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https://issues.apache.org/jira/browse/HDFS-15211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17053453#comment-17053453
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Ayush Saxena commented on HDFS-15211:
-------------------------------------
Attached a test to reproduce the issue. Made a line change in the source code
to make sure atleast one streamer gets marked as slow. Which leads to the issue.
** This test reproduces the issue in Linux Only not windows(For Me)
> EC: File write hangs during close in case of Exception during updatePipeline
> ----------------------------------------------------------------------------
>
> Key: HDFS-15211
> URL: https://issues.apache.org/jira/browse/HDFS-15211
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 3.1.1, 3.3.0, 3.2.1
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Critical
> Attachments: TestToRepro-01.patch, Thread-Dump, Thread-Dump-02
>
>
> Ec file write hangs during file close, if there is a exception due to closure
> of slow stream, and number of data streamers failed increase more than parity
> block.
> Since in the close, the Stream will try to flush all the healthy streamers,
> but the streamers won't be having any result due to exception. and the
> streamers will stay stuck.
> Hence the close will also get stuck.
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