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https://issues.apache.org/jira/browse/FLINK-19462?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17247326#comment-17247326
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Roman Khachatryan commented on FLINK-19462:
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I've created a mini-design
[doc|https://docs.google.com/document/d/1NVAzo7kATqh9HOomVhEkU-a89DLjbtILIH25g_vkujY/edit?usp=sharing]
to clarify the requirements and discuss the design.
Can you take a look [~NicoK]?
cc: [~pnowojski], [~trohrmann] you probably would also like to take a look
> Checkpoint statistics for unfinished task snapshots
> ---------------------------------------------------
>
> Key: FLINK-19462
> URL: https://issues.apache.org/jira/browse/FLINK-19462
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / Checkpointing, Runtime / Metrics
> Reporter: Nico Kruber
> Priority: Major
> Labels: usability
>
> If a checkpoint times out, there are currently no stats on the
> not-yet-finished tasks in the Web UI, so you have to crawl into (debug?) logs.
> It would be nice to have these incomplete stats in there instead so that you
> know quickly what was going on. I could think of these ways to accomplish
> this:
> * the checkpoint coordinator could ask the TMs for it after failing the
> checkpoint or
> * the TMs could send the stats when they notice that the checkpoint is
> aborted
> Maybe there are more options, but I think, this improvement in general would
> benefit debugging checkpoints.
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