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https://issues.apache.org/jira/browse/HADOOP-5739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12702323#action_12702323
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Karam Singh commented on HADOOP-5739:
-------------------------------------
JobTracker configuration is having 5 Queues (default,Q1,Q2,Q3 and Q4), with
acls enbaled. Capacity Scheduler is use as Schuder.
Submitted a job with 10000 maps and 10 reduced to Q3.
When 1000 maps get compeleted.
Restarted the JobTracker.
After successful recovery, checkec the status of job.
Q3 queue page does display then and
JobDetails page dispays following -:
Kind % Complete Num Tasks Pending Running Complete Killed
Failed/Killed Task Attempts
map 10.98% 10000 8902 0 1098
0 0 / 0
reduce 4.12% 10 0 10
0 0 0 / 0
No map was schulded.
JobTracker logs says -:
[
2009-04-24 10:37:37,082 INFO org.apache.hadoop.mapred.JobInitializationPoller:
Initializing job : <jobid> in Queue test_q3 For user : User1
2009-04-24 10:37:37,084 INFO org.apache.hadoop.mapred.JobInitializationPoller:
Removing scheduled jobs from waiting queue<jobid>
]
It seems job is lost.
> After JobTracker restart Capacity Schduler does not schedules pending tasks
> from already running tasks.
> --------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-5739
> URL: https://issues.apache.org/jira/browse/HADOOP-5739
> Project: Hadoop Core
> Issue Type: Bug
> Components: contrib/capacity-sched
> Affects Versions: 0.20.0
> Reporter: Karam Singh
>
> After JobTracker restart Capacity Schduler does not schedules pending task
> from already running tasks.
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