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Posted to commits@cassandra.apache.org by "Jay Zhuang (JIRA)" <ji...@apache.org> on 2016/12/24 00:34:58 UTC

[jira] [Created] (CASSANDRA-13078) Increase unittest test.runners to speed up the test

Jay Zhuang created CASSANDRA-13078:
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             Summary: Increase unittest test.runners to speed up the test
                 Key: CASSANDRA-13078
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13078
             Project: Cassandra
          Issue Type: Improvement
          Components: Testing
            Reporter: Jay Zhuang


The unittest takes very long time to run (about 50 minutes on a macbook). By overriding the [{{test.runners}}|https://github.com/apache/cassandra/blob/cassandra-3.0/build.xml#L62], it could speed up the test, especially on powerful servers. Currently, it's set to 1 by default. I would like to propose to set the {{test.runners}} by the [number of CPUs dynamically|http://www.iliachemodanov.ru/en/blog-en/15-tools/ant/48-get-number-of-processors-in-ant-en]. For example, {{runners = num_cores / 4}}. What do you guys think?



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