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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7845) optimize hfile index key
Date Sun, 24 Mar 2013 00:07:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7845?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13611907#comment-13611907
] 

Hudson commented on HBASE-7845:
-------------------------------

Integrated in hbase-0.95-on-hadoop2 #39 (See [https://builds.apache.org/job/hbase-0.95-on-hadoop2/39/])
    HBASE-7845 optimize hfile index key (Revision 1460232)

     Result = FAILURE
stack : 
Files : 
* /hbase/branches/0.95/hbase-common/src/main/java/org/apache/hadoop/hbase/HConstants.java
* /hbase/branches/0.95/hbase-common/src/main/java/org/apache/hadoop/hbase/KeyValue.java
* /hbase/branches/0.95/hbase-common/src/main/java/org/apache/hadoop/hbase/io/encoding/BufferedDataBlockEncoder.java
* /hbase/branches/0.95/hbase-common/src/test/java/org/apache/hadoop/hbase/TestKeyValue.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileBlockIndex.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileReaderV2.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/HFileWriterV2.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/StoreFileScanner.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/io/hfile/TestHFileWriterV2.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestBlocksRead.java

                
> optimize hfile index key
> ------------------------
>
>                 Key: HBASE-7845
>                 URL: https://issues.apache.org/jira/browse/HBASE-7845
>             Project: HBase
>          Issue Type: Improvement
>          Components: HFile
>    Affects Versions: 0.96.0
>            Reporter: Liang Xie
>            Assignee: Liang Xie
>             Fix For: 0.95.0, 0.98.0
>
>         Attachments: HBASE-7845.txt, HBASE-7845-v2.txt, HBASE-7845-v3.txt, HBASE-7845-v4.txt,
HBASE-7845-v5.txt, HBASE-7845-v6.txt, HBASE-7845-v7.txt, HBASE-7845-v8.txt, HBASE-7845-v9.txt,
HBASE-7845-v9.txt
>
>
> Leveldb uses ByteWiseComparatorImpl::FindShortestSeparator() & FindShortSuccessor()
to reduce index key size, it would be helpful under special conditions.

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