hadoop-yarn-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-1771) many getFileStatus calls made from node manager for localizing a public distributed cache resource
Date Fri, 14 Mar 2014 17:42:43 GMT

     [ https://issues.apache.org/jira/browse/YARN-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Douglas updated YARN-1771:
--------------------------------

    Fix Version/s: 2.5.0

> many getFileStatus calls made from node manager for localizing a public distributed cache
resource
> --------------------------------------------------------------------------------------------------
>
>                 Key: YARN-1771
>                 URL: https://issues.apache.org/jira/browse/YARN-1771
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>    Affects Versions: 2.3.0
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
>            Priority: Critical
>             Fix For: 3.0.0, 2.4.0, 2.5.0
>
>         Attachments: yarn-1771.patch, yarn-1771.patch, yarn-1771.patch, yarn-1771.patch
>
>
> We're observing that the getFileStatus calls are putting a fair amount of load on the
name node as part of checking the public-ness for localizing a resource that belong in the
public cache.
> We see 7 getFileStatus calls made for each of these resource. We should look into reducing
the number of calls to the name node. One example:
> {noformat}
> 2014-02-27 18:07:27,351 INFO audit: ... cmd=getfileinfo	src=/tmp/temp-887708724/tmp883330348/foo-0.0.44.jar
...
> 2014-02-27 18:07:27,352 INFO audit: ... cmd=getfileinfo	src=/tmp/temp-887708724/tmp883330348/foo-0.0.44.jar
...
> 2014-02-27 18:07:27,352 INFO audit: ... cmd=getfileinfo	src=/tmp/temp-887708724/tmp883330348
...
> 2014-02-27 18:07:27,353 INFO audit: ... cmd=getfileinfo	src=/tmp/temp-887708724 ...
> 2014-02-27 18:07:27,353 INFO audit: ... cmd=getfileinfo	src=/tmp ...
> 2014-02-27 18:07:27,354 INFO audit: ... cmd=getfileinfo	src=/	 ...
> 2014-02-27 18:07:27,354 INFO audit: ... cmd=getfileinfo	src=/tmp/temp-887708724/tmp883330348/foo-0.0.44.jar
...
> 2014-02-27 18:07:27,355 INFO audit: ... cmd=open	src=/tmp/temp-887708724/tmp883330348/foo-0.0.44.jar
...
> {noformat}



--
This message was sent by Atlassian JIRA
(v6.2#6252)

Mime
View raw message