Elastic MapReduce
- Release Notes and Announcements
- Announcements
- Security Announcements
- Product Introduction
- Product release
- Purchase Guide
- EMR on CVM Billing Instructions
- EMR on TKE Billing Instructions
- EMR Serverless HBase Billing Instructions
- Getting Started
- EMR on CVM Operation Guide
- Planning Cluster
- Cross-AZ Cluster
- Configuring Cluster
- Administrative rights
- Managing Cluster
- Auto Scaling
- Disk Management
- Managing Service
- Configuration Management
- YARN Resource Scheduling
- Monitoring and Alarms
- Application Analysis
- Monitoring Metrics
- EMR on TKE Operation Guide
- Configuring Cluster
- Permission Management
- Cluster Management
- Service Management
- Configuration Management
- Monitoring and Ops
- Application Analysis
- EMR Serverless HBase Operation Guide
- Planning an Instance
- Managing an Instance
- Monitoring and Alarms
- Development Guide
- EMR Development Guide
- Hadoop Development Guide
- Spark Development Guide
- Hbase Development Guide
- Phoenix on Hbase Development Guide
- Hive Development Guide
- Basic Hive Operations
- Advanced Usage
- Presto Development Guide
- Sqoop Development Guide
- Hue 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
- Ranger User Guide
- Kafka Development Guide
- StarRocks Development Guide
- Flink Development Guide
- Practical Tutorial
- Practice of EMR on CVM Ops
- Data Migration
- Practical Tutorial on Custom Scaling
- Practical Tutorial on Setting Scaling Rules
- API Documentation
- Making API Requests
- Cluster Resource Management APIs
- Cluster Services APIs
- FAQs
- EMR on CVM
DocumentationElastic MapReduce EMR on CVM Operation GuideMonitoring and AlarmsMonitoring MetricsPresto Monitoring Metrics
Presto Monitoring Metrics
Last updated: 2023-12-27 14:50:22
Presto - overview
Title | Metric | Unit | Description |
Nodes | Active | - | Number of active nodes |
| Total | - | Total number of nodes |
| Failed | - | Number of failed nodes |
Query | RunningQueries | - | Total number of running queries |
| QueuedQueries | - | Total number of waiting queries |
Query frequency | FailedQueries | count/min | Total number of failed queries |
| AbandonedQueries | count/min | Total number of abandoned queries |
| CanceledQueries | count/min | Total number of canceled queries |
| CompletedQueries | count/min | Total number of completed queries |
| StartedQueries | count/min | Total number of started queries |
Data volume input/output per minute | InputDataSizeOneMinute | GB/min | Data input rate |
| OutputDataSizeOneMinute | GB/min | Data output rate |
Presto - worker
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 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 |
Data input/output rate | InputDataSize.OneMinute.Rate | GB/min | Data input rate |
| OutputDataSize.OneMinute.Rate | GB/min | Data output rate |
Processes | PeakThreadCount | - | Peak number of threads |
| ThreadCount | - | Number of threads |
| DaemonThreadCount | - | Number of backend threads |
Process execution duration | Uptime | s | Process execution duration |
Process start time | StartTime | s | Process start time |
File descriptors | MaxFileDescriptorCount | - | Maximum number of file descriptors |
| OpenFileDescriptorCount | - | Number of opened file descriptors |
Presto - coordinator
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 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 |
Processes | PeakThreadCount | - | Peak number of threads |
| ThreadCount | - | Number of threads |
| DaemonThreadCount | - | Number of backend threads |
Process execution duration | Uptime | s | Process execution duration |
Process start time | StartTime | s | Process start time |
File descriptors | MaxFileDescriptorCount | - | Maximum number of file descriptors |
| OpenFileDescriptorCount | - | Number of opened file descriptors |
Was this page helpful?
You can also Contact Sales or Submit a Ticket for help.
Yes
No