hadoop-mapreduce-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1098) Incorrect synchronization in DistributedCache causes TaskTrackers to freeze up during localization of Cache for tasks.
Date Sat, 24 Oct 2009 13:10:59 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amareshwari Sriramadasu updated MAPREDUCE-1098:
-----------------------------------------------

    Attachment: patch-1098-6.txt

Fixed findbugs warning

> Incorrect synchronization in DistributedCache causes TaskTrackers to freeze up during
localization of Cache for tasks.
> ----------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1098
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1098
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>            Reporter: Sreekanth Ramakrishnan
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.21.0
>
>         Attachments: MAPREDUCE-1098.patch, MAPREDUCE-1098.patch, MAPREDUCE-1098.patch,
patch-1098-0.20.txt, patch-1098-1.txt, patch-1098-2.txt, patch-1098-3.txt, patch-1098-4.txt,
patch-1098-5.txt, patch-1098-6.txt, patch-1098-ydist.txt, patch-1098.txt
>
>
> Currently {{org.apache.hadoop.filecache.DistributedCache.getLocalCache(URI, Configuration,
Path, FileStatus, boolean, long, Path, boolean)}} allows only one {{TaskRunner}} thread in
TT to localize {{DistributedCache}} across jobs. Current way of synchronization is across
baseDir this has to be changed to lock on the same baseDir.

-- 
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.


Mime
View raw message