[jira] Commented: (CASSANDRA-1936) Fit partitioned counter directly into CounterColumn.value

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-1936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12977802#action_12977802 ] 

Jonathan Ellis commented on CASSANDRA-1936:
-------------------------------------------

can you break the bytebuffer fixes out into a separate patch so we can apply to 0.7?

> Fit partitioned counter directly into CounterColumn.value 
> ----------------------------------------------------------
>
>                 Key: CASSANDRA-1936
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1936
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Sylvain Lebresne
>            Assignee: Sylvain Lebresne
>             Fix For: 0.8
>
>         Attachments: 0001-Put-partitioned-counter-directly-in-column-value.patch
>
>
> The current implementation of CounterColumn keeps both the partitioned
> counter and the total value of the counter (that is, the sum of the parts of
> the partitioned counter).
> This waste space and this requires the code to keep both representation in
> sync. This ticket propose to remove the total value from the representation
> and to only calculate it when returning the value to the client.
> NOTE: this breaks the on-disk file format (for counters)

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