Github user simonellistonball commented on the issue: https://github.com/apache/metron/pull/978 The yum stuff only happens in the centos include in ansible, it's not necessary in the ubuntu version, which uses a different ansible include. An extra test for the record... manual run of the ubuntu14 development environment: building ubuntu14 (measuring start to end of ansible logs) without cache: 45m13 with cache populated: 28m57 so won't change the world, but will hopefully save some coffee during dev-test cycles.
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