Jeremy Hanna created CASSANDRA-9969:
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Summary: Expose the DTCS configuration parameters (base time, min
threshold, max age) via jmx
Key: CASSANDRA-9969
URL: https://issues.apache.org/jira/browse/CASSANDRA-9969
Project: Cassandra
Issue Type: Improvement
Reporter: Jeremy Hanna
The DateTieredCompactionStrategy settings aren't exposed via JMX. There are a
few use cases for which this would be valuable.
1. Testing via write survey mode. Currently you can change the compaction
strategy class but are limited to change min/max compaction threshold.
2. Testing via trying out the strategy on one node in your existing cluster.
This helps you to understand the impact when transitioning from another
compaction strategy to DTCS.
3. Transitioning your cluster to DTCS one node at a time for minimal impact
(then of course changing the persisted schema).
This should go back to 2.0 or at least 2.1 because it's really a simple
oversight to not have exposed those in ColumnFamilyStoreMBean.
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