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From "Matthew Jacobs (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IMPALA-5301) minicluster kudu needs mem limits set
Date Thu, 11 May 2017 01:26:04 GMT
Matthew Jacobs created IMPALA-5301:
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             Summary: minicluster kudu needs mem limits set
                 Key: IMPALA-5301
                 URL: https://issues.apache.org/jira/browse/IMPALA-5301
             Project: IMPALA
          Issue Type: Improvement
          Components: Infrastructure
    Affects Versions: Impala 2.8.0
            Reporter: Matthew Jacobs


The minicluster runs Kudu without an explicit memory limit, and Kudu defaults to assuming
it can use 80% of system memory. We should set a limit to avoid overcommitting system memory.

We need to keep the value low because aws test nodes (jenkins.impala.io) are small, see IMPALA-5297.
I tested a limit of 1gb but that wasn't enough -- TestKuduMemLimits failed. We may try something
a bit larger, or perhaps find other ways to reduce the requirements of minicluster tests.



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