Antw: ONMS 1.6.10 - java taking 100% of CPU

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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