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Arpit Agarwal commented on HDFS-9552: ------------------------------------- Nice work [~cnauroth], thanks for documenting this. Should this be {{WRITE (target)}} instead of {{WRITE (source)}}? {code} concat | NO [2] | WRITE (source) | N/A | READ (source), WRITE (destination) | N/A {code} The rest looks good to me. > Document types of permission checks performed for HDFS operations. > ------------------------------------------------------------------ > > Key: HDFS-9552 > URL: https://issues.apache.org/jira/browse/HDFS-9552 > Project: Hadoop HDFS > Issue Type: Improvement > Components: documentation > Reporter: Chris Nauroth > Assignee: Chris Nauroth > Attachments: HDFS-9552.001.patch, HDFS-9552.002.patch, > hadoop-site.tar.bz2 > > > The HDFS permissions guide discusses our use of a POSIX-like model with read, > write and execute permissions associated with users, groups and the catch-all > other class. However, there is no documentation that describes exactly what > permission checks are performed by user-facing HDFS operations. This is a > frequent source of questions, so it would be good to document this. -- This message was sent by Atlassian JIRA (v6.3.4#6332)