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Posted to dev@hama.apache.org by "Edward J. Yoon (JIRA)" <ji...@apache.org> on 2014/01/02 06:56:53 UTC
[jira] [Commented] (HAMA-700) BSPPartitioner should be configurable
to be optional and allow input format conversion
[ https://issues.apache.org/jira/browse/HAMA-700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13860028#comment-13860028 ]
Edward J. Yoon commented on HAMA-700:
-------------------------------------
NOTE:
I just found why TestPipes (summation job) unit test fails. Despite
partitioner class is not specified for summation example, Partitioning
Job launched.
if ((numTasks > 0 && numTasks != numSplits)
|| (job.getConfiguration().getBoolean(
Constants.ENABLE_RUNTIME_PARTITIONING, false) && job
.getConfiguration().get(Constants.RUNTIME_PARTITIONING_CLASS)
!= null)) {
....
}
Above "if" condition determines whether partitioning job should be run
or not. Partitioning job should be run only when "BSP-based runtime
partitioning" is enabled and partitioner is specified.
I'll fix this to TRUNK directly.
> BSPPartitioner should be configurable to be optional and allow input format conversion
> --------------------------------------------------------------------------------------
>
> Key: HAMA-700
> URL: https://issues.apache.org/jira/browse/HAMA-700
> Project: Hama
> Issue Type: Improvement
> Components: bsp core
> Reporter: Suraj Menon
> Assignee: Suraj Menon
> Fix For: 0.6.1
>
> Attachments: HAMA-700-v1.patch, HAMA-700.patch.v2, HAMA-700.patch_Jan7
>
>
> There should be a provisioning for skipping the PartitionRunner if needed. Also we can have a RecordConverter interface so that the PartitionRunner can read the input in any format and create new splits.
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