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From David Bowen <dbo...@yahoo-inc.com>
Subject Re: [jira] Updated: (HADOOP-1091) NPE from Simon in JT stdout
Date Mon, 12 Mar 2007 00:41:12 GMT

>
> I've just fixed this. Thanks David! BTW, what's Simon?
>   
Thanks Tom.  Simon is a performance metrics monitoring system for 
distributed applications.  We have an interface for it that plugs in to 
the service provider interface (SPI) in Hadoop metrics, allowing 
close-to-real-time monitoring of Hadoop itself as well as for Hadoop 
applications.  Currently Simon is not open source, but we would like to 
make it open source at some point.

- David


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