Chris Nauroth created HADOOP-11935:
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Summary: Provide optional native implementation of stat syscall.
Key: HADOOP-11935
URL: https://issues.apache.org/jira/browse/HADOOP-11935
Project: Hadoop Common
Issue Type: Improvement
Components: fs, native
Reporter: Chris Nauroth
Currently,
{{RawLocalFileSystem.DeprecatedRawLocalFileStatus#loadPermissionInfo}} is
implemented as forking an {{ls}} command and parsing the output. This was
observed to be a bottleneck in YARN-3491. This issue proposes an optional
native implementation of a {{stat}} syscall through JNI. We would maintain the
existing code as a fallback for systems where the native code is not available.
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