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Posted to issues@flink.apache.org by "Piotr Nowojski (Jira)" <ji...@apache.org> on 2019/12/05 10:04:00 UTC

[jira] [Assigned] (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 ]

Piotr Nowojski reassigned FLINK-13955:
--------------------------------------

    Assignee: Roman Khachatryan

> 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
>            Assignee: Roman Khachatryan
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> 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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