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From "Kai Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10548) Remove the long deprecated BlockReaderRemote
Date Sat, 02 Jul 2016 04:27:11 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kai Zheng updated HDFS-10548:
-----------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha1
           Status: Resolved  (was: Patch Available)

Thanks [~andrew.wang]! I just committed this to trunk, targeting for 3.0

> Remove the long deprecated BlockReaderRemote
> --------------------------------------------
>
>                 Key: HDFS-10548
>                 URL: https://issues.apache.org/jira/browse/HDFS-10548
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>            Reporter: Kai Zheng
>            Assignee: Kai Zheng
>             Fix For: 3.0.0-alpha1
>
>         Attachments: HDFS-10548-v1.patch, HDFS-10548-v2.patch, HDFS-10548-v3.patch
>
>
> To lessen the maintain burden like raised in HDFS-8901, suggest we remove {{BlockReaderRemote}}
class that's deprecated very long time ago. 
> From {{BlockReaderRemote}} header:
> {quote}
>  * @deprecated this is an old implementation that is being left around
>  * in case any issues spring up with the new {@link BlockReaderRemote2}
>  * implementation.
>  * It will be removed in the next release.
> {quote}
> From {{BlockReaderRemote2}} class header:
> {quote}
>  * This is a new implementation introduced in Hadoop 0.23 which
>  * is more efficient and simpler than the older BlockReader
>  * implementation. It should be renamed to BlockReaderRemote
>  * once we are confident in it.
> {quote}
> So even further, after getting rid of the old class, we could rename as the comment suggested:
BlockReaderRemote2 => BlockReaderRemote.



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