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From "jiraposter@reviews.apache.org (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-4508) Backport HBASE-3777 to 0.90 branch
Date Wed, 12 Oct 2011 22:17:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-4508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13126204#comment-13126204
] 

jiraposter@reviews.apache.org commented on HBASE-4508:
------------------------------------------------------


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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/2192/
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Review request for Ted Yu.


Summary
-------

A backport of HBASE-3777 to the 0.90 branch, preserving 0.90 connection-per-config behavior
by introducing the (default true) hbase.connection.per.config config property.


This addresses bug HBASE-4508.
    https://issues.apache.org/jira/browse/HBASE-4508


Diffs
-----

  ./src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduce.java 1179055 
  ./src/test/java/org/apache/hadoop/hbase/master/TestClockSkewDetection.java 1179055 
  ./src/test/java/org/apache/hadoop/hbase/util/TestMergeTable.java 1179055 
  ./src/test/java/org/apache/hadoop/hbase/catalog/TestCatalogTracker.java 1179055 
  ./src/test/java/org/apache/hadoop/hbase/catalog/TestMetaReaderEditor.java 1179055 
  ./src/test/java/org/apache/hadoop/hbase/client/TestHCM.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/zookeeper/ZooKeeperWatcher.java 1179055 
  ./src/main/resources/hbase-default.xml 1179055 
  ./src/main/java/org/apache/hadoop/hbase/zookeeper/ZKUtil.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/master/HMaster.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/master/ServerManager.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/replication/master/ReplicationLogCleaner.java 1179055

  ./src/main/java/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.java
1179055 
  ./src/main/java/org/apache/hadoop/hbase/util/HBaseFsck.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/util/HBaseFsckRepair.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/util/HMerge.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/client/replication/ReplicationAdmin.java 1179055

  ./src/main/java/org/apache/hadoop/hbase/mapred/TableOutputFormat.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/mapreduce/TableOutputFormat.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/mapreduce/replication/VerifyReplication.java 1179055

  ./src/main/java/org/apache/hadoop/hbase/client/MetaScanner.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/client/HTablePool.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/client/HTable.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/client/HConnectionManager.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/client/HConnection.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/client/HBaseAdmin.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/catalog/CatalogTracker.java 1179055 
  ./src/main/java/org/apache/hadoop/hbase/HConstants.java 1179055 

Diff: https://reviews.apache.org/r/2192/diff


Testing
-------


Thanks,

Bright


                
> Backport HBASE-3777 to 0.90 branch
> ----------------------------------
>
>                 Key: HBASE-4508
>                 URL: https://issues.apache.org/jira/browse/HBASE-4508
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Bright Fulton
>         Attachments: HBASE-4508.v1.patch, HBASE-4508.v2.patch, HBASE-4508.v3.patch, HBASE-4508.v4.patch
>
>
> See discussion here: http://search-hadoop.com/m/MJBId1aazTR1/backporting+HBASE-3777+to+0.90&subj=backporting+HBASE+3777+to+0+90
> Rocketfuel has been running 0.90.3 with HBASE-3777 since its resolution.
> They have 10 RS nodes , 1 Master and 1 Zookeeper
> Live writes and reads but super heavy on reads. Cache hit is pretty high.
> The qps on one of their data centers is 50K.

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