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Posted to issues@flink.apache.org by "Till Rohrmann (JIRA)" <ji...@apache.org> on 2019/07/26 08:21:00 UTC

[jira] [Assigned] (FLINK-13384) The back pressure monitoring does not work for StreamSources

     [ https://issues.apache.org/jira/browse/FLINK-13384?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Till Rohrmann reassigned FLINK-13384:
-------------------------------------

    Assignee: Gary Yao  (was: Dawid Wysakowicz)

> The back pressure monitoring does not work for StreamSources
> ------------------------------------------------------------
>
>                 Key: FLINK-13384
>                 URL: https://issues.apache.org/jira/browse/FLINK-13384
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Metrics, Runtime / Task
>    Affects Versions: 1.9.0
>            Reporter: Dawid Wysakowicz
>            Assignee: Gary Yao
>            Priority: Blocker
>             Fix For: 1.9.0
>
>
> I think it is caused by: [FLINK-12483]. The reason is that the {{BackPressureStatsTrackerImpl}} samples only the main thread. FLINK-12483 introduced a separate thread for executing the sources in the mailbox model. It is similar to other old bug that concerned only Kafka source: [FLINK-3456]



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