You are viewing a plain text version of this content. The canonical link for it is here.

Posted to common-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2014/01/29 21:22:19 UTC

[jira] [Updated] (HADOOP-9747) Reduce unnecessary UGI synchronization

     [ https://issues.apache.org/jira/browse/HADOOP-9747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Lowe updated HADOOP-9747:
-------------------------------

    Target Version/s: 3.0.0, 0.23.11, 2.4.0  (was: 3.0.0, 0.23.11)

> Reduce unnecessary UGI synchronization
> --------------------------------------
>
>                 Key: HADOOP-9747
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9747
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: security
>    Affects Versions: 0.23.0, 2.0.0-alpha, 3.0.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Critical
>
> Jstacks of heavily loaded NNs show up to dozens of threads blocking in the UGI.



--
This message was sent by Atlassian JIRA
(v6.1.5#6160)