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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-11090) Backport HBASE-11083 ExportSnapshot should provide capability to limit bandwidth consumption
Date Sun, 04 May 2014 22:57:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-11090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13989188#comment-13989188
] 

Ted Yu commented on HBASE-11090:
--------------------------------

Hbase-common would be better for the backport. 

The change in Pom was intentional - the dependency was solely for this class. 

> Backport HBASE-11083 ExportSnapshot should provide capability to limit bandwidth consumption
> --------------------------------------------------------------------------------------------
>
>                 Key: HBASE-11090
>                 URL: https://issues.apache.org/jira/browse/HBASE-11090
>             Project: HBase
>          Issue Type: Task
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 0.99.0, 0.98.3
>
>         Attachments: 11090-0.98-v1.txt, 11090-trunk.txt
>
>
> HBASE-11083 allows ExportSnapshot to limit bandwidth usage.
> Here is *one* approach for backporting:
> Create the following classes (class name is tentative):
> hbase-hadoop1-compat/src/main/java/org/apache/hadoop/hbase/util/ThrottledInputStream.java
> hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/util/ThrottledInputStream.java
> each of which extends the corresponding ThrottledInputStream in hadoop-1 / hadoop-2
> ExportSnapshot would reference util.ThrottledInputStream, depending on which compatibility
module gets bundled.
> ThrottledInputStream.java in hadoop-1 branch was backported through MAPREDUCE-5081 which
went into 1.2.0 release.
> We need to decide how hadoop releases earlier than 1.2.0 should be supported.
> *Second* approach for backporting is to make a copy of ThrottledInputStream and include
it in hbase codebase.



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