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https://issues.apache.org/jira/browse/CASSANDRA-7346?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14017505#comment-14017505
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Richard Low commented on CASSANDRA-7346:
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+1 on Sylvain's suggestion.

> Row deletes use incompatible timestamps on counter column families
> ------------------------------------------------------------------
>
>                 Key: CASSANDRA-7346
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7346
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Richard Low
>
> For counters, timestamps are automatically computed to be milliseconds since 
> the epoch. For everything else, when not specified manually, they are 
> microseconds since the epoch. This means if you delete a counter row, 
> subsequent updates are lost unexpectedly.
> I know that deleting counters is not recommended, but that's only because 
> deletes and incs don't commute. If you know you have stopped incs, then 
> delete, then start again (with some external synchronization) then deleting 
> is fine.



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