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https://issues.apache.org/jira/browse/HBASE-18806?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16309127#comment-16309127
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Hadoop QA commented on HBASE-18806:
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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-18806 does not apply to master. Rebase required? Wrong
Branch? See https://yetus.apache.org/documentation/0.6.0/precommit-patchnames
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HBASE-18806 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12888986/HBASE-18806.v3.patch |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/10859/console |
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This message was automatically generated.
> VerifyRep by snapshot need not to restore snapshot for each mapper
> ------------------------------------------------------------------
>
> Key: HBASE-18806
> URL: https://issues.apache.org/jira/browse/HBASE-18806
> Project: HBase
> Issue Type: Improvement
> Components: Replication
> Affects Versions: 2.0.0-alpha-2
> Reporter: Zheng Hu
> Assignee: Zheng Hu
> Attachments: HBASE-18806.v1.patch, HBASE-18806.v2.patch,
> HBASE-18806.v3.patch, HBASE-18806.v3.patch
>
>
> In following method stack, seems like each mapper task will restore the
> snapshot. If we verify replication by a snapshot which has many hfiles,
> then we will take long time to restore snapshot. In our cluster, we took
> ~30min for the snapshot restoring when verify a big table.
> {code}
> Verifier.map
> |--------> replicatedScanner = new TableSnapshotScanner(...)
> |-------->
> TableSnapshotScanner.init()
>
> |-----> RestoreSnapshotHelper.copySnapshotForScanner
> {code}
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