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Posted to hdfs-issues@hadoop.apache.org by "Jitendra Nath Pandey (JIRA)" <ji...@apache.org> on 2018/11/29 04:11:00 UTC
[jira] [Commented] (HDFS-14112) Avoid recursive call to external
authorizer for getContentSummary.
[ https://issues.apache.org/jira/browse/HDFS-14112?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16702698#comment-16702698 ]
Jitendra Nath Pandey commented on HDFS-14112:
---------------------------------------------
+1, pending jenkins.
> Avoid recursive call to external authorizer for getContentSummary.
> ------------------------------------------------------------------
>
> Key: HDFS-14112
> URL: https://issues.apache.org/jira/browse/HDFS-14112
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Jitendra Nath Pandey
> Assignee: Tsz Wo Nicholas Sze
> Priority: Critical
> Attachments: h14112_20181128.patch
>
>
> HDFS-12130 optimizes permission check, and invokes permission checker recursively for each component of the tree, which works well for FSPermission checker.
> But for certain external authorizers it may be more efficient to make one call with {{subaccess}}, because often they don't have to evaluate for each and every component of the path.
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