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https://issues.apache.org/jira/browse/HBASE-18090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16195109#comment-16195109
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Hudson commented on HBASE-18090:
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Results for branch HBASE-18467, done in 4 hr 24 min and counting
[build #136 on
builds.a.o|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-18467/136/]:
FAILURE
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details (if available):
(x) *{color:red}-1 overall{color}*
Committer, please check your recent inclusion of a patch for this issue.
(x) {color:red}-1 general checks{color}
-- For more information [see general
report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-18467/136//General_Nightly_Build_Report/]
(/) {color:green}+1 jdk8 checks{color}
-- For more information [see jdk8
report|https://builds.apache.org/job/HBase%20Nightly/job/HBASE-18467/136//JDK8_Nightly_Build_Report/]
(x) {color:red}-1 source release artifact{color}
-- See build output for details.
> Improve TableSnapshotInputFormat to allow more multiple mappers per region
> --------------------------------------------------------------------------
>
> Key: HBASE-18090
> URL: https://issues.apache.org/jira/browse/HBASE-18090
> Project: HBase
> Issue Type: Improvement
> Components: mapreduce
> Affects Versions: 3.0.0
> Reporter: Mikhail Antonov
> Assignee: xinxin fan
> Fix For: 2.0.0-beta-1
>
> Attachments: HBASE-18090-branch-1.3-v1.patch,
> HBASE-18090-branch-1.3-v2.patch, HBASE-18090.branch-1.patch,
> HBASE-18090-V3-master.patch, HBASE-18090-V4-master.patch,
> HBASE-18090-V5-master.patch
>
>
> TableSnapshotInputFormat runs one map task per region in the table snapshot.
> This places unnecessary restriction that the region layout of the original
> table needs to take the processing resources available to MR job into
> consideration. Allowing to run multiple mappers per region (assuming
> reasonably even key distribution) would be useful.
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