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From "Jiayi Liao (Jira)" <j...@apache.org>
Subject [jira] [Comment Edited] (FLINK-14470) Watermark display not working with high parallelism job
Date Mon, 21 Oct 2019 03:23:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-14470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16955718#comment-16955718
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Jiayi Liao edited comment on FLINK-14470 at 10/21/19 3:22 AM:
--------------------------------------------------------------

[~thw][~vthinkxie]  Actually I think we should check FLINK-14147 first and see how much redundancy
we can remove.  For example, assuming that we can only list like 4,000 vertices' watermark
at most, then we should make watermark board blank, otherwise the browse will become very
slow even if we list them all.


was (Author: wind_ljy):
[~thw][~vthinkxie]  Actually I think we should check FLINK-14147 first and see how much redundancy
we can remove.  For example, if we can only list like 4,000 vertices' watermark at most, then
we should make watermark board blank, otherwise the browse will become very slow even if we
list them all.

> Watermark display not working with high parallelism job
> -------------------------------------------------------
>
>                 Key: FLINK-14470
>                 URL: https://issues.apache.org/jira/browse/FLINK-14470
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Web Frontend
>    Affects Versions: 1.8.2, 1.9.1
>            Reporter: Thomas Weise
>            Assignee: Yadong Xie
>            Priority: Major
>
> Watermarks don't display in the UI when the job graph has many vertices. The REST API
call to fetch currentInputWatermark fails as it enumerates each subtask, which obviously fails
beyond a limit. With the new UI that can be noticed through a flickering error message in
the upper right corner.



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