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https://issues.apache.org/jira/browse/HADOOP-1913?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12529990
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Hadoop QA commented on HADOOP-1913:
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+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12366485/build_table_index.take6.patch
against trunk revision r578879.
@author +1. The patch does not contain any @author tags.
javadoc +1. The javadoc tool did not generate any warning messages.
javac +1. The applied patch does not generate any new compiler warnings.
findbugs +1. The patch does not introduce any new Findbugs warnings.
core tests +1. The patch passed core unit tests.
contrib tests +1. The patch passed contrib unit tests.
Test results:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/816/testReport/
Findbugs warnings:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/816/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/816/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/816/console
This message is automatically generated.
> [HBase] Build a Lucene index on an HBase table
> ----------------------------------------------
>
> Key: HADOOP-1913
> URL: https://issues.apache.org/jira/browse/HADOOP-1913
> Project: Hadoop
> Issue Type: New Feature
> Components: contrib/hbase
> Reporter: Ning Li
> Assignee: stack
> Priority: Minor
> Fix For: 0.15.0
>
> Attachments: build_table_index.patch,
> build_table_index.take2.again.patch, build_table_index.take2.patch,
> build_table_index.take3.patch, build_table_index.take4.patch,
> build_table_index.take5.patch, build_table_index.take6.patch
>
>
> This patch provides a Reducer class and other related classes which help to
> build a Lucene index on an HBase table. The index build part is similar to
> that of Nutch.
> - Each row is modeled as a Lucene document: row key is indexed in its
> untokenized form, column name-value pairs are Lucene field name-value pairs.
> - IndexConf is used to configure various Lucene parameters, specify whether
> to optimize an index and which columns to index and/or store, in tokenized or
> untokenized form, etc.
> - The number of reduce tasks decides the number of indexes (partitions).
> The index(es) is stored in the output path of job configuration.
> - The index build process is done in the reduce phase. Users can use the
> map phase to join rows from different tables or to pre-parse/analyze column
> content, etc.
> - A junit test is added to test the build of an index on an HBase table
> with an identity mapper. It also serves as an example on how to use the new
> classes.
> - BuildTableIndex is provided to help building an index on an HBase table.
> It should be moved to examples package if HBase decides to have one.
> This patch requires the inclusion of the Lucene library.
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