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From "Greg Hogan (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-2810) Warn user if bc not installed
Date Fri, 02 Oct 2015 13:19:26 GMT
Greg Hogan created FLINK-2810:

             Summary: Warn user if bc not installed
                 Key: FLINK-2810
                 URL: https://issues.apache.org/jira/browse/FLINK-2810
             Project: Flink
          Issue Type: Improvement
          Components: Command-line client
    Affects Versions: master
            Reporter: Greg Hogan
            Assignee: Greg Hogan
            Priority: Minor

taskmanager.sh will print the following message when starting the cluster if bc is not installed
and off-heap memory is enabled and configured as a ratio. The script should first check that
bc is installed and otherwise print a specific message.

[ERROR] Configured TaskManager managed memory fraction is not a valid value. Please set taskmanager.memory.fraction
in flink-conf.yaml

An example of a distribution where bc is not installed by default are the Debian images for
Google Compute Engine.

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