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From Jean-Daniel Cryans <jdcry...@apache.org>
Subject Re: Node Monitoring
Date Fri, 10 Jun 2011 21:55:15 GMT
We do simple TCP check, and I know that some people run a more
extensive check that calls a low overhead method like getConfiguration
just to see if the region server can answer requests.

J-D

On Mon, Jun 6, 2011 at 6:55 PM, Wayne <wav100@gmail.com> wrote:
> Are there any recommended methods/scripts to monitor nodes via nagios? It
> would be best to have a simple nagios call to check hadoop, hbase, &
> thrift separately and alarm if one of them is awol (and not have the script
> cause damage like I have read with thrift). For example our friendly CMF
> issues which will occasionally go beyond the 60s zookeeper timeout will
> cause hbase nodes to shutdown. We want a nagios alarm/text message to be
> sent to let us know we have to go restart the region server.
>
> I know we can figure out something on our own...but wanted to see if there
> are some std methods for monitoring that have been developed and shared that
> we can use.
>
> Thanks.
>

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