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https://issues.apache.org/jira/browse/CASSANDRA-6569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13868104#comment-13868104
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Aleksey Yeschenko commented on CASSANDRA-6569:
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FWIW, yesterday's quick patch: https://gist.github.com/iamaleksey/8346528
> Batchlog replays copy the entire batchlog table into the heap
> -------------------------------------------------------------
>
> Key: CASSANDRA-6569
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6569
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Rick Branson
> Assignee: Aleksey Yeschenko
>
> The current batchlog replay path will read the entire batchlog table into the
> heap. This is pretty bad. This was compounded by CASSANDRA-5762, which caused
> the SELECT statement used by the batchlog replay to bring the entire row into
> memory instead of just the selected columns.
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