Package org.apache.hadoop.ozone.container.common.helpers

Class CommandHandlerMetrics

java.lang.Object
org.apache.hadoop.ozone.container.common.helpers.CommandHandlerMetrics
All Implemented Interfaces:
org.apache.hadoop.metrics2.MetricsSource
@Private public final class CommandHandlerMetrics extends Object implements org.apache.hadoop.metrics2.MetricsSource
This class collects and exposes metrics for CommandHandlerMetrics.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    SOURCE_NAME
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static CommandHandlerMetrics
    create(Map<org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMCommandProto.Type,CommandHandler> handlerMap)
    Creates a new instance of CommandHandlerMetrics and registers it to the DefaultMetricsSystem.
    void
    getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector, boolean all)
     
    void
    increaseCommandCount(org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMCommandProto.Type type)
    Increases the count of received commands for the specified command type.
    void
    unRegister()
     

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Field Details

    • SOURCE_NAME

      public static final String SOURCE_NAME

  • Method Details

    • create

      public static CommandHandlerMetrics create(Map<org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMCommandProto.Type,CommandHandler> handlerMap)
      Creates a new instance of CommandHandlerMetrics and registers it to the DefaultMetricsSystem.
      Parameters:
      handlerMap - the map of command types to their corresponding command handlers
      Returns:
      the registered instance of CommandHandlerMetrics

    • increaseCommandCount

      public void increaseCommandCount(org.apache.hadoop.hdds.protocol.proto.StorageContainerDatanodeProtocolProtos.SCMCommandProto.Type type)
      Increases the count of received commands for the specified command type.
      Parameters:
      type - the type of the command for which the count should be increased

    • getMetrics

      public void getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector, boolean all)
      Specified by:
      getMetrics in interface org.apache.hadoop.metrics2.MetricsSource

    • unRegister

      public void unRegister()