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https://issues.apache.org/jira/browse/HADOOP-2285?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Douglas updated HADOOP-2285:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
> 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, fast-line3.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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