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https://issues.apache.org/jira/browse/CASSANDRA-6569?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13869618#comment-13869618
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Rick Branson commented on CASSANDRA-6569:
-----------------------------------------

Looks like deleteBatch got switched off the CQL code-path. This seems 
inconsistent from the rest of this replay logic.

> 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
>             Fix For: 1.2.14, 2.0.5
>
>         Attachments: 6569.txt
>
>
> 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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