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https://issues.apache.org/jira/browse/CASSANDRA-7925?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14556174#comment-14556174
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T Jake Luciani commented on CASSANDRA-7925:
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bq. If this server generates one, the act is synchronized to ensure no
duplication.
There is still an open hole. If the user specifies a time stamp though it will
collide on the server. I understand the downside of many lsb is compression is
not as helpful. however given how we plan to use timeuuids we should ensure
correctness.
> TimeUUID LSB should be unique per process, not just per machine
> ---------------------------------------------------------------
>
> Key: CASSANDRA-7925
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7925
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Peter Mädel
> Assignee: T Jake Luciani
> Fix For: 2.2.x
>
> Attachments: cassandra-uuidgen.patch
>
>
> as pointed out in
> [CASSANDRA-7919|https://issues.apache.org/jira/browse/CASSANDRA-7919?focusedCommentId=14132529&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14132529]
> lsb collisions are also possible serverside.
> a sufficient solution would be to include references to pid and classloader
> within lsb.
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