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    PrestoSQL Monitoring Metrics

    Last updated: 2022-05-16 12:45:12
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      Note：

      Currently, only PrestoSQL v322, PrestoSQL v350, and later support PrestoSQL metrics.

      PrestoSQL - 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

      PrestoSQL - 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 - Total number of threads
      DaemonThreadCount - Number of daemon 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

      PrestoSQL - 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
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