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From "Barry Kaplan (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-353) Run datanode (or other hadoop servers) inside tomcat
Date Fri, 07 Jul 2006 17:07:32 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-353?page=comments#action_12419751 ] 

Barry Kaplan commented on HADOOP-353:

Eric thanks for putting this in... I will help out as much as I can.

To explain my setup we essentially have a web farm running just tomcat, it makes it simple
for deployment and upgrades. Essentially all of our servers are used for utility purposes
(indexing, statistic calulations, etc...) or as web servers. Ever web server is also a data
node. One of our utility servers (we are working on using a poll method) is picked to be the

The beauty of this design for us, is we can deploy a server and install java,tomcat,war file
and have a server that is 100% utilized in our environment. Hadoop's DFS allows us to take
advantage of the disk space available across our environment with 0 configuration.

> Run datanode (or other hadoop servers) inside tomcat
> ----------------------------------------------------
>          Key: HADOOP-353
>          URL: http://issues.apache.org/jira/browse/HADOOP-353
>      Project: Hadoop
>         Type: Improvement

>     Reporter: eric baldeschwieler

> Barry Kaplan is running hadoop data nodes inside tomcat and encountering some issues.
> http://issues.apache.org/jira/browse/HADOOP-211#action_12419360
> I'm filing this bug to capture discussion about the pros and cons of such an approach.
 I'd be curious to know what others on the list (who know more about java/tomcat) think about
this proposal.

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