[Gridmix] Input data compression emulation might not work as expected with data
reuse
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Key: MAPREDUCE-2616
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2616
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: contrib/gridmix
Affects Versions: 0.23.0
Reporter: Amar Kamat
Assignee: Amar Kamat
Fix For: 0.23.0
Currently, all the Gridmix input data files are located at
<gridmix-io-dir>/input (<gridmix-io-dir> is expected as a CLI parameter). When
compression emulation is enabled, Gridmix will check for compressed files
(based on suffixes) in the input folder. Gridmix will bail out if there are no
compressed input files. If the input folder consists of a mix of compressed and
uncompressed input files, then Gridmix might end up using uncompressed files
resulting into no emulation.
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