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https://issues.apache.org/jira/browse/CASSANDRA-7919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14132935#comment-14132935
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Benedict commented on CASSANDRA-7919:
-------------------------------------

bq. Regarding the lsb, a given client shouldn't really change it during it's 
lifetime (per the timeuuid spec)

This is not true if we incorporate CASSANDRA-7925

If we fix this, which we should, and we use TimeUUID for solving this problem 
generally, we should _not_ deliver the TimeUUID back to clients, and we should 
not store it fully indefinitely. We should only use it for guaranteeing 
uniqueness, and after that truncate it to a simple timestamp. There is no 
benefit to storing it indefinitely.

> Change timestamp representation to timeuuid
> -------------------------------------------
>
>                 Key: CASSANDRA-7919
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7919
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: T Jake Luciani
>            Priority: Minor
>             Fix For: 3.0
>
>
> In order to overcome some of the issues with timestamps (CASSANDRA-6123) we 
> need to migrate to a better timestamp representation for cells.
> Since drivers already support timeuuid it makes sense to migrate to this 
> internally (see CASSANDRA-7056)



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