[jira] [Assigned] (HADOOP-7659) fs -getmerge isn't guaranteed to work well over non-HDFS filesystems

["Harsh J (Assigned) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-7659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Harsh J reassigned HADOOP-7659:
-------------------------------

    Assignee: Harsh J
    
> fs -getmerge isn't guaranteed to work well over non-HDFS filesystems
> --------------------------------------------------------------------
>
>                 Key: HADOOP-7659
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7659
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.20.204.0
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Minor
>             Fix For: 0.24.0
>
>
> When you use {{fs -getmerge}} with HDFS, you are guaranteed file list sorting (part-00000, part-00001, onwards). When you use the same with other FSes we bundle, the ordering of listing is not guaranteed at all. This is cause of http://download.oracle.com/javase/6/docs/api/java/io/File.html#list() which we use internally for native file listing.
> This should either be documented as a known issue on -getmerge help pages/mans, or a consistent ordering (similar to HDFS) must be applied atop the listing. I suspect the latter only makes it worthy for what we include - while other FSes out there still have to deal with this issue. Perhaps we need a recommendation doc note added to our API?

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