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https://issues.apache.org/jira/browse/HBASE-5564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13234082#comment-13234082
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Laxman commented on HBASE-5564:
-------------------------------
All MR tests seems to be failing. Failures are not because of the patch.
I will check these failures.
@anoop
In bulkload, if multiple records are having same timestamp, then the last KV
entry processed by reducer only will be persisted (TreeSet in Reducer). I don't
see this as behavior inconsistency. Bulkload can't judge which KV entry to be
retained (Considering duplicate records exists across input splits/files). So,
in this case, user can develop custom MR to achieve this functionality.
> Bulkload is discarding duplicate records
> ----------------------------------------
>
> Key: HBASE-5564
> URL: https://issues.apache.org/jira/browse/HBASE-5564
> Project: HBase
> Issue Type: Bug
> Components: mapreduce
> Affects Versions: 0.90.7, 0.92.2, 0.94.0, 0.96.0
> Environment: HBase 0.92
> Reporter: Laxman
> Assignee: Laxman
> Labels: bulkloader
> Attachments: HBASE-5564_trunk.1.patch, HBASE-5564_trunk.1.patch,
> HBASE-5564_trunk.patch
>
>
> Duplicate records are getting discarded when duplicate records exists in same
> input file and more specifically if they exists in same split.
> Duplicate records are considered if the records are from diffrent different
> splits.
> Version under test: HBase 0.92
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