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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10055) Add option to limit the scan speed in CopyTable and VerifyReplication
Date Fri, 29 Nov 2013 16:46:38 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13835450#comment-13835450
] 

Jonathan Hsieh commented on HBASE-10055:
----------------------------------------

Is this necessary?  Does snapshot + snapshot scanner cover the copy table side and adding
a snapshot mode to verifyReplication cover the need?

> Add option to limit the scan speed in CopyTable and VerifyReplication
> ---------------------------------------------------------------------
>
>                 Key: HBASE-10055
>                 URL: https://issues.apache.org/jira/browse/HBASE-10055
>             Project: HBase
>          Issue Type: Improvement
>         Environment: 
>            Reporter: Liu Shaohui
>            Priority: Minor
>         Attachments: HBASE-10055-0.94-v1.diff, HBASE-10055-0.94-v2.diff, HBASE-10055-trunk-v1.diff
>
>
> Add option to limit the scan speed in CopyTable and VerifyReplication.
> When adding a new replication, we use 'CopyTable' to copy old data from online cluster
to peer cluster.  After that, we use 'VerifyReplication' to check the data consistency of
two clusters.
> To reduce the impact the online cluster's service, we add an option to limit the scan
speed.



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