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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12452) Add regular expression based split policy
Date Tue, 07 Apr 2015 18:59:12 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14483803#comment-14483803
] 

Hadoop QA commented on HBASE-12452:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12723687/HBASE-12452-V3.patch
  against master branch at commit 4d5a11e082e3b18100bb533626b51ebefb62fc7e.
  ATTACHMENT ID: 12723687

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 3 new or modified
tests.

    {color:red}-1 javac{color}.  The patch appears to cause mvn compile goal to fail with
Hadoop version 2.4.1.

    Compilation errors resume:
    [ERROR] COMPILATION ERROR : 
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionSplitPolicy.java:[323,13]
cannot find symbol
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.2:testCompile
(default-testCompile) on project hbase-server: Compilation failure
[ERROR] /home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/hbase-server/src/test/java/org/apache/hadoop/hbase/regionserver/TestRegionSplitPolicy.java:[323,13]
cannot find symbol
[ERROR] symbol:   method put(byte[],org.apache.hadoop.hbase.regionserver.HStore)
[ERROR] location: variable stores of type java.util.List<org.apache.hadoop.hbase.regionserver.Store>
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please read the following
articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :hbase-server
    

Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/13600//console

This message is automatically generated.

> Add regular expression based split policy
> -----------------------------------------
>
>                 Key: HBASE-12452
>                 URL: https://issues.apache.org/jira/browse/HBASE-12452
>             Project: HBase
>          Issue Type: Improvement
>          Components: regionserver
>            Reporter: He Liangliang
>            Assignee: He Liangliang
>            Priority: Minor
>         Attachments: HBASE-12452-V2.patch, HBASE-12452-V2.patch, HBASE-12452-V3.patch,
HBASE-12452-V3.patch, HBASE-12452.patch
>
>
> The current DelimitedKeyPrefixRegionSplitPolicy split policy is not flexible enough to
describe the split point prefix in some case. A regex based split policy is proposed, for
example:
>     ^[^\x00]+\x00[^\x00]+\x00
> means the split point will always be truncated to a prefix at the second \0 char.
> The binary string support is quite useful when the rowkey encoded by a common data access
library instead of concatenated manually by application developer.



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