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From "Benedict (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-9030) Auto-tuning intra-cluster message coalescing
Date Tue, 24 Mar 2015 16:17:53 GMT
Benedict created CASSANDRA-9030:
-----------------------------------

             Summary: Auto-tuning intra-cluster message coalescing
                 Key: CASSANDRA-9030
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9030
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Benedict
             Fix For: 3.0


CASSANDRA-8692 introduced intra-cluster message coalescing, but it requires experimentation
and prior knowledge of cluster behaviour to tune this effectively, and it can have positive
impact on some workloads, with negative on others. It should be possible to have the cluster
auto-tune the behaviour to some extent, incrementally tweaking the coalesce windows based
on the result of prior modifications. This should help it find near optimal parameters for
each different level of load the cluster experiences.



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