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https://issues.apache.org/jira/browse/HBASE-12988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lars Hofhansl updated HBASE-12988:
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Attachment: 12988-v4.txt
Slight update. Just optimizes the case where the number of batches ends up
being 1. In that case we do not need to do any grouping as the result would be
the original group anyway.
In 1.1+ I plan to default the number of threads to 10. Before that (1.0 and
0.98) to 1, so that the behavior and performance characteristics do not change.
> [Replication]Parallel apply edits on row-level
> ----------------------------------------------
>
> Key: HBASE-12988
> URL: https://issues.apache.org/jira/browse/HBASE-12988
> Project: HBase
> Issue Type: Improvement
> Components: Replication
> Reporter: hongyu bi
> Assignee: Lars Hofhansl
> Attachments: 12988-v2.txt, 12988-v3.txt, 12988-v4.txt, 12988.txt,
> HBASE-12988-0.98.patch, ParallelReplication-v2.txt
>
>
> we can apply edits to slave cluster in parallel on table-level to speed up
> replication .
> update : per conversation blow , it's better to apply edits on row-level in
> parallel
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