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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10323) Auto detect data block encoding in HFileOutputFormat
Date Mon, 13 Jan 2014 06:01:55 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13869310#comment-13869310
] 

Hadoop QA commented on HBASE-10323:
-----------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12622576/HBASE_10323-trunk-v2.patch
  against trunk revision .
  ATTACHMENT ID: 12622576

    {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:green}+1 hadoop1.0{color}.  The patch compiles against the hadoop 1.0 profile.

    {color:green}+1 hadoop1.1{color}.  The patch compiles against the hadoop 1.1 profile.

    {color:green}+1 javadoc{color}.  The javadoc tool did not generate any warning messages.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 findbugs{color}.  The patch does not introduce any new Findbugs (version
1.3.9) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:green}+1 lineLengths{color}.  The patch does not introduce lines longer than 100

    {color:red}-1 site{color}.  The patch appears to cause mvn site goal to fail.

    {color:green}+1 core tests{color}.  The patch passed unit tests in .

Test results: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop2-compat.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-prefix-tree.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-client.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-protocol.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-examples.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-thrift.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-hadoop-compat.html
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/8399//console

This message is automatically generated.

> Auto detect data block encoding in HFileOutputFormat
> ----------------------------------------------------
>
>                 Key: HBASE-10323
>                 URL: https://issues.apache.org/jira/browse/HBASE-10323
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ishan Chhabra
>            Assignee: Ishan Chhabra
>         Attachments: HBASE_10323-0.94.15-v1.patch, HBASE_10323-0.94.15-v2.patch, HBASE_10323-0.94.15-v3.patch,
HBASE_10323-trunk-v1.patch, HBASE_10323-trunk-v2.patch
>
>
> Currently, one has to specify the data block encoding of the table explicitly using the
config parameter "hbase.mapreduce.hfileoutputformat.datablock.encoding" when doing a bulkload
load. This option is easily missed, not documented and also works differently than compression,
block size and bloom filter type, which are auto detected. 
> The solution would be to add support to auto detect datablock encoding similar to other
parameters. 
> The current patch does the following:
> 1. Automatically detects datablock encoding in HFileOutputFormat.
> 2. Keeps the legacy option of manually specifying the datablock encoding
> around as a method to override auto detections.
> 3. Moves string conf parsing to the start of the program so that it fails
> fast during starting up instead of failing during record writes. It also
> makes the internals of the program type safe.
> 4. Adds missing doc strings and unit tests for code serializing and
> deserializing config paramerters for bloom filer type, block size and
> datablock encoding.



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