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https://issues.apache.org/jira/browse/HBASE-4528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13136593#comment-13136593
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Hadoop QA commented on HBASE-4528:
----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12500956/HBASE-4528-Trunk-FINAL.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 13 new or modified tests.
-1 javadoc. The javadoc tool appears to have generated -167 warning
messages.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
-1 core tests. The patch failed these unit tests:
org.apache.hadoop.hbase.master.TestDistributedLogSplitting
org.apache.hadoop.hbase.coprocessor.TestRegionServerCoprocessorExceptionWithAbort
org.apache.hadoop.hbase.coprocessor.TestMasterObserver
org.apache.hadoop.hbase.master.TestMasterFailover
Test results:
https://builds.apache.org/job/PreCommit-HBASE-Build/74//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HBASE-Build/74//artifact/trunk/patchprocess/newPatchFindbugsWarnings.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/74//console
This message is automatically generated.
> The put operation can release the rowlock before sync-ing the Hlog
> ------------------------------------------------------------------
>
> Key: HBASE-4528
> URL: https://issues.apache.org/jira/browse/HBASE-4528
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: dhruba borthakur
> Assignee: dhruba borthakur
> Fix For: 0.94.0
>
> Attachments: HBASE-4528-Trunk-FINAL.patch, appendNoSync5.txt,
> appendNoSyncPut1.txt, appendNoSyncPut2.txt, appendNoSyncPut3.txt,
> appendNoSyncPut4.txt, appendNoSyncPut5.txt, appendNoSyncPut6.txt,
> appendNoSyncPut7.txt, appendNoSyncPut8.txt
>
>
> This allows for better throughput when there are hot rows. A single row
> update improves from 100 puts/sec/server to 5000 puts/sec/server.
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