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Posted to issues@flink.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2019/12/05 09:04:00 UTC

[jira] [Updated] (FLINK-13955) Integrate ContinuousFileReaderOperator with StreamTask mailbox execution model

     [ https://issues.apache.org/jira/browse/FLINK-13955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated FLINK-13955:
-----------------------------------
    Labels: pull-request-available  (was: )

> Integrate ContinuousFileReaderOperator with StreamTask mailbox execution model
> ------------------------------------------------------------------------------
>
>                 Key: FLINK-13955
>                 URL: https://issues.apache.org/jira/browse/FLINK-13955
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / Task
>            Reporter: Alex
>            Priority: Major
>              Labels: pull-request-available
>
> The {{ContinuousFileReaderOperator}} spawns an additional ({{reader}}) thread and coordinates actions with it via {{checkpointLock}}. The operator may block, waiting for a notification from the {{reader}} thread, potentially preventing progress in mailbox loop.
> This is similar to {{AsyncWaitOperator}} situation described in FLINK-12958.



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