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https://issues.apache.org/jira/browse/HBASE-12031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14143827#comment-14143827
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Andrew Purtell commented on HBASE-12031:
----------------------------------------
What I usually do is create a work branch for a patch, commit the patch, then
use git format-patch to generate a patch file for JIRA:
{noformat}
git checkout -b HBASE-12031
git add ...
git commit -m"HBASE-12031 Parallel scanners inside region"
git format-patch HEAD^
{noformat}
Does that work? It's easy to drop the work branches later with 'git branch -D
...' and garbage collect eventually with 'git gc'
> Parallel Scanners inside Region
> -------------------------------
>
> Key: HBASE-12031
> URL: https://issues.apache.org/jira/browse/HBASE-12031
> Project: HBase
> Issue Type: New Feature
> Components: Performance, Scanners
> Affects Versions: 0.98.6
> Reporter: Vladimir Rodionov
> Assignee: Vladimir Rodionov
> Fix For: 1.0.0, 2.0.0, 0.98.7, 0.99.1
>
>
> This JIRA to improve performance of multiple scanners running on a same
> region in parallel. The scenarios where we will get the performance benefits:
> * New TableInputFormat with input splits smaller than HBase Region.
> * Scanning during compaction (Compaction scanner and application scanner over
> the same Region).
> Some JIRAs related to this one:
> https://issues.apache.org/jira/browse/HBASE-7336
> https://issues.apache.org/jira/browse/HBASE-5979
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