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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-6569) Batchlog replays copy the entire batchlog table into the heap
Date Fri, 10 Jan 2014 18:44:53 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-6569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13868104#comment-13868104
] 

Aleksey Yeschenko commented on CASSANDRA-6569:
----------------------------------------------

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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