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Posted to common-issues@hadoop.apache.org by "Jonathan Eagles (JIRA)" <ji...@apache.org> on 2018/03/22 23:20:00 UTC

[jira] [Created] (HADOOP-15337) RawLocalFileSystem file status permissions can avoid shelling out in some cases

Jonathan Eagles created HADOOP-15337:
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             Summary: RawLocalFileSystem file status permissions can avoid shelling out in some cases
                 Key: HADOOP-15337
                 URL: https://issues.apache.org/jira/browse/HADOOP-15337
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Jonathan Eagles
            Assignee: Jonathan Eagles


While investigating YARN-8054, it was noticed that getting file permissions for RawLocalFileSystem can fail by having too many files open. Upon inspection this happens when getting permissions by launching a shell program (ls -ld on linux) and parsing the results. With the introduction of java 7 posix file systems can accurately get file permissions without launching a shell program.



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