org.apache.flink.runtime.rest.handler.legacy.metrics

Interface MetricFetcher

All Known Implementing Classes:

MetricFetcherImpl, VoidMetricFetcher

public interface MetricFetcher

The MetricFetcher can be used to fetch metrics from the JobManager and all registered TaskManagers.

Metrics will only be fetched when update() is called, provided that a sufficient time since the last call has passed.

Method Summary

Modifier and Type	Method and Description
long	getLastUpdateTime()
MetricStore	getMetricStore() Get MetricStore which contains all currently fetched metrics.
void	update() Trigger fetching of metrics.

Method Detail

getMetricStore

MetricStore getMetricStore()

Get MetricStore which contains all currently fetched metrics.

Returns:

MetricStore with all fetched metrics

update

void update()

Trigger fetching of metrics.

getLastUpdateTime

long getLastUpdateTime()

Returns:

timestamp of the last update.