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https://issues.apache.org/jira/browse/CASSANDRA-20544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Capwell updated CASSANDRA-20544:
--------------------------------------
Since Version: NA
Source Control Link:
https://github.com/apache/cassandra/commit/6472340d93c57d358eff72b3ab02e7594872de10
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
> 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: 0.5h
> 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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