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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7303) Quit using reflection for the method DFSOutputStream#getNumCurrentReplicas(…)
Date Sat, 08 Dec 2012 02:51:21 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13527006#comment-13527006
] 

Harsh J commented on HBASE-7303:
--------------------------------

Thanks Elliot and Andrew, I'll come up with something along these lines.
                
> Quit using reflection for the method DFSOutputStream#getNumCurrentReplicas(…)
> -----------------------------------------------------------------------------
>
>                 Key: HBASE-7303
>                 URL: https://issues.apache.org/jira/browse/HBASE-7303
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 0.96.0
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Minor
>
> Given that we've raised our minimum version guarantee for HBase with 1.x carrying the
0.20-append code finally, and all subsequent releases (0.21*, 0.22, 0.23 and 2) have this
method available in them, I don't see a reason to have the reflection based getNumCurrentReplicas
invocation (via HDFS-826) anymore.
> We could save ourselves quite a bit of perf. penalty by removing this check and simply
calling the method directly, as its API has not changed across releases.

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