[jira] [Created] (FLINK-6506) Some tests in flink-tests exceed memory the resources in containerized Travis builds

["Stefan Richter (JIRA)" <ji...@apache.org>]

Stefan Richter created FLINK-6506:
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             Summary: Some tests in flink-tests exceed memory the resources in containerized Travis builds
                 Key: FLINK-6506
                 URL: https://issues.apache.org/jira/browse/FLINK-6506
             Project: Flink
          Issue Type: Bug
          Components: Build System
    Affects Versions: 1.3.0
            Reporter: Stefan Richter
            Assignee: Stefan Richter
             Fix For: 1.3.0


The tests in {{flink-tests}} are currently executed on Travis with fork parallelism of 2. It seems that the memory requirements for certain tests have become so high, that certain combinations for two tests in parallel can exceed the available resources on the containerized Travis build infrastructure, triggering the OOM Killer.

I think that we can reduce the fork parallelism to 1 for our Travis builds. Tests seem to execute at comparable speed as before without running into resource problems. 



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