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From "Mikhail Antonov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15281) Allow the FileSystem inside HFileSystem to be wrapped
Date Thu, 28 Apr 2016 23:10:14 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263231#comment-15263231
] 

Mikhail Antonov commented on HBASE-15281:
-----------------------------------------

Skimmed, looks good to me; will look more (maybe move constant out) and commit later unless
objections.

> Allow the FileSystem inside HFileSystem to be wrapped
> -----------------------------------------------------
>
>                 Key: HBASE-15281
>                 URL: https://issues.apache.org/jira/browse/HBASE-15281
>             Project: HBase
>          Issue Type: New Feature
>          Components: Filesystem Integration, hbase
>    Affects Versions: 2.0.0, 1.2.0
>            Reporter: Rajesh Nishtala
>            Assignee: Rajesh Nishtala
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: HBASE-15281-v1.patch
>
>
> It would be very useful for us to be able to wrap the filesystems encapsulated by HFileSystem
with other FilterFileSystems. This allows for more detailed logging of the operations to the
DFS. Internally, the data logged from this method has allowed us to show application engineers
where there schemas are inefficient and inducing too much IO. This patch will just allow the
filesystem to be pluggable.



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