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Posted to commits@cassandra.apache.org by "Delaney Manders (JIRA)" <ji...@apache.org> on 2012/12/10 00:53:21 UTC

[jira] [Created] (CASSANDRA-5047) Allow bloom_filter_fp_chance to be configured differently per data center

Delaney Manders created CASSANDRA-5047:
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             Summary: Allow bloom_filter_fp_chance to be configured differently per data center
                 Key: CASSANDRA-5047
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5047
             Project: Cassandra
          Issue Type: New Feature
          Components: Core
    Affects Versions: 1.2.0 rc1
            Reporter: Delaney Manders
            Priority: Minor


When using one data center for hadoop/analytics exclusively, one for serving high volume writes, and possibly even one for reads, the tuning requirements are dramatically different on the same column family.

The biggest heap cost on a large dataset is the bloom_filter.  It would be great to be able to disable/tune it as a per-datacentre setting.

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