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https://issues.apache.org/jira/browse/HBASE-4528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13445855#comment-13445855
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Hudson commented on HBASE-4528:
-------------------------------
Integrated in HBase-0.94 #445 (See
[https://builds.apache.org/job/HBase-0.94/445/])
HBASE-6321 ReplicationSource dies reading the peer's id
HBASE-6647 [performance regression] appendNoSync/HBASE-4528 doesn't
take deferred log flush into account (Revision 1379290)
Result = FAILURE
jdcryans :
Files :
*
/hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
*
/hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/regionserver/wal/HLog.java
*
/hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/replication/ReplicationZookeeper.java
*
/hbase/branches/0.94/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
> 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: 4528-trunk.txt, 4528-trunk-v9.txt, appendNoSync5.txt,
> appendNoSyncPut1.txt, appendNoSyncPut2.txt, appendNoSyncPut3.txt,
> appendNoSyncPut4.txt, appendNoSyncPut5.txt, appendNoSyncPut6.txt,
> appendNoSyncPut7.txt, appendNoSyncPut8.txt, HBASE-4528-Trunk-FINAL.patch
>
>
> 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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