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https://issues.apache.org/jira/browse/BOOKKEEPER-593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13610967#comment-13610967
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Sijie Guo commented on BOOKKEEPER-593:
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[~umamaheswararao] actually round robin is an implementation of distributed 
schedule. we don't tightly bind with it, if I remembered correctly. 
BOOKKEEPER-593 is quite similar as BOOKKEEPER-13, which is to provide some kind 
of location aware placement policy. from my perspective, it would be not too 
difficult to provide a locality aware distributed schedule. 
                
> use the application machine as one of bookies for ledger write if possible
> --------------------------------------------------------------------------
>
>                 Key: BOOKKEEPER-593
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-593
>             Project: Bookkeeper
>          Issue Type: Improvement
>            Reporter: Ming Ma
>
> In the scenario where bk applications run on the same set of machines as 
> bookies, it will be useful if bk can put one of the ledger replica on the 
> same machine as the application. In that way one of the ledger writes will be 
> local and could improve the performance.

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