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- 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
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- Service Level Agreement
- Contact Us
Note:
Currently, only Impala v3.4.0 and later support Impala metrics.
Impala - catalog
Title | Metric | Unit | Description |
Resident set size | RSS | bytes | Resident set size |
JVM memory | MemHeapInitM | MB | Peak size of initial JVM HeapMemory |
| MemHeapCommittedM | MB | Size of HeapMemory currently committed by JVM |
| MemHeapMaxM | MB | Size of HeapMemory configured by JVM |
| MemHeapUsedM | MB | Size of HeapMemory currently used by JVM |
| MemNonHeapInitM | MB | Size of initial JVM NonHeapMemory |
| MemNonHeapCommittedM | MB | Size of NonHeapMemory currently committed by JVM |
| MemNonHeapUsedM | MB | Size of NonHeapMemory currently used by JVM |
Interval between heartbeats from the daemon process to StateStore | Last | s | Latest interval between heartbeats from the daemon process to StateStore |
| Max | s | Maximum interval between heartbeats from the daemon process to StateStore |
| Mean | s | Average interval between heartbeats from the daemon process to StateStore |
| Min | s | Minimum interval between heartbeats from the daemon process to StateStore |
| Stddev | s | Standard deviation in the interval between heartbeats from the daemon process to StateStore |
TCMalloc memory | Used | bytes | Number of bytes used by the program |
| PageheapFreeBytes | bytes | Number of bytes of free mapped pages in the page heap |
| PageheapUnmappedBytes | bytes | Number of bytes of free unmapped pages in the page heap |
| PhysicalBytesReserved | bytes | Amount of physical memory used by the process |
| TotalBytesReserved | bytes | Number of bytes of system memory reserved by TCMalloc |
Active connections | Thrift_Server_Connections_Used | - | Number of active connections |
Process execution duration | Uptime | s | Process execution duration |
File descriptors | MaxFileDescriptorCount | - | Maximum number of file descriptors |
| OpenFileDescriptorCount | - | Number of opened file descriptors |
Threads | ThreadCount | - | Total number of threads |
| DaemonThreadCount | - | Number of daemon threads |
CPU utilization | SystemCpuLoad | - | System CPU Utilization |
Impala - StateStore
Title | Metric | Unit | Description |
Resident set size | RSS | bytes | Resident set size |
TCMalloc memory | Used | bytes | Number of bytes used by the program |
| PageheapFreeBytes | bytes | Number of bytes of free mapped pages in the page heap |
| PageheapUnmappedBytes | bytes | Number of bytes of free unmapped pages in the page heap |
| PhysicalBytesReserved | bytes | Amount of physical memory used by the process |
| TotalBytesReserved | bytes | Number of bytes of system memory reserved by TCMalloc |
Connections | Used | - | Number of active connections |
Running threads | Count | - | Number of running threads |
StateStore subscribers | Count | - | Number of StateStore subscribers |
Impala - daemon
Title | Metric | Unit | Description |
JVM memory | MemHeapInitM | MB | Peak size of initial JVM HeapMemory |
| MemHeapCommittedM | MB | Size of HeapMemory currently committed by JVM |
| MemHeapMaxM | MB | Size of HeapMemory configured by JVM |
| MemHeapUsedM | MB | Size of HeapMemory currently used by JVM |
| MemNonHeapInitM | MB | Size of initial JVM NonHeapMemory |
| MemNonHeapCommittedM | MB | Size of NonHeapMemory currently committed by JVM |
| MemNonHeapUsedM | MB | Size of NonHeapMemory currently used by JVM |
TCMalloc memory | Used | bytes | Number of bytes used by the program |
| PageheapFreeBytes | bytes | Number of bytes of free mapped pages in the page heap |
| PageheapUnmappedBytes | bytes | Number of bytes of free unmapped pages in the page heap |
| PhysicalBytesReserved | bytes | Amount of physical memory used by the process |
| TotalBytesReserved | bytes | Number of bytes of system memory reserved by TCMalloc |
Threads | ThreadCount | - | Total number of threads |
| DaemonThreadCount | - | Number of daemon threads |
Process execution duration | Uptime | s | Process execution duration |
File descriptors | MaxFileDescriptorCount | - | Maximum number of file descriptors |
| OpenFileDescriptorCount | - | Number of opened file descriptors |
CPU utilization | SystemCpuLoad | - | System CPU Utilization |
Beeswax API client connections | Use | - | Number of active Beeswax API connections |
| Conn_In_Use | - | Number of active Beeswax API connections to this Impala daemon |
| TotalConns | - | Total number of active Beeswax API connections to this Impala daemon |
| ConnSetupQueueSize | - | Number of Beeswax API connections that this Impala daemon has received and are waiting to establish |
HS2 API client connections | Use | - | Number of active HS2 API connections |
| Conn_In_Use | - | Number of active HS2 API connections |
| TotalConns | - | Total number of HS2 API connections this Impala daemon has established during the lifecycle |
| ConnSetupQueueSize | - | Number of HS2 API connections that this Impala daemon has received and are waiting to establish |
Thread manager | RunningThreads | - | Number of running threads |
| TotalCreatedThreads | - | Number of threads created during the lifecycle |
Memory manager limit | Limit | Bytes | Memory beyond the memory limit (default value: -1) |
Amount of memory beyond the memory limit (default value: -1) | OverLimit | Bytes | Number of threads created during the lifecycle |
