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Posted to mapreduce-issues@hadoop.apache.org by "Peter Bacsko (JIRA)" <ji...@apache.org> on 2017/09/08 12:59:00 UTC
[jira] [Created] (MAPREDUCE-6954) Disable erasure coding for files
that are uploaded to the MR staging area
Peter Bacsko created MAPREDUCE-6954:
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Summary: Disable erasure coding for files that are uploaded to the MR staging area
Key: MAPREDUCE-6954
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6954
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: client
Reporter: Peter Bacsko
Assignee: Peter Bacsko
Depending on the encoder/decoder used and the type or MR workload, EC might negatively affect the performance of an MR job if too many files are localized.
In such a scenario, users might want to disable EC in the staging area to speed up the execution.
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