Kapil Arya created MESOS-2883:
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Summary: Do not call hook manager if no hooks installed
Key: MESOS-2883
URL: https://issues.apache.org/jira/browse/MESOS-2883
Project: Mesos
Issue Type: Improvement
Components: modules
Reporter: Kapil Arya
Assignee: Kapil Arya
Hooks modules allow us to provide decorators during various aspects of a task
lifecycle such as label decorator, environment decorator, etc. Often the call
into such a decorator hooks results in a new copy of labels, environment, etc.,
being returned to the call site. This is an unnecessary overhead if there are
no hooks installed.
The proper way would be to call decorators via the hook manager only if there
are some hooks installed. This would prevent unnecessary copying overhead if no
hooks are available.
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