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Posted to commits@cassandra.apache.org by "Marcus Eriksson (JIRA)" <ji...@apache.org> on 2018/06/11 18:51:00 UTC
[jira] [Updated] (CASSANDRA-13078) Increase unittest test.runners
to speed up the test
[ https://issues.apache.org/jira/browse/CASSANDRA-13078?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcus Eriksson updated CASSANDRA-13078:
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> 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
> Assignee: Jay Zhuang
> Priority: Minor
> Fix For: 3.0.15, 3.11.1, 4.0
>
> Attachments: unittest.png, unittest_time.png
>
>
> The unittest takes very long time to run (about 40 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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