[Casper] Java freezing up JSS - Which version of JSS

[Ben W Young]

We have this issue as well and have found that we are hitting the JSS to
hard with Policies that run at startup.  I have made some changes to the JSS
as recommended below and will advise on the outcome.

Regards,

Ben W Young
Technology Services Administrator




On 27/03/09 3:06 AM, "Dorey, Dustin" <Dustin.Dorey at district196.org> wrote:

> Well that was my thought at first too, except when it just happened yesterday,
> and we are on spring break.   Most of our client machines are off.
> That being said we have only one scheduled task scoped to all of our computers
> and randomized by 45 minutes with just under 5k clients.
> We set that one up on our roll out and I haven¹t messed with it since.    Just
> seems weird that it would still hang due to that even though most of the
> clients are off and not reporting in anyway.
>  
> I¹ll try increasing the packet size again, not sure that I can change the
> everyhour bit though since I don¹t want to set it to report only one day a
> week or something.   And there are not any options in scheduled tasks to do
> like every 3 hours and randomize by 2 hours or something.
>  
> Thanks for the tips,
> -Dusty-
>  
> 
> From: casper-bounces at list.jamfsoftware.com
> [mailto:casper-bounces at list.jamfsoftware.com] On Behalf Of Ernst, Craig S.
> Sent: Thursday, March 26, 2009 10:51 AM
> To: Dorey, Dustin; Jason Halvorson; Casper List
> Subject: Re: [Casper] Java freezing up JSS - Which version of JSS
>  
> What and how often do you have scheduled tasks setup for, and how many clients
> would hit any of those scheduled tasks at any given time.
> 
> I¹m wondering if your hitting your JSS too much with the clients.
> 
> Craig E
> 
> 
> On 3/26/09 10:44 AM, "Dorey, Dustin" <Dustin.Dorey at district196.org> wrote:
> Casper Suite 6.01
> Web App memory set to just a tick under 2GB
> Database Size: 1.7 G
> Max Packet size set to  6MB
> Tomcat Min. Memory 256; max 2048
> Server has 8Gb total
>  
> 
> From: casper-bounces at list.jamfsoftware.com
> [mailto:casper-bounces at list.jamfsoftware.com] On Behalf Of Jason Halvorson
> Sent: Thursday, March 26, 2009 10:12 AM
> To: Casper List
> Subject: Re: [Casper] Java freezing up JSS - Which version of JSS
> 
> Which version of the JSS do you have?
> 
> 
> Jason D. Halvorson
> Analyst/Programmer
> Workstation Support Services
> Phone: 507-538-4225
> Email:  halvorson.jason at mayo.edu
> ____________________________
> Mayo Clinic
> 200 First Street SW
> Rochester, MN 55905
> www.mayoclinic.org
> 
> 
> From: "Dorey, Dustin" <Dustin.Dorey at district196.org>
> Date: Wed, 25 Mar 2009 15:18:07 -0500
> To: Casper List <casper at list.jamfsoftware.com>
> Subject: [Casper] Java freezing up JSS
> 
> Hey has anyone else encountered an issue where every once in a while java
> seems to eat up a bunch of available memory and then the JSS will stop
> responding?   If I go in and kill the java process it just restarts and
> everything is good to go, but it¹s kind of obnoxious, and very random.   It
> just happened here, and no one was actively using Casper.   In fact we¹re on
> spring break so most  of the computers that are in our policies and such are
> shut off too.  I had 0 connections to the casper share, and java was eating up
> just over 2GB of Real Memory and I believe over 5GB of virtual.
>  
> Thanks
> -Dusty-
>  
> Dustin  Dorey
> Technology Support Cluster Specialist
> Independant School District 196
> Rosemount-Apple Valley-Eagan Public Schools
> dustin.dorey at district196.org
> 651|423|7971
> 
> 
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> 
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