This video shows how you can identify bottlenecks in your application and then improve them by adding a parallel region. It also shows how you can expand the width of a parallel region at runtime without having to resubmit the application.

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Another way to improve performance is by controlling how resources are used, e.g. by limiting how many operators can be run per host, you minimize competition for resources.  Learn more about this feature by watching this video on dynamic resource allocation.

Further Reading

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