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https://issues.apache.org/jira/browse/HAMA-387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13107582#comment-13107582
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Edward J. Yoon commented on HAMA-387:
-------------------------------------
{code}
2011-09-19 10:15:40,004 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000037_0 11/09/19 10:15:40 INFO bsp.BSPPeer: >>> 41
2011-09-19 10:15:40,004 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000037_0 11/09/19 10:15:40 INFO bsp.BSPPeer: =====>
jobid:job_201109190955_0007 taskid:attempt_201109190955_0007_000037_0 after
enterBarrier()
2011-09-19 10:15:40,213 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000036_0 11/09/19 10:15:40 INFO bsp.BSPPeer: =====>
jobid:job_201109190955_0007 taskid:attempt_201109190955_0007_000036_0 before
leaveBarrier()
2011-09-19 10:15:40,214 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000037_0 11/09/19 10:15:40 INFO bsp.BSPPeer: =====>
jobid:job_201109190955_0007 taskid:attempt_201109190955_0007_000037_0 before
leaveBarrier()
2011-09-19 10:15:40,267 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000036_0 11/09/19 10:15:40 INFO bsp.BSPPeer: xxxxx
leaveBarrier() list.size:5 children in the
list[attempt_201109190955_0007_000006_0, attempt_201109190955_0007_000038_0,
attempt_201109190955_0007_000014_0, attempt_201109190955_0007_000002_0,
attempt_201109190955_0007_000003_0]
2011-09-19 10:15:40,267 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000037_0 11/09/19 10:15:40 INFO bsp.BSPPeer: xxxxx
leaveBarrier() list.size:5 children in the
list[attempt_201109190955_0007_000006_0, attempt_201109190955_0007_000038_0,
attempt_201109190955_0007_000014_0, attempt_201109190955_0007_000002_0,
attempt_201109190955_0007_000003_0]
2011-09-19 10:15:40,361 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000036_0 11/09/19 10:15:40 INFO bsp.BSPPeer: xxxxx
leaveBarrier() list.size:4 children in the
list[attempt_201109190955_0007_000038_0, attempt_201109190955_0007_000014_0,
attempt_201109190955_0007_000002_0, attempt_201109190955_0007_000003_0]
2011-09-19 10:15:40,361 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000037_0 11/09/19 10:15:40 INFO bsp.BSPPeer: xxxxx
leaveBarrier() list.size:4 children in the
list[attempt_201109190955_0007_000038_0, attempt_201109190955_0007_000014_0,
attempt_201109190955_0007_000002_0, attempt_201109190955_0007_000003_0]
2011-09-19 10:15:40,377 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000037_0 11/09/19 10:15:40 INFO bsp.BSPPeer: xxxxx
leaveBarrier() list.size:3 children in the
list[attempt_201109190955_0007_000038_0, attempt_201109190955_0007_000014_0,
attempt_201109190955_0007_000003_0]
2011-09-19 10:15:40,378 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000036_0 11/09/19 10:15:40 INFO bsp.BSPPeer: xxxxx
leaveBarrier() list.size:3 children in the
list[attempt_201109190955_0007_000038_0, attempt_201109190955_0007_000014_0,
attempt_201109190955_0007_000003_0]
2011-09-19 10:15:40,410 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000037_0 11/09/19 10:15:40 INFO bsp.BSPPeer: xxxxx
leaveBarrier() list.size:1 children in the
list[attempt_201109190955_0007_000038_0]
2011-09-19 10:15:40,411 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000036_0 11/09/19 10:15:40 INFO bsp.BSPPeer: xxxxx
leaveBarrier() list.size:1 children in the
list[attempt_201109190955_0007_000038_0]
2011-09-19 10:15:41,355 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000038_0 11/09/19 10:15:41 INFO bsp.BSPPeer: xxxx
enterBarrier() list.size():1 children in the
list:[attempt_201109190955_0007_000038_0]
2011-09-19 10:15:41,355 INFO org.apache.hama.bsp.TaskRunner:
attempt_201109190955_0007_000038_0 11/09/19 10:15:41 INFO bsp.BSPPeer: >>> 41
{code}
superstep count seems not increased.
> Advanced Barrier Synchronization
> --------------------------------
>
> Key: HAMA-387
> URL: https://issues.apache.org/jira/browse/HAMA-387
> Project: Hama
> Issue Type: Improvement
> Components: bsp
> Affects Versions: 0.3.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.4.0
>
> Attachments: HAMA-387_v02.patch, HAMA-387_v03.patch,
> HAMA-387_v04.patch, new.patch, sleepless.patch, x.PNG, x.patch
>
>
> I think, the lock file must include:
> * the job ID
> * the task ID of the lock file owner
> * the current superstep count
> to check ownership and validation.
> Currently they are named by hostname, but multi-tasks can be run per one
> groomserver in the future.
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