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ASF GitHub Bot commented on FLINK-5069: --------------------------------------- Github user greghogan commented on a diff in the pull request: https://github.com/apache/flink/pull/2809#discussion_r90306654 --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/CheckpointCoordinator.java --- @@ -957,4 +969,65 @@ public void run() { } }); } + + // ------------------------------------------------------------------------ + // pending checkpoints stats metrics + // ------------------------------------------------------------------------ + private class PendingCheckpointStatGauge implements Gauge<List<PendingCheckpointStats>> { --- End diff -- Can this be refactored into `org.apache.flink.runtime.metrics.util.MetricUtils`? > Pending checkpoint statistics gauge > ----------------------------------- > > Key: FLINK-5069 > URL: https://issues.apache.org/jira/browse/FLINK-5069 > Project: Flink > Issue Type: Improvement > Components: Metrics > Reporter: zhuhaifeng > Assignee: zhuhaifeng > Priority: Minor > Fix For: 1.2.0 > > > Add the statistics of pending checkpoints as a gauge metric. When the > checkpoint appears not to be completed, this metric would help to get the > state of a pending checkpoint , e.g which task did not complete the > checkpoint. > The statistic will be as the follows: > checkpointID, > Number Of Acknowledged Tasks, > Number Of Not yet Acknowledged Tasks, > The detail of not yet acknowledged JobVertexID, taskID -- This message was sent by Atlassian JIRA (v6.3.4#6332)