[jira] [Commented] (FLINK-4410) Split checkpoint times into synchronous and asynchronous part

["Ivan Mushketyk (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-4410?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15468721#comment-15468721 ] 

Ivan Mushketyk commented on FLINK-4410:
---------------------------------------

Hi [~uce].

Just to make sure that I understand correctly what do you mean by synchronous and asynchronous parts. Do I understand correctly that they are:
* synchronous - time span between checkpoint is initiated and the moment when TriggerCheckpoint messages are sent
* asynchronous - time between all TriggerCheckpoint messages are sent and all replies are received



> Split checkpoint times into synchronous and asynchronous part
> -------------------------------------------------------------
>
>                 Key: FLINK-4410
>                 URL: https://issues.apache.org/jira/browse/FLINK-4410
>             Project: Flink
>          Issue Type: Improvement
>          Components: Webfrontend
>            Reporter: Ufuk Celebi
>            Priority: Minor
>
> Checkpoint statistics contain the duration of a checkpoint. We should split this time into the synchronous and asynchronous part. This will give more insight into the inner workings of the checkpointing mechanism and help users better understand what's going on.



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