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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: Monitoring the number of client connections
Date Wed, 19 Dec 2012 13:27:46 GMT
In the TCP mib for SNMP (Simple Network Management Protocol) this
information is available

http://www.simpleweb.org/ietf/mibs/mibSynHiLite.php?category=IETF&module=TCP-MIB

On Wed, Dec 19, 2012 at 12:22 AM, Michael Kjellman
<mkjellman@barracuda.com>wrote:

> netstat + cron is your friend at this point in time
>
> On Dec 18, 2012, at 8:25 PM, "aaron morton" <aaron@thelastpickle.com>
> wrote:
>
> AFAIK the count connections is not exposed.
>
> Cheers
>
> -----------------
> Aaron Morton
> Freelance Cassandra Developer
> New Zealand
>
> @aaronmorton
> http://www.thelastpickle.com
>
> On 18/12/2012, at 10:37 PM, Tomas Nunez <tomas.nunez@groupalia.com> wrote:
>
> Hi!
>
> I want to know how many client connections has each one of my cluster
> nodes (to check if my load balancing is spreading in a balanced way, to
> check if increase in the cluster load can be related to an increase in the
> number of connections, and things like that). I was thinking about going
> with netstat, counting ESTABLISHED connections to port 9160, but then I
> thought maybe there is some way in cassandra to get that information (maybe
> a counter of connections in the JMX?). I've tried installing MX4J and going
> over all MBeans, but I haven't found any with a promising name, they all
> seem unrelated to this information. And I can't find anything skimming the
> manual, so...
>
> Can you think a better way than "netstat" to get this information? Better
> yet, is there anything similar to "Show processlist" in mysql?
>
> Thanks!
>
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