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Posted to yarn-issues@hadoop.apache.org by "Jim Brennan (Jira)" <ji...@apache.org> on 2020/11/03 14:24:00 UTC

[jira] [Updated] (YARN-10479) RMProxy should retry on SocketTimeout Exceptions

     [ https://issues.apache.org/jira/browse/YARN-10479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jim Brennan updated YARN-10479:
-------------------------------
    Attachment: YARN-10479.001.patch

> RMProxy should retry on SocketTimeout Exceptions
> ------------------------------------------------
>
>                 Key: YARN-10479
>                 URL: https://issues.apache.org/jira/browse/YARN-10479
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: yarn
>    Affects Versions: 2.10.1, 3.4.1
>            Reporter: Jim Brennan
>            Assignee: Jim Brennan
>            Priority: Major
>         Attachments: YARN-10479.001.patch
>
>
> During an incident involving a DNS outage, a large number of nodemanagers failed to come back into service because they hit a socket timeout when trying to re-register with the RM.
> SocketTimeoutException is not currently one of the exceptions that the RMProxy will retry.  Based on this incident, it seems like it should be.  We made this change internally about a year ago and it has been running in production since.



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