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https://issues.apache.org/jira/browse/CASSANDRA-7237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14651157#comment-14651157
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Branimir Lambov commented on CASSANDRA-7237:
--------------------------------------------
[Reapplied on top of
trunk|https://github.com/blambov/cassandra/tree/7237-batchlog-with-partitioner].
[testall|http://cassci.datastax.com/job/blambov-7237-batchlog-with-partitioner-testall/6/],
[dtest|http://cassci.datastax.com/job/blambov-7237-batchlog-with-partitioner-dtest/6/]
Also includes fixes for several dtest regressions by CASSANDRA-8143.
> 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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