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https://issues.apache.org/jira/browse/CASSANDRA-20544?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17942272#comment-17942272
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Caleb Rackliffe commented on CASSANDRA-20544:
---------------------------------------------
+1
> AST Harry's multi node tests are flakey when multi cell list happens cross
> instances
> ------------------------------------------------------------------------------------
>
> Key: CASSANDRA-20544
> URL: https://issues.apache.org/jira/browse/CASSANDRA-20544
> Project: Apache Cassandra
> Issue Type: Bug
> Components: Test/fuzz
> Reporter: David Capwell
> Assignee: David Capwell
> Priority: Normal
> Fix For: NA
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> List append relies on TimeUUID.Generator.nextUnixMicro, which relies on the
> local clock’s millisecond clock. In jvm-dtest all instances share the same
> physical clock, so most of the time time moves forward uniformly, but there
> is an edge case when the test “runs too fast” and creates a new TimeUUID
> within the same millisecond, when this happens a logically later timeuuid can
> happens-before a logically earlier timeuuid!
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