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Benedict Elliott Smith commented on CASSANDRA-16930:
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Patch [here|https://github.com/belliottsmith/cassandra/tree/16930-trunk]
> Introduce Determinism (and other) Configuration Options
> -------------------------------------------------------
>
> Key: CASSANDRA-16930
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16930
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Benedict Elliott Smith
> Priority: Normal
>
> 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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