Re: Antw: ONMS 1.6.10 - java taking 100% of CPU

Thank you Michael, the system  is functioning  after increasing the  
JAVA_HEAP_SIZE parameter.  I'll keep the tuning reference in mind as I  
get further into the application.  Thanks again for your response.
-Chris
On Apr 8, 2010, at 10:14 AM, Michael Seibold wrote:

> Take a look at the tuning guide: http://www.opennms.org/wiki/Performance_tuning
>
> I would start adding memory to java as described there. You have a  
> lot of memory free, I would propose to give the jvm 2-3 GB RAM.
>
> - Michael
>
>>>> cmcg <[email protected]> 08.04.2010 03:28 >>>
> New install of ONMS 1.6.10 on FC12.  Discovered a few devices without
> any problem.  I then added several IP address ranges to discover which
> should find approximately 500 devices.  System is now really slow with
> java consuming 100% of CPU.   Where do I begin ?
>
> top - 20:46:32 up 15 days, 3:44, 1 user, load average: 0.99, 1.00,  
> 1.00
> Tasks: 196 total, 1 running, 195 sleeping, 0 stopped, 0 zombie
> Cpu(s): 25.1%us, 0.1%sy, 0.0%ni, 74.8%id, 0.0%wa, 0.0%hi, 0.0%si,  
> 0.0%st
> Mem: 7945048k total, 3401624k used, 4543424k free, 270176k buffers
> Swap: 5914616k total, 0k used, 5914616k free, 2424276k cached
>
> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> 2748 root 20 0 717m 468m 65m S 100.1 6.0 1087:55 java
> 305 root 15 -5 0 0 0 S 0.3 0.0 0:32.81 kjournald2
> 7002 onmsadmi 20 0 2560 1108 824 R 0.3 0.0 0:06.74 top
> 10856 postgres 20 0 46764 1260 712 S 0.3 0.0 0:47.16 postmaster
>
>
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