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CVP 7x Max Port License Used

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This document was generated from CDN thread

Created by: Charles Williams on 30-09-2008 02:31:21 PM
Ref: CVP 7.0.2

Customer needs to know the maximum ports used on a Call Server during a 24 hour period. In OAMP, for a particular Call Server, there is a metric under the Infrastructure tab called Statistics Aggregation Interval. By default, the value is 30 minutes.

Under Statistics\Infrastructure tab\Interval, the 30 minute interval is displayed along with the value "Maximum Port Licenses Used".

I assume the Statistics Aggregation Interval sets the time for the Maximum Port Licenses Used.

Is this correct?

The Config Guide does not appear to address changes to default settings under Event Statistics.

What is the impact of changing the Statistics Aggregation Interval to 1440 minutes (24 hours)?

Will this have any impact on the Call Server's ability to support 850 simulaneous calls in a SIP environment?

If 1440 minutes is acceptable, the Call Server would have to be restarted in order to reset the Interval. Is this correct?

Thanks,

Frank

Subject: Re: CVP 7x Max Port License Used
Replied by: SethA Katzman on 02-10-2008 01:44:52 PM
Hi Frank,

The statistics aggregation interval can be changed to a larger value, for example 24 hours (value: 1440) if desired.

The generic statistics polling is done approximately every 5 minutes by default gathering realtime, interval, and aggregate stats from all of the statistics managers for each appropriate device/subsystem. It would not be advised to set the aggregation interval to a very small amount (30 minutes is the recommended minimum) because it could throttle a larger solution deployment by quick repeated statistics polling requests.

Setting it to a value like 24 hours should not have any impact on call performance. The Call Server would have to be restarted once the property is changed and the configuration is saved and deployed in order for it to go into effect.

Thanks,
Seth

Subject: Re: CVP 7x Max Port License Used
Replied by: GEOFFREY THOMPSON on 07-10-2008 04:01:35 PM
There is another way to do this.

In C:\Cisco\CVP\VXMLServer\logs there is the set of call log files - one for each day. Whenever an application runs, it writes an entry in the log file. This line consists of comma-separated fields and one of the fields is the number of currently-running applications.

According to "VOICEXML SERVER USER GUIDE FOR CISCO UNIFIED CUSTOMER VOICE PORTAL RELEASE 4.0(1)" page 76, the fields are:

*call ID
*session ID
*callers
*order
*Application
*Time

where it says "callers = This integer represents the total number of callers interacting with the system at the time the call was received (including the current call)."

You can parse this file, breaking it at the commas (as I have done) with Unix tools like "cut" and feed it into "sort" to find the maximum.

Or for you non-programmers out there ;-), you could rename it to a .csv extension and open it with Excel. Now you have the ability to find the row that has the maximum by just sorting on column C descending.

Piece of cake.

Regards,
Geoff

Subject: Re: CVP 7x Max Port License Used
Replied by: Janine Graves on 07-10-2008 05:01:41 PM
Be careful this count starts at 0 when there is 1 call. So the counter is 1 less than the number of current callers

Sent from my Verizon Wireless BlackBerry
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