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https://issues.apache.org/jira/browse/HBASE-26874?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17752175#comment-17752175
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Hudson commented on HBASE-26874:
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Results for branch master
[build #884 on
builds.a.o|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/884/]:
(/) *{color:green}+1 overall{color}*
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details (if available):
(/) {color:green}+1 general checks{color}
-- For more information [see general
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/884/General_20Nightly_20Build_20Report/]
(/) {color:green}+1 jdk8 hadoop3 checks{color}
-- For more information [see jdk8 (hadoop3)
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/884/JDK8_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 jdk11 hadoop3 checks{color}
-- For more information [see jdk11
report|https://ci-hbase.apache.org/job/HBase%20Nightly/job/master/884/JDK11_20Nightly_20Build_20Report_20_28Hadoop3_29/]
(/) {color:green}+1 source release artifact{color}
-- See build output for details.
(/) {color:green}+1 client integration test{color}
> VerifyReplication recompare async
> ---------------------------------
>
> Key: HBASE-26874
> URL: https://issues.apache.org/jira/browse/HBASE-26874
> Project: HBase
> Issue Type: Improvement
> Reporter: Bryan Beaudreault
> Assignee: Hernan Gelaf-Romer
> Priority: Major
> Fix For: 2.6.0, 3.0.0-beta-1
>
>
> VerifyReplication includes an option "sleepMsBeforeReCompare". This is useful
> for helping work around replication lag. However, adding a sleep in a hadoop
> job can drastically slow that job down if there is anything more than a small
> number of invalid results.
> We can mitigate this by doing the recompare in a separate thread. We can
> limit the thread pool and fallback to doing the recompare in the main thread
> if the thread pool is full. This way we offload some of the slowness but
> still retain the same validation guarantees. A configuration can be added to
> control how many threads per mapper.
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