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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-7207) Cache the local host name when getting application list in RM
Date Thu, 21 Sep 2017 02:15:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-7207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yufei Gu updated YARN-7207:
---------------------------
    Attachment: YARN-7207.001.patch

> Cache the local host name when getting application list in RM
> -------------------------------------------------------------
>
>                 Key: YARN-7207
>                 URL: https://issues.apache.org/jira/browse/YARN-7207
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: RM
>    Affects Versions: 3.1.0
>            Reporter: Yufei Gu
>            Assignee: Yufei Gu
>         Attachments: YARN-7207.001.patch
>
>
> {{getLocalHostName()}} is invoked for generating the report for each application, which
means it is called 1000 times for each {{getApplications()}} if there are 1000 apps in RM.
Some user got a performance issue when {{getLocalHostName()}} is slow under some network envs.



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