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https://issues.apache.org/jira/browse/MAPREDUCE-2365?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siddharth Seth updated MAPREDUCE-2365:
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Fix Version/s: 0.23.0
0.20.203.0
> Add counters for FileInputFormat (BYTES_READ) and FileOutputFormat
> (BYTES_WRITTEN)
> ----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2365
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2365
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Owen O'Malley
> Assignee: Siddharth Seth
> Fix For: 0.20.203.0, 0.23.0
>
> Attachments: MR2365.patch
>
>
> MAP_INPUT_BYTES and MAP_OUTPUT_BYTES will be computed using the difference
> between FileSystem
> counters before and after each next(K,V) and collect/write op.
> In case compression is being used, these counters will represent the
> compressed data sizes. The uncompressed size will
> not be available.
> This is not a direct back-port of 5710. (Counters will be computed in MapTask
> instead of in individual RecordReaders).
> 0.20.100 ->
> New API -> MAP_INPUT_BYTES will be computed using this method
> Old API -> MAP_INPUT_BYTES will remain unchanged.
> 0.23 ->
> New API -> MAP_INPUT_BYTES will be computed using this method
> Old API -> MAP_INPUT_BYTES likely to use this method
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