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https://issues.apache.org/jira/browse/CASSANDRA-2519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13022073#comment-13022073
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Aaron Morton edited comment on CASSANDRA-2519 at 4/20/11 10:59 AM:
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patch 0001 adds one to the memtable op count if the CF contains zero columns 
and cf.isMarkedForDeletion()

      was (Author: amorton):
    patch 0001 adds to the memtable op count if the CF contains zero columns 
and cf.isMarkedForDeletion()
  
> row deletions do not add to memtable op count
> ---------------------------------------------
>
>                 Key: CASSANDRA-2519
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2519
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7.4
>            Reporter: Aaron Morton
>            Assignee: Aaron Morton
>             Fix For: 0.7.5
>
>         Attachments: 0001-include-row-deletions-in-memtable-op-count.patch
>
>
> from discussion 
> http://www.mail-archive.com/[email protected]/msg12531.html
> Memtable.resolve() uses the count of columns in the CF to bump the op count 
> however RowMutation.delete() does not add any columns to the CF when an 
> entire row is deleted. If a super column or column is deleted it adds 1 
> towards the op count. Deleting many named columns will add many to the op 
> count. 

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