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https://issues.apache.org/jira/browse/HADOOP-1442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12506040
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Hadoop QA commented on HADOOP-1442:
-----------------------------------
Integrated in Hadoop-Nightly #127 (See
[http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Nightly/127/])
> Zero-byte input files are not included in InputSplit
> ----------------------------------------------------
>
> Key: HADOOP-1442
> URL: https://issues.apache.org/jira/browse/HADOOP-1442
> Project: Hadoop
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.12.3
> Environment: ALL
> Reporter: Milind Bhandarkar
> Assignee: Senthil Subramanian
> Fix For: 0.14.0
>
> Attachments: HADOOP-1442_1.patch
>
>
> The default FileInputFormat::getSplits method does not include zero-byte
> input files in FileSplit[]. Applications that assume the minimum number of
> maps to be at least number of input files can get bitten by this, as well as
> applications that use -reducer NONE to produce number of partitions that are
> equal to input partitions.
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