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https://issues.apache.org/jira/browse/HADOOP-10942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe updated HADOOP-10942:
------------------------------------------
Resolution: Fixed
Status: Resolved (was: Patch Available)
The regression fix referred to here was fixed in HADOOP-10957. The
optimizations are already implemented (we don't perform an RPC on each path
component, only when we need to do so to implement a wildcard.)
> Globbing optimizations and regression fix
> -----------------------------------------
>
> Key: HADOOP-10942
> URL: https://issues.apache.org/jira/browse/HADOOP-10942
> Project: Hadoop Common
> Issue Type: Bug
> Components: fs
> Affects Versions: 2.1.0-beta, 3.0.0-alpha1
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Critical
> Labels: BB2015-05-TBR
> Attachments: HADOOP-10942.patch
>
>
> When globbing was commonized to support both filesystem and filecontext, it
> regressed a fix that prevents an intermediate glob that matches a file from
> throwing a confusing permissions exception. The hdfs traverse check requires
> the exec bit which a file does not have.
> Additional optimizations to reduce rpcs actually increases them if
> directories contain 1 item.
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