- 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
- Cluster Scale-Out
- Cluster Scale-in
- Auto Scaling
- Repairing Disks
- Graceful Scale-In
- Disk Update Check
- Scaling up Cloud Disks
- Changing Configurations
- Automatic Replacement
- Exporting Software Configuration
- Cluster Scripts
- Cluster Termination
- Operation Logs
- Task Center
- Managing Service
- Managing Users
- Adding Components
- Restarting Service
- Starting/Stopping Services
- WebUI Access
- Resetting WebUI Password
- Software WebUI Entry
- Operation Guide for Access to WebUI over Private Network
- Role Management
- Client Management
- Configuration Management
- YARN Resource Scheduling
- HBase RIT Fixing
- Component Port Information
- Service Operation
- HBase Table-Level Monitoring
- Component Health Status
- Monitoring and Alarms
- Cluster Overview
- Node Status
- Service Status
- Cluster Event
- Log
- Application Analysis
- Cluster Inspection
- 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
- Container-Based EMR
- 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 Best Practices
- 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
- ClickHouse Development Guide
- Druid Development Guide
- TensorFlow Development Guide
- Jupyter Development Guide
- Kudu Development Guide
- Ranger Development Guide
- Doris Development Guide
- Kafka Development Guide
- Iceberg Development Guide
- StarRocks Development Guide
- Flink Development Guide
- RSS Development Guide
- Hadoop Development Guide
- Best Practices
- 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
- Cluster Scale-Out
- Cluster Scale-in
- Auto Scaling
- Repairing Disks
- Graceful Scale-In
- Disk Update Check
- Scaling up Cloud Disks
- Changing Configurations
- Automatic Replacement
- Exporting Software Configuration
- Cluster Scripts
- Cluster Termination
- Operation Logs
- Task Center
- Managing Service
- Managing Users
- Adding Components
- Restarting Service
- Starting/Stopping Services
- WebUI Access
- Resetting WebUI Password
- Software WebUI Entry
- Operation Guide for Access to WebUI over Private Network
- Role Management
- Client Management
- Configuration Management
- YARN Resource Scheduling
- HBase RIT Fixing
- Component Port Information
- Service Operation
- HBase Table-Level Monitoring
- Component Health Status
- Monitoring and Alarms
- Cluster Overview
- Node Status
- Service Status
- Cluster Event
- Log
- Application Analysis
- Cluster Inspection
- 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
- Container-Based EMR
- 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 Best Practices
- 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
- ClickHouse Development Guide
- Druid Development Guide
- TensorFlow Development Guide
- Jupyter Development Guide
- Kudu Development Guide
- Ranger Development Guide
- Doris Development Guide
- Kafka Development Guide
- Iceberg Development Guide
- StarRocks Development Guide
- Flink Development Guide
- RSS Development Guide
- Hadoop Development Guide
- Best Practices
- API Documentation
- FAQs
- Service Level Agreement
- Contact Us
Alluxio - cluster
Title | Metric | Unit | Description |
Total data reads and writes | BytesReadAlluxio | Bytes | Total number of bytes read from Alluxio storage reported by all workers |
| BytesReadUfsAll | Bytes | Total number of bytes read by all workers from all Alluxio UFSes |
| BytesWrittenAlluxio | Bytes | Total number of bytes written to Alluxio storage in all workers |
| BytesWrittenUfsAll | Bytes | Total number of bytes written to all Alluxio UFSes by all workers |
Data read and write throughput | BytesReadAlluxioThroughput | Bytes | Data read throughput from Alluxio storage by all workers |
| BytesReadUfsThroughput | Bytes | Read throughput from all Alluxio UFSes by all workers |
| BytesWrittenAlluxioThroughput | Bytes | Data write throughput to Alluxio storage by all workers |
| BytesWrittenUfsThroughput | Bytes | Write throughput to all Alluxio UFSes by all workers |
Worker capacity on tiers | CapacityFree | Bytes | Total number of free bytes on all tiers of all workers |
| CapacityTotal | Bytes | Total capacity on all tiers of all workers |
| CapacityUsed | Bytes | Total number of used bytes on all tiers of all workers |
Total workers | Workers | - | Total number of active workers inside the cluster |
Alluxio - master
Title | Metric | Unit | Description |
CompleteFile operation | CompleteFileOps | - | Total number of CompleteFile operations |
| FilesCompleted | - | Total number of successful CompleteFile operations |
