About nodes information
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Hello. Thank you for giving an interesting model DECIMA.
How can I get a feature vector of a node in job DAG : In the paper it consists of
(i) : # of tasks remaining in the stage
(ii) : The average task duration
(iii) : The number of executors currently working
(iv) : The number of available executors.
(v) : Whether available executors are local to the job.
You can follow the process in test.py. The environment gives observation in https://github.com/hongzimao/decima-sim/blob/master/test.py#L61, the agent uses the observation in https://github.com/hongzimao/decima-sim/blob/master/test.py#L67, the observation is translated into vector form and passed through the policy neural network in https://github.com/hongzimao/decima-sim/blob/master/actor_agent.py#L513-L520. Hope this helps!