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From "cuijianwei (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12889) Add scanner caching and batching options for the CopyTable job.
Date Wed, 21 Jan 2015 01:25:34 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12889?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14284971#comment-14284971
] 

cuijianwei commented on HBASE-12889:
------------------------------------

I also encounter cases where batching and caching are necessary when copying table. The caching
could be set by 'hbase.client.scanner.caching' in hbase-site.xml? Do we need to add corresponding
batching option in HConstants?

> Add scanner caching and batching options for the CopyTable job.
> ---------------------------------------------------------------
>
>                 Key: HBASE-12889
>                 URL: https://issues.apache.org/jira/browse/HBASE-12889
>             Project: HBase
>          Issue Type: Improvement
>    Affects Versions: 2.0.0, 0.98.10, 1.1.0
>            Reporter: churro morales
>            Assignee: churro morales
>            Priority: Minor
>         Attachments: HBASE-12889.0.98.patch, HBASE-12889.patch
>
>
> We use the copy table job to ship data between clusters.  Sometimes we have very wide
rows and it is nice to be able to set the batching and caching.  I'll attach trivial patches
for you guys.



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