Details
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Improvement
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Status: Resolved
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Major
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Resolution: Fixed
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None
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None
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None
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Reviewed
Description
Add a NullGroupMapping for cases where user groups are not used. ShellBasedUnixGroupMapping can be used in places where latency is not important. In places like starting a container, it's worth in to avoid the extra fork and exec.
Attachments
Attachments
Issue Links
- blocks
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YARN-4353 Provide short circuit user group mapping for NM/AM
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- Resolved
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