Package org.apache.flink.runtime.metrics.groups

Class TaskIOMetricGroup

  • All Implemented Interfaces:
    org.apache.flink.metrics.MetricGroup
    public class TaskIOMetricGroup
extends ProxyMetricGroup<TaskMetricGroup>
    Metric group that contains shareable pre-defined IO-related metrics. The metrics registration is forwarded to the parent task metric group.

    • Constructor Detail

      • TaskIOMetricGroup

        public TaskIOMetricGroup​(TaskMetricGroup parent,
                         org.apache.flink.util.clock.Clock clock)

    • Method Detail

      • createSnapshot

        public IOMetrics createSnapshot()

      • getNumBytesInCounter

        public org.apache.flink.metrics.Counter getNumBytesInCounter()

      • getNumBytesOutCounter

        public org.apache.flink.metrics.Counter getNumBytesOutCounter()

      • getNumRecordsInCounter

        public org.apache.flink.metrics.Counter getNumRecordsInCounter()

      • getNumRecordsOutCounter

        public org.apache.flink.metrics.Counter getNumRecordsOutCounter()

      • getNumBuffersOutCounter

        public org.apache.flink.metrics.Counter getNumBuffersOutCounter()

      • getNumFiredTimers

        public org.apache.flink.metrics.Counter getNumFiredTimers()

      • getNumMailsProcessedCounter

        public org.apache.flink.metrics.Counter getNumMailsProcessedCounter()

      • getIdleTimeMsPerSecond

        public TimerGauge getIdleTimeMsPerSecond()

      • getSoftBackPressuredTimePerSecond

        public TimerGauge getSoftBackPressuredTimePerSecond()

      • getHardBackPressuredTimePerSecond

        public TimerGauge getHardBackPressuredTimePerSecond()

      • getChangelogBusyTimeMsPerSecond

        public TimerGauge getChangelogBusyTimeMsPerSecond()

      • getBackPressuredTimeMsPerSecond

        public long getBackPressuredTimeMsPerSecond()

      • getAccumulatedBackPressuredTimeMs

        public long getAccumulatedBackPressuredTimeMs()

      • markTaskStart

        public void markTaskStart()

      • markTaskInitializationStarted

        public void markTaskInitializationStarted()

      • getTaskInitializationDuration

        @VisibleForTesting
public long getTaskInitializationDuration()
        Returns the duration of time required for a task's restoring/initialization, which reaches its maximum when the task begins running and remains constant throughout the task's running. Return 0 when the task is not in initialization/running status.

      • setEnableBusyTime

        public void setEnableBusyTime​(boolean enabled)

      • getMailboxThroughput

        public org.apache.flink.metrics.Meter getMailboxThroughput()

      • getMailboxLatency

        public org.apache.flink.metrics.Histogram getMailboxLatency()

      • getMailboxSize

        public org.apache.flink.metrics.Gauge<Integer> getMailboxSize()

      • reuseBytesInputCounter

        public void reuseBytesInputCounter​(org.apache.flink.metrics.Counter numBytesInCounter)

      • reuseBytesOutputCounter

        public void reuseBytesOutputCounter​(org.apache.flink.metrics.Counter numBytesOutCounter)

      • reuseRecordsInputCounter

        public void reuseRecordsInputCounter​(org.apache.flink.metrics.Counter numRecordsInCounter)

      • reuseRecordsOutputCounter

        public void reuseRecordsOutputCounter​(org.apache.flink.metrics.Counter numRecordsOutCounter)