CreateDirectory operation | CreateDirectoryOps | - | Total number of CreateDirectory operations |
| DirectoriesCreated | - | Total number of successful CreateDirectory operations |
CreateFile operation | CreateFileOps | - | Total number of CreateFile operations |
| FilesCreated | - | Total number of successful CreateFile operations |
Delete operation | DeletePathOps | - | Total number of Delete operations |
| PathsDeleted | - | Total number of successful Delete operations |
FreeFile operation | FreeFileOps | - | Total number of FreeFile operations |
| FilesFreed | - | Total number of successful FreeFile operations |
GetFileBlockInfo operation | GetFileBlockInfoOps | - | Total number of GetFileBlockInfo operations |
| FileBlockInfosGot | - | Total number of successful GetFileBlockInfo operations |
GetFileInfo operation | GetFileInfoOps | - | Total number of GetFileInfo operations |
| FileInfosGot | - | Total number of successful GetFileInfo operations |
GetNewBlock operation | GetNewBlockOps | - | Total number of GetNewBlock operations |
| NewBlocksGot | - | Total number of successful GetNewBlock operations |
Mount operation | MountOps | - | Total number of Mount operations |
| PathsMounted | - | Total number of successful Mount operations |
Unmount operation | UnmountOps | - | Total number of Unmount operations |
| PathsUnmounted | - | Total number of successful Unmount operations |
Rename operation | RenamePathOps | - | Total number of Rename operations |
| PathsRenamed | - | Total number of successful Rename operations |
SetAcl operation | SetAclOps | - | Total number of SetAcl operations |
SetAttribute operation | SetAttributeOps | - | Total number of SetAttribute operations |
Total files | FilesPersisted | - | Total number of successfully persisted files |
| FilesPinned | - | Total number of currently pinned files |
Total file directories | TotalPaths | - | Total number of files and directories in the Alluxio namespace |
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 memory | MemNonHeapUsedM | MB | Size of NonHeapMemory currently used by JVM |
| MemNonHeapCommittedM | MB | Size of NonHeapMemory currently committed by JVM |
| MemHeapUsedM | MB | Size of HeapMemory currently used by JVM |
| MemHeapCommittedM | MB | Size of HeapMemory currently committed by JVM |
| MemHeapMaxM | MB | Size of HeapMemory configured by JVM |
| MemHeapInitM | MB | Size of initial JVM HeapMem |
| MemNonHeapInitM | MB | Size of initial JVM NonHeapMem |
Alluxio - worker
Title | Metric | Unit | Description |
Async cache request | AsyncCacheDuplicateRequests | - | Total number of duplicate async cache requests received by worker |
| AsyncCacheRequests | - | Total number of async cache requests received by worker |
Async cache blocks | AsyncCacheFailedBlocks | - | Total number of failed async cache blocks in worker |
| AsyncCacheRemoteBlocks | - | Total number of blocks that need to be asynchronously cached from remote sources |
| AsyncCacheSucceededBlocks | - | Total number of blocks that were asynchronously cached successfully in the worker |
| AsyncCacheUfsBlocks | - | Total number of blocks that need to be asynchronously cached from local sources |
Blocks | BlocksAccessed | - | Total number of blocks accessed in worker |
| BlocksCached | - | Total number of blocks used for caching data in worker |
| BlocksCancelled | - | Total number of temporary blocks canceled in worker |
| BlocksDeleted | - | Total number of blocks deleted from worker by external requests |
| BlocksEvicted | - | Total number of blocks evicted from worker |
| BlocksLost | - | Total number of blocks lost in worker |
| BlocksPromoted | - | Total number of blocks moved to a new tier in worker |
Worker capacity on tiers | CapacityFree | Bytes | Total free bytes on all tiers of worker |
| CapacityTotal | Bytes | Total capacity on all tiers of worker |
| CapacityUsed | Bytes | Total used bytes on all tiers of worker |
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 memory | MemNonHeapUsedM | MB | Size of NonHeapMemory currently used by JVM |
| MemNonHeapCommittedM | MB | Size of NonHeapMemory currently committed by JVM |
| MemHeapUsedM | MB | Size of HeapMemory currently used by JVM |
| MemHeapCommittedM | MB | Size of HeapMemory currently committed by JVM |
| MemHeapMaxM | MB | Size of HeapMemory configured by JVM |
| MemHeapInitM | MB | Size of initial JVM HeapMem |
| MemNonHeapInitM | MB | Size of initial JVM NonHeapMem |
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