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From "Piotr Nowojski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-10047) Checkpointing takes much longer with credit base flow control.
Date Fri, 10 Aug 2018 14:03:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-10047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16576320#comment-16576320
] 

Piotr Nowojski commented on FLINK-10047:
----------------------------------------

[~zjwang] at the moment it seems that this is not a problem of credit base flow control.
Still investigating this. I will keep you posted :)

> Checkpointing takes much longer with credit base flow control.
> --------------------------------------------------------------
>
>                 Key: FLINK-10047
>                 URL: https://issues.apache.org/jira/browse/FLINK-10047
>             Project: Flink
>          Issue Type: Bug
>          Components: Network
>    Affects Versions: 1.5.0, 1.5.1, 1.5.2
>            Reporter: Piotr Nowojski
>            Priority: Critical
>
> As reported by an user, in some scenario it looks like checkpointing takes significantly
more time (~40 minutes compared to ~2 minutes in Flink 1.4). Probably throughput is also lower.
> We are waiting for more logs with detailed Flink's metrics to get more insight.



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