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Focal Point    Focal Point Forums  Hop To Forum Categories  WebFOCUS/FOCUS Forum on Focal Point     [SHARING] Setting Suggestions - Agent Data Service Limits.

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[SHARING] Setting Suggestions - Agent Data Service Limits.
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David Briars
Master
posted
I am reviewing the following three (3) Configuration Settings (properties) of the DEFAULT Data Service, at our site:
* cpu_limit (in seconds)
* memory_limit (in KB)
* disk_limit (in KB)

At the moment, all three are set to '-1' (unlimited - default value).

We are looking to guard against 'very bad' behaving requests, e.g., requests that go into an infinite Dialogue Manager loop.

Could anyone recommend or suggest values they have set, and found useful, for these three parameters?

I realize the amount of available CPU/space | type of request, would vary amongst environments/sites, I'm just looking for what community members have found reasonable/useful.

Thank you.

This message has been edited. Last edited by: Kerry,




Pilot: WebFOCUS 8.2.06 Test: WebFOCUS 8.1.05M Prod: WebFOCUS 8.1.05M Server: Windows Server 2016/Tomcat Standalone Workstation: Windows 10/IE11+Edge Database: Oracle 12c, Netezza, & MS SQL Server 2019 Output: AHTML/XLSX/HTML/PDF/JSCHART Tools: WFDS, Repository Content, BI Portal Designer & ReportCaster
 
Posts: 822 | Registered: April 23, 2003Report This Post
David Briars
Master
posted Hide Post
quote:
Could anyone recommend or suggest values they have set, and found useful, for these three parameters?
Wanted to add that I had opened a case with IB on this question. The HelpDesk suggested that a post to FocalPoint, would be the best way to get some suggestions.
 
Posts: 822 | Registered: April 23, 2003Report This Post
Waz
Expert
posted Hide Post
This one is a difficult one to answer.

As soon as you add a limit any job that falls into that limit will be affected.

I would suggest first checking any current jobs to see what they are doing, then add some limits based on the observations.


Waz...

Prod:WebFOCUS 7.6.10/8.1.04Upgrade:WebFOCUS 8.2.07OS:LinuxOutputs:HTML, PDF, Excel, PPT
In Focus since 1984
Pity the lost knowledge of an old programmer!

 
Posts: 6347 | Location: 33°49'23.0"S, 151°11'41.0"E | Registered: October 31, 2006Report This Post
David Briars
Master
posted Hide Post
Thank you Waz, for your thoughts.
quote:
As soon as you add a limit any job that falls into that limit will be affected.

Agreed. I will want to make sure that setting these three parms effect only 'very bad' behaving requests.
quote:
I would suggest first checking any current jobs to see what they are doing, then add some limits based on the observations.

Cool. I checked the 'CPU Time' and 'Memory Usage (KB)' values, from the WebConsole 'Data Service Agents page, for a typical request. I'll then multiply these values times some factor for the CPU/Memory settings. For the Disk setting I'll divide the total amount of free space on the drive by some factor.

Anyone else have any thoughts, or 'best practices, for these three settings?
 
Posts: 822 | Registered: April 23, 2003Report This Post
MattC
Guru
posted Hide Post
You may also want to set limitations on users meaning how many agents a user can get. You don't want a user executing several long running requests tying up your server.


WebFOCUS 8.1.05
 
Posts: 496 | Registered: January 04, 2008Report This Post
Prarie
Virtuoso
posted Hide Post
Yes we limit each user to 5 sessions or they would submit a bunch and go to lunch.
 
Posts: 1903 | Location: San Antonio | Registered: February 28, 2005Report This Post
Waz
Expert
posted Hide Post
quote:
for a typical request


Would it be better to check one of the longer or more intensive fexes ?


Waz...

Prod:WebFOCUS 7.6.10/8.1.04Upgrade:WebFOCUS 8.2.07OS:LinuxOutputs:HTML, PDF, Excel, PPT
In Focus since 1984
Pity the lost knowledge of an old programmer!

 
Posts: 6347 | Location: 33°49'23.0"S, 151°11'41.0"E | Registered: October 31, 2006Report This Post
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