Heshan Suriyaarachchi created AIRAVATA-823:
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Summary: Add an extension point to Airavata to have pluggable EC2
Scheduling Algorithms
Key: AIRAVATA-823
URL: https://issues.apache.org/jira/browse/AIRAVATA-823
Project: Airavata
Issue Type: Improvement
Components: GFac, XBaya
Affects Versions: 0.7
Reporter: Heshan Suriyaarachchi
Fix For: 0.9
Let me explain the usecase here.
>From Airavata 0.8 onwards, I'm planning to give the Airavata user the
>flexibility in selecting (optional) a scheduling algorithm when running EC2
>workflows. The current trunk has the greedy algorithm and I will be adding a
>round robin algorithm for the 0.8 release.
One value added extension-point would be to let a user (who is not familiar
with our codebase) to implement his/her scheduling algorithm (by implementing a
set of interfaces). Currently we have these interfaces which the user can use
to implement his/her own alogrithm. Then, the Airavata eco-system should
support, letting the user drop his/her custom algorithm implementation jar to
the Airavata server and select it at runtime. This is something similar to the
extension-points that we had at Synapse [1]. If we support this, the user would
not have to mess around with the our codebase and they can do their scheduling
algorithm implementations independently.
[1] - http://synapse.apache.org/Synapse_Extending.html
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