Shameera Rathnayaka created AIRAVATA-1620:
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Summary: Optimize thread usage in Workflow Enactment Service.
Key: AIRAVATA-1620
URL: https://issues.apache.org/jira/browse/AIRAVATA-1620
Project: Airavata
Issue Type: Improvement
Reporter: Shameera Rathnayaka
Assignee: Shameera Rathnayaka
Currently new workflow model allocates a thread from the thread pool to run the
workflow and thread comes back to the thread pool after finishing the all
workflow nodes executed in that workflow. As the nature of the workflows runs
on real case, this workflows may take days to complete. In this case, it is not
idea to allocate a thread until it finishes, most of the time thread is in
sleep state and only need to run once the task events trigger for the submitted
task.
We can optimize the thread utilization by allowing thread to come back to the
thread pool till the next task output and status event trigger. Workflow
enactment service keep listening to the all task events and invoke correct
workflow and hand over the event.
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