[jira] [Created] (AIRAVATA-823) Add an extension point to Airavata to have pluggable EC2 Scheduling Algorithms

["Heshan Suriyaarachchi (JIRA)" <ji...@apache.org>]

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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