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Posted to commits@cassandra.apache.org by "Rich Rein (JIRA)" <ji...@apache.org> on 2015/03/02 23:08:05 UTC

[jira] [Created] (CASSANDRA-8891) Conditionally compress data between nodes

Rich Rein created CASSANDRA-8891:
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             Summary: Conditionally compress data between nodes
                 Key: CASSANDRA-8891
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8891
             Project: Cassandra
          Issue Type: Improvement
          Components: Core
            Reporter: Rich Rein
             Fix For: 3.0


Reducing unnecessary CPU usage is very important to maximizing Cassandra's performance.

Conditionally compress internode traffic when the outbound connection is congested.

The result should automatically adapts to a long-term and/or short term bottlenecks in either CPU or internode connection. 

The result should automatically make use of the most luxurious resource. 

Cassandra.yaml
The property, internode_compression, could have a new "auto" value. As in:
internode_compression: auto

Optionally, a thresh-hold can be set for the definition of locally available CPU bandwidth and the it compression can depend on locally available CPU bandwidth.

This would apply to inter-node within the data center and between the data centers.



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