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From "Flavio Junqueira (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (S4-10) Dynamic s4 cluster management:S4 as a service
Date Fri, 02 Dec 2011 08:59:39 GMT

    [ https://issues.apache.org/jira/browse/S4-10?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13161495#comment-13161495
] 

Flavio Junqueira commented on S4-10:
------------------------------------

Hi Kishore, It looks good mostly. I was just thinking that the last bullet, "Add query", does
not really seem to belong here. How is it related to cluster management or S4 as a service?
Not that I disagree with the feature, it is just that it should probably a separate discussion
and issue.

I'm also not entirely sure what the third bullet is referring to. Would you mind expanding
the discussion a bit?
                
> Dynamic s4 cluster management:S4 as a service
> ---------------------------------------------
>
>                 Key: S4-10
>                 URL: https://issues.apache.org/jira/browse/S4-10
>             Project: Apache S4
>          Issue Type: New Feature
>            Reporter: kishore gopalakrishna
>             Fix For: 0.5
>
>
> One of the features that we will definitely need to make S4 as a service is being able
to do following operations without bringing down the cluster
> * Deploy/undeploy applications. High level goal is to be able to provide a uri which
will point to the application jar and deploy it to all nodes in s4 cluster.
> * Configure/add new stream into the system, this will basically contain how is the stream
partitioned. Currently each stream is partitioned based on number of nodes but this may not
always be desirable.
> * Configure/Add Processing Elements. Basically attach a PE to a stream without writing
any custom code.
> * Add query, one should be able to submit a query for common tasks like count/avg/min/max/.
This can eventually be expanded to support UDF.
> Will use this as a high level JIRA to make S4 as a service. Only features will be added
to this JIRA. For each feature we can create child JIRA 

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