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https://issues.apache.org/jira/browse/CASSANDRA-16930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17709342#comment-17709342
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Andres de la Peña commented on CASSANDRA-16930:
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Bisections points to the commit for this ticket as the first one introducing
the test failures of {{InsertUpdateIfConditionTest}} and
{{InsertUpdateIfConditionCollectionsTest}} reported by CASSANDRA-18393:
* Before:
[commit|https://github.com/apache/cassandra/commit/ce2a0a28bc9ca21e1fae29f2a38448a877db06c3]
[CI|https://app.circleci.com/pipelines/github/adelapena/cassandra/2807/workflows/e08f482a-40bd-4dfc-b322-353572717ada]
* After:
[commit|https://github.com/apache/cassandra/commit/fe9cff663b48fecdb964caaded2004e83a0c89f4]
[CI|https://app.circleci.com/pipelines/github/adelapena/cassandra/2808/workflows/a63798dd-1916-4ef6-9e4c-9962127fc66b]
CASSANDRA-18393 added a fix for those tests, but it seems that they are still
flaky in a different way, as reported by CASSANDRA-18393:
* Before:
[commit|https://github.com/apache/cassandra/commit/89f3978dcde958fbad191b8cf628fd89ace64d7a]
[CI|https://app.circleci.com/pipelines/github/adelapena/cassandra/2803/workflows/dc769b19-b383-4332-92db-12e7e54a49fa]
* After:
[commit|https://github.com/apache/cassandra/commit/cc28e1a85e2e5760436030ca57667fa69d6de233]
[CI|https://app.circleci.com/pipelines/github/adelapena/cassandra/2804/workflows/5bec4990-05da-4879-b097-57116c30ba5b]
> Introduce Determinism (and other) Configuration Options
> -------------------------------------------------------
>
> Key: CASSANDRA-16930
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16930
> Project: Cassandra
> Issue Type: Improvement
> Components: Cluster/Gossip
> Reporter: Benedict Elliott Smith
> Assignee: Benedict Elliott Smith
> Priority: Normal
> Fix For: 4.1-alpha1, 4.1
>
>
> In order to support CEP-10 we must enable deterministic execution within
> Cassandra, support disabling certain optional features that are incompatible
> with simulation, and support overriding some existing features.
> Some determinism will be enabled by the Simulator itself, but there are
> aspects of Cassandra that must be made compliant as well. This includes:
> compression system-wide, memtable overhead computation, specifying the number
> of processors used for computation/decisions, specifing all cache sizes
> explicitly, enabling deterministic table IDs, and supporting deterministic
> node IDs for TimeUUID creation.
> We also want to be able disable sstable activity tracking, and to be able to
> happily ignore problems with native filesystem methods and SIGAR. We also
> want to be able to override the migration delay, batch sync interval and
> system auth replication factor.
> For pluggability we also want to be able to specify a custom FailureDetector.
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