Package org.apache.flink.runtime.checkpoint.filemerging

Class FileMergingMetricGroup

java.lang.Object

org.apache.flink.runtime.metrics.groups.ProxyMetricGroup<org.apache.flink.metrics.MetricGroup>

org.apache.flink.runtime.checkpoint.filemerging.FileMergingMetricGroup

All Implemented Interfaces:

org.apache.flink.metrics.MetricGroup

@ThreadSafe
public class FileMergingMetricGroup
extends ProxyMetricGroup<org.apache.flink.metrics.MetricGroup>

Metrics related to the file merging snapshot manager. Thread-safety is required because it is used by multiple task threads.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	LOGICAL_FILE_COUNT
static final String	LOGICAL_FILE_SIZE
static final String	PHYSICAL_FILE_COUNT
static final String	PHYSICAL_FILE_SIZE

Fields inherited from class org.apache.flink.runtime.metrics.groups.ProxyMetricGroup

parentMetricGroup

Constructor Summary

Constructors

Constructor	Description
FileMergingMetricGroup(org.apache.flink.metrics.MetricGroup parentMetricGroup, FileMergingSnapshotManager.SpaceStat spaceStat)

Method Summary

Modifier and Type	Method	Description
void	registerMetrics(FileMergingSnapshotManager.SpaceStat spaceStat)

Methods inherited from class org.apache.flink.runtime.metrics.groups.ProxyMetricGroup

addGroup, addGroup, addSpan, counter, counter, gauge, getAllVariables, getMetricIdentifier, getMetricIdentifier, getScopeComponents, histogram, meter

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.metrics.MetricGroup

addGroup, counter, counter, gauge, histogram, meter

Field Details

LOGICAL_FILE_COUNT

@VisibleForTesting
public static final String LOGICAL_FILE_COUNT

See Also:

• Constant Field Values

LOGICAL_FILE_SIZE

@VisibleForTesting
public static final String LOGICAL_FILE_SIZE

See Also:

• Constant Field Values

PHYSICAL_FILE_COUNT

@VisibleForTesting
public static final String PHYSICAL_FILE_COUNT

See Also:

• Constant Field Values

PHYSICAL_FILE_SIZE

@VisibleForTesting
public static final String PHYSICAL_FILE_SIZE

See Also:

• Constant Field Values

Constructor Details

FileMergingMetricGroup

public FileMergingMetricGroup(org.apache.flink.metrics.MetricGroup parentMetricGroup,
 FileMergingSnapshotManager.SpaceStat spaceStat)

Method Details

registerMetrics

public void registerMetrics(FileMergingSnapshotManager.SpaceStat spaceStat)