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https://issues.apache.org/jira/browse/HADOOP-2285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12556915#action_12556915
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Hadoop QA commented on HADOOP-2285:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12372697/fast-line2.patch
against trunk revision .
@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 appears to cause Findbugs to fail.
core tests -1. The patch failed core unit tests.
contrib tests -1. The patch failed contrib unit tests.
Test results:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1513/testReport/
Checkstyle results:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1513/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch/1513/console
This message is automatically generated.
> TextInputFormat is slow compared to reading files.
> --------------------------------------------------
>
> Key: HADOOP-2285
> URL: https://issues.apache.org/jira/browse/HADOOP-2285
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.15.0
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
> Fix For: 0.16.0
>
> Attachments: fast-line.patch, fast-line2.patch
>
>
> The LineRecordReader reads from the source byte by byte, which seems to be
> half as fast as if the readLine method was defined on the memory buffer
> directly instead of as an InputStream.
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