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Paulo Motta commented on CASSANDRA-10403:
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+1. As an operator I had some issues with an 8GB heap and G1GC. We should
probably make it easy to switch by extracting gc properties to a variable, and
provide a commented-out option with pre-filled G1 settings, and maybe mention
something on the documentation too.
> Consider reverting to CMS GC on 3.0
> -----------------------------------
>
> Key: CASSANDRA-10403
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10403
> Project: Cassandra
> Issue Type: Improvement
> Components: Config
> Reporter: Joshua McKenzie
> Fix For: 3.0.0 rc2
>
>
> Reference discussion on CASSANDRA-7486.
> For smaller heap sizes G1 appears to have some throughput/latency issues when
> compared to CMS. With our default max heap size at 8G on 3.0, there's a
> strong argument to be made for having CMS as the default for the 3.0 release.
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