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https://issues.apache.org/jira/browse/FLINK-13955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17033508#comment-17033508
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Piotr Nowojski edited comment on FLINK-13955 at 2/10/20 11:31 AM:
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Temporary solution merged as commit 2e96ee7 into apache:master.
Proper solution will be to rewrite {{ContinuousFileReaderOperator}} using
FLIP-27.
was (Author: pnowojski):
merged commit 2e96ee7 into apache:master
> 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
> Fix For: 1.11.0
>
> Time Spent: 20m
> 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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