Gopal V created TEZ-1719:
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Summary: Allow IFile reducer merge-sort to disable crc32 checksums
Key: TEZ-1719
URL: https://issues.apache.org/jira/browse/TEZ-1719
Project: Apache Tez
Issue Type: Bug
Affects Versions: 0.6.0
Reporter: Gopal V
Next-gen filesystems like BTRFS and ZFS provide their own checksumming for disk
data.
Using PureJavaCrc32 for data written for temporary spills to such filesystems
is a complete waste of CPU resources.
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