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From "Amila Jayasekara (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AIRAVATA-823) Add an extension point to Airavata to have pluggable EC2 Scheduling Algorithms
Date Wed, 21 Aug 2013 18:19:51 GMT

     [ https://issues.apache.org/jira/browse/AIRAVATA-823?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amila Jayasekara updated AIRAVATA-823:
--------------------------------------

    Fix Version/s:     (was: 0.9)
                   WISHLIST
    
> 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: WISHLIST
>
>
> 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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