Reducers reported completion % is generally incorrect when consuming compressed
map outputs
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Key: HADOOP-1852
URL: https://issues.apache.org/jira/browse/HADOOP-1852
Project: Hadoop
Issue Type: Bug
Components: mapred
Affects Versions: 0.14.1
Reporter: Riccardo
Priority: Minor
When processing compressed map outputs, reducers often report over 100%
completion (up to 220%). This is regardless of the compression codec and of
whether native compression is used or not.
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