - | Number of launched containers |
| ContainersCompleted | - | Number of completed containers | |
| ContainersFailed | - | Number of failed containers | |
| ContainersKilled | - | Number of killed containers | |
| ContainersIniting | - | Number of containers being initialized | |
| ContainersRunning | - | Number of running containers | |
| AllocatedContainers | - | Number of containers allocated by NodeManager | |
| Average container launch time | ContainerLaunchDurationAvgTime | ms | Average container launch time |
| Container launches | ContainerLaunchDurationNumOps | - | Container launches |
| CPU cores | AvailableVCores | - | Number of VCores available to NodeManager |
| AllocatedVCores | - | Number of VCores allocated by NodeManager | |
| Memory size | AllocatedGB | GB | Amount of memory allocated by NodeManager |
| AvailableGB | GB | Amount of memory available to NodeManager | |
| CPU utilization | ProcessCpuLoad | % | CPU utilization |
| Cumulative CPU usage time | ProcessCpuTime | ms | Cumulative CPU usage time |
| File descriptors | MaxFileDescriptorCount | - | Maximum number of file descriptors |
| OpenFileDescriptorCount | - | Number of opened file descriptors | |
| Process execution duration | Uptime | s | Process execution duration |
| Worker threads | DaemonThreadCount | - | Number of daemon threads in the process |
| ThreadCount | - | Number of threads in the process |
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