[jira] [Commented] (HADOOP-18324) Interrupting RPC Client calls can lead to thread exhaustion

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-18324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17685922#comment-17685922 ] 

ASF GitHub Bot commented on HADOOP-18324:
-----------------------------------------

steveloughran opened a new pull request, #5369:
URL: https://github.com/apache/hadoop/pull/5369

   
   
   Pulling HADOOP-18324 out of this release because of the problems of HDFS-16853
   
   This reverts commit bc4d7b47747f58d8b0973c18a148be74df3e6c9a.
   
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> Interrupting RPC Client calls can lead to thread exhaustion
> -----------------------------------------------------------
>
>                 Key: HADOOP-18324
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18324
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: ipc
>    Affects Versions: 3.4.0, 2.10.2, 3.3.3
>            Reporter: Owen O'Malley
>            Assignee: Owen O'Malley
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 3.4.0, 3.3.5, 2.10.3
>
>          Time Spent: 2h 50m
>  Remaining Estimate: 0h
>
> Currently the IPC client creates a boundless number of threads to write the rpc request to the socket. The NameNode uses timeouts on its RPC calls to the Journal Node and a stuck JN will cause the NN to create an infinite set of threads.



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