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Posted to dev@hama.apache.org by "Edward J. Yoon (Commented) (JIRA)" <ji...@apache.org> on 2011/12/13 05:33:30 UTC
[jira] [Commented] (HAMA-476) Splitter doesn't work correctly
[ https://issues.apache.org/jira/browse/HAMA-476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168127#comment-13168127 ]
Edward J. Yoon commented on HAMA-476:
-------------------------------------
NOTE:
If a number of jobs are submitted concurrently,
{code}
11/12/13 11:49:09 INFO bsp.FileInputFormat: Total input paths to process : 1
11/12/13 11:49:09 INFO bsp.FileInputFormat: Total # of splits: 42
11/12/13 11:52:02 INFO bsp.FileInputFormat: Total input paths to process : 42
11/12/13 11:52:02 INFO bsp.FileInputFormat: Total # of splits: 42
11/12/13 11:52:04 INFO bsp.BSPJobClient: Running job: job_201112131021_0003
11/12/13 11:52:07 INFO bsp.BSPJobClient: Launched tasks: 61/42
11/12/13 11:52:10 INFO bsp.BSPJobClient: Launched tasks: 84/42
11/12/13 12:03:55 INFO bsp.BSPJobClient: Launched tasks: 67/42
11/12/13 12:03:58 INFO bsp.BSPJobClient: Launched tasks: 42/42
{code}
> Splitter doesn't work correctly
> -------------------------------
>
> Key: HAMA-476
> URL: https://issues.apache.org/jira/browse/HAMA-476
> Project: Hama
> Issue Type: Bug
> Components: bsp
> Affects Versions: 0.3.0
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.4.0
>
>
> - To split sequencefile as user requested size, there's no way to avoid read/write records. I think we have to use just blockSize.
> - Unlike MapReduce, we are unable to queuing tasks when exceeds cluster capacity (I have no idea at the moment).
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