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Date: Thu, 13 Oct 2016 13:35:20 +0000 (UTC)
From: "Robert Metzger (JIRA)" <jira@apache.org>
To: issues@flink.apache.org
Message-ID: <JIRA.12997859.1471427195000.816862.1476365720814@Atlassian.JIRA>
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References: <JIRA.12997859.1471427195000@Atlassian.JIRA> <JIRA.12997859.1471427195679@arcas>
Subject: [jira] [Assigned] (FLINK-4410) Report more information about
 operator checkpoints
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archived-at: Thu, 13 Oct 2016 13:35:22 -0000


     [ https://issues.apache.org/jira/browse/FLINK-4410?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Metzger reassigned FLINK-4410:
-------------------------------------

    Assignee: Robert Metzger

> Report more information about operator checkpoints
> --------------------------------------------------
>
>                 Key: FLINK-4410
>                 URL: https://issues.apache.org/jira/browse/FLINK-4410
>             Project: Flink
>          Issue Type: Improvement
>          Components: State Backends, Checkpointing, Webfrontend
>    Affects Versions: 1.1.2
>            Reporter: Ufuk Celebi
>            Assignee: Robert Metzger
>             Fix For: 1.2.0
>
>
> Checkpoint statistics contain the duration of a checkpoint, measured as from the CheckpointCoordinator's start to the point when the acknowledge message came.
> We should additionally expose
>   - duration of the synchronous part of a checkpoint
>   - duration of the asynchronous part of a checkpoint
>   - number of bytes buffered during the stream alignment phase
>   - duration of the stream alignment phase
> Note: In the case of using *at-least once* semantics, the latter two will always be zero.


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