Server hangs up

Hello,

This has happened now thrice. Just out of the blue the server hanged up. Earlier I thought it was JSP, but it hung up even when I stopped running it. I am recording the uptime every minute fