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https://issues.apache.org/jira/browse/BOOKKEEPER-315?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13456126#comment-13456126
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Uma Maheswara Rao G commented on BOOKKEEPER-315:
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I will make this to work for Auto replication part.
What I am thinking is that, as Ivan suggested above, if ledger fragment has 
more entries in it, then I can partition that fragment into smaller fragments 
say each one contains 100/configured entries and then replicate all that 
fragments. Once all such fragments replicated, then update the ensemble info by 
pointing to new bookie.
                
> Ledger entries should be replicated sequentially instead of parallel.
> ---------------------------------------------------------------------
>
>                 Key: BOOKKEEPER-315
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-315
>             Project: Bookkeeper
>          Issue Type: Sub-task
>          Components: bookkeeper-auto-recovery, bookkeeper-client
>    Affects Versions: 4.2.0
>            Reporter: Uma Maheswara Rao G
>            Assignee: Uma Maheswara Rao G
>
> Currently BookKeeperAdmin will copy the entries parallel.
> This may create more load on the servers. To avoid that, we can refactor the 
> BKAdmin code to copy the entries sequential.

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