Greg Hogan created FLINK-2810:
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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.
{noformat}
[ERROR] Configured TaskManager managed memory fraction is not a valid value.
Please set taskmanager.memory.fraction in flink-conf.yaml
{noformat}
An example of a distribution where bc is not installed by default are the
Debian images for Google Compute Engine.
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