HS2 API client wait time for connection establishment | P20 | us | HS2 API client wait time for connection establishment |
| | | P50 |
| | | P70 |
| | | P90 |
| | | P95 |
| | | P99.9 |
Beeswax API client wait time for service thread establishment | P20 | us | Beeswax API client wait time for service thread establishment |
| | | P50 |
| | | P70 |
| | | P90 |
| | | P95 |
| | | P99.9 |
Timed-out Beeswax API connections | TimeOutCnncRequests | - | Number of timed-out Beeswax API connections |
Time spent parsing requests from request pool (milliseconds) | Total | ms | Time spent parsing requests from request pool (milliseconds) |
Cache misses in external data source cache class | Misses | - | Number of cache misses in external data source cache class |
Impala backend server connection requests that timed out waiting for setup | ConnSetupQueueSize | - | Number of Impala backend server connection requests that timed out waiting for setup |
Impala backend connection requests that timed out waiting for setup | TimeOutCnncRequests | - | Number of Impala backend connection requests that timed out waiting for setup |
Total Impala backend client connections to this Impala daemon | TotalConnections | - | Total number of Impala backend client connections to this Impala daemon |
Time spent by Impala backend client waiting for connection establishment | P20 | us | Time spent by Impala backend client waiting for connection establishment |
| | | P50 |
| | | P70 |
| | | P90 |
| | | P95 |
| | | P99.9 |
| | | Count |
| | | Sum |
Time spent by Impala backend client waiting for service thread | P20 | us | Time spent by Impala backend client waiting for service thread |
| | | P50 |
| | | P70 |
| | | P90 |
| | | P95 |
| | | P99.9 |
| | | Count |
| | | Sum |
HS2 API client wait time for service thread establishment | P20 | us | HS2 API client wait time for service thread establishment |
| | | P50 |
| | | P70 |
| | | P90 |
| | | P95 |
| | | P99.9 |
| | | Count |
| | | Sum |
HS2 HTTP API client wait time for service thread | P20 | us | HS2 HTTP API client wait time for service thread |
| | | P50 |
| | | P70 |
| | | P90 |
| | | P95 |
| | | P99.9 |
| | | Count |
| | | Sum |
DataStreamService: Rejected service queue overflows | RpcsQueueOverflow | - | DataStreamService: Number of rejected service queue overflows |
ControlStreamService: Rejected service queue overflows | RpcsQueueOverflow | - | ControlStreamService: Number of rejected service queue overflows |
DataStreamService: Used bytes | PeakUsageBytes | Bytes | Peak number of bytes used by Memtracker DataStreamService |
| CurrentUsageBytes | Bytes | Current number of bytes used by Memtracker DataStreamService |
ControlService: Used bytes | PeakUsageBytes | Bytes | Peak number of bytes used by Memtracker ControlService |
| CurrentUsageBytes | Bytes | Current number of bytes used by Memtracker ControlService |
Resident set size (RSS) for this process | RSS | Bytes | Resident set size (RSS) for this process |
Total backends registered in StateStore | Total | - | Total number of backends registered in StateStore |
Query release delay | P20 | us | Query release delay |
| | | P50 |
| | | P70 |
| | | P90 |
| | | P95 |
| | | P99.9 |
| | | Count |
| | | Sum |
Opened HDFS filed | NumFilesOpenForInsert | - | Number of opened HDFS files |
Scan range read during the lifecycle of the process | ScanRangesTotal | - | Scan range read during the lifecycle of the process |
Opened Beeswax sessions | NumOpenBeeswaxSessions | - | Number of opened Beeswax sessions |
Total query fragments processed during the lifecycle of the process | NumFragments | - | Total number of query fragments processed during the lifecycle of the process |
Total scan ranges read during the lifecycle of the process without volume metadata | ScanRangesNumMissingVolumId | - | Total number of scan ranges read during the lifecycle of the process without volume metadata |
Hedged read attempts | HedgedReadOps | - | Number of hedged read attempts |
Total queries processed during the lifecycle of the process | NumQueries | - | Total number of queries processed during the lifecycle of the process |
Total rows supporting caching HS2 FETCH_FIRST | ResultSetCacheTotalNumRows | - | Total number of rows supporting caching HS2 FETCH_FIRST |
Total queries registered on this Impala server | NumQueriesRegistered | - | Total number of queries registered on this Impala server |
Total backend queries | NumQueriesExecuted | - | Total number of backend queries |
Sessions terminated due to inactivity | NumSessionsExpired | - | Number of sessions terminated due to inactivity |
Queries terminated due to inactivity | NumQueriesExpired | - | Number of queries terminated due to inactivity |
Opened HS2 sessions | NumOpenHS2Sessions | - | Number of opened HS2 sessions |
Tables in catalog | NumTables | - | Number of tables in catalog |
Databases in catalog | NumDatabases | - | Number of databases in catalog |
Bytes written to the disk by the I/O manager | BytesWritten | - | Number of bytes written to the disk by the I/O manager |
Files opened by the I/O manager | NumOpenFiles | - | Number of files opened by the I/O manager |
Used HDFS file handles | NumFileHandlesOutstanding | Bytes | Number of used HDFS file handles |
Read local bytes | LocalBytesRead | Bytes | Number of local bytes read by the I/O manager |
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