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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-19448) Replace StringBuffer with StringBuilder for hbase-server
Date Thu, 07 Dec 2017 19:45:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-19448?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16282409#comment-16282409
] 

Hudson commented on HBASE-19448:
--------------------------------

FAILURE: Integrated in Jenkins build HBase-Trunk_matrix #4185 (See [https://builds.apache.org/job/HBase-Trunk_matrix/4185/])
HBASE-19448 Replace StringBuffer with StringBuilder for hbase-server (chia7712: rev 638433358bd6429773ecd3fe9791b70d978b88b9)
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSourceManager.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/mob/MobTestUtil.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/SecureTestUtil.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestDefaultMemStore.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/favored/FavoredNodeAssignmentHelper.java
* (edit) hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterOperationsForRegionReplicas.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/AbstractMemStore.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/CompactSplit.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/bucket/BucketCache.java
* (edit) hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServerFactory.java


> Replace StringBuffer with StringBuilder for hbase-server
> --------------------------------------------------------
>
>                 Key: HBASE-19448
>                 URL: https://issues.apache.org/jira/browse/HBASE-19448
>             Project: HBase
>          Issue Type: Improvement
>          Components: hbase
>    Affects Versions: 2.0.0
>            Reporter: BELUGA BEHR
>            Assignee: BELUGA BEHR
>            Priority: Trivial
>             Fix For: 2.0.0
>
>         Attachments: HBASE-19448.1.patch
>
>
> Replace the thread-safe {{StringBuffer}} class with the un-synchronized {{StringBuilder}}
class for better performance.



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