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https://issues.apache.org/jira/browse/CASSANDRA-7237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14659870#comment-14659870
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Branimir Lambov commented on CASSANDRA-7237:
--------------------------------------------

Thank you for the review and changes, which all look good.

The requested followups are uploaded 
[here|https://github.com/apache/cassandra/compare/trunk...blambov:7237-aleksey-comments];
 
[dtest|http://cassci.datastax.com/view/Dev/view/blambov/job/blambov-7237-aleksey-comments-dtest/],
 
[testall|http://cassci.datastax.com/view/Dev/view/blambov/job/blambov-7237-aleksey-comments-testall/].

> Optimize batchlog manager to avoid full scans
> ---------------------------------------------
>
>                 Key: CASSANDRA-7237
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7237
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Aleksey Yeschenko
>            Assignee: Branimir Lambov
>            Priority: Minor
>             Fix For: 3.0.0 rc1
>
>
> Now that we use time-UUIDs for batchlog ids, and given that w/ local strategy 
> the partitions are ordered in time-order here, we can optimize the scanning 
> by limiting the range to replay taking the last replayed batch's id as the 
> beginning of the range, and uuid(now+timeout) as its end.



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