[jira] [Created] (FLINK-7626) Add some metric description about checkpoints

[Shang Yuanchun (Jira)]

Hai Zhou created FLINK-7626:
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             Summary: Add some metric description about checkpoints
                 Key: FLINK-7626
                 URL: https://issues.apache.org/jira/browse/FLINK-7626
             Project: Flink
          Issue Type: Bug
          Components: Documentation, Metrics
    Affects Versions: 1.3.2
            Reporter: Hai Zhou
            Assignee: Hai Zhou
             Fix For: 1.4.0, 1.3.3


Add some metric description in"Debugging & Monitoring / Metrics"  part of  docs:

{noformat}

//Number of total checkpoints (in progress, completed, failed)
totalNumberOfCheckpoints

 //Number of in progress checkpoints.
numberOfInProgressCheckpoints

//Number of successfully completed checkpoints
numberOfCompletedCheckpoints

//Number of failed checkpoints.
numberOfFailedCheckpoints

//Timestamp when the checkpoint was restored at the coordinator.
lastCheckpointRestoreTimestamp

//Buffered bytes during alignment over all subtasks.
lastCheckpointAlignmentBuffered
{noformat}




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