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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-9976) Don't create duplicated TableName objects
Date Mon, 25 Nov 2013 15:59:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-9976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13831584#comment-13831584
] 

Hudson commented on HBASE-9976:
-------------------------------

FAILURE: Integrated in hbase-0.96-hadoop2 #131 (See [https://builds.apache.org/job/hbase-0.96-hadoop2/131/])
HBASE-9976 Don't create duplicated TableName objects (nkeywal: rev 1545178)
* /hbase/branches/0.96/hbase-client/src/main/java/org/apache/hadoop/hbase/HRegionInfo.java
* /hbase/branches/0.96/hbase-client/src/main/java/org/apache/hadoop/hbase/protobuf/ProtobufUtil.java
* /hbase/branches/0.96/hbase-common/src/main/java/org/apache/hadoop/hbase/TableName.java
* /hbase/branches/0.96/hbase-common/src/main/java/org/apache/hadoop/hbase/util/Bytes.java
* /hbase/branches/0.96/hbase-server/src/test/java/org/apache/hadoop/hbase/master/balancer/TestFavoredNodeAssignmentHelper.java


> Don't create duplicated TableName objects
> -----------------------------------------
>
>                 Key: HBASE-9976
>                 URL: https://issues.apache.org/jira/browse/HBASE-9976
>             Project: HBase
>          Issue Type: Bug
>          Components: Client, regionserver
>    Affects Versions: 0.98.0, 0.96.0
>            Reporter: Nicolas Liochon
>            Assignee: Nicolas Liochon
>             Fix For: 0.98.0, 0.96.1
>
>         Attachments: 9976.v1.patch, 9976.v10.patch, 9976.v11.patch, 9976.v4.patch, 9976.v6.patch,
9976.v7.patch, 9976.v7.patch, 9976.v8.patch, 9976.v8.patch, 9976.v9.patch
>
>
> A profiling show that the table name is reponsible for 25% of the memory needed to keep
the region locations. As well, comparisons will be faster if two identical table names are
a single java object.



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