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https://issues.apache.org/jira/browse/HBASE-12031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16071502#comment-16071502
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Hadoop QA commented on HBASE-12031:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 4s{color}
| {color:red} HBASE-12031 does not apply to master. Rebase required? Wrong
Branch? See https://yetus.apache.org/documentation/0.4.0/precommit-patchnames
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HBASE-12031 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12670749/HBASE-12031.3.patch |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/7449/console |
| Powered by | Apache Yetus 0.4.0 http://yetus.apache.org |
This message was automatically generated.
> 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
> Attachments: HBASE-12031.2.patch, HBASE-12031.3.patch,
> HBASE-12031.patch, hbase-12031-tests.tar.gz, ParallelScannerDesign.pdf
>
>
> 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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