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Posted to common-dev@hadoop.apache.org by "Hadoop QA (JIRA)" <ji...@apache.org> on 2007/05/03 01:59:15 UTC
[jira] Commented: (HADOOP-1322) Tasktracker blacklist leads to hung
jobs in single-node cluster
[ https://issues.apache.org/jira/browse/HADOOP-1322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12493251 ]
Hadoop QA commented on HADOOP-1322:
-----------------------------------
+1
http://issues.apache.org/jira/secure/attachment/12356678/HADOOP-1322_20070503_1.patch applied and successfully tested against trunk revision r534624.
Test results: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/106/testReport/
Console output: http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/106/console
> Tasktracker blacklist leads to hung jobs in single-node cluster
> ---------------------------------------------------------------
>
> Key: HADOOP-1322
> URL: https://issues.apache.org/jira/browse/HADOOP-1322
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Reporter: Arun C Murthy
> Assigned To: Arun C Murthy
> Priority: Critical
> Fix For: 0.13.0
>
> Attachments: HADOOP-1322_20070503_1.patch, HADOOP-1322_20070503_2.patch
>
>
> Post HADOOP-1278, adding _the_ tasktracker to the blacklist in single-node clusters leads to a situation where the entire cluster is 'flaky' and no trackers are available to execute tasks.
> The straight-forward fix to check before adding the tracker to the blacklist.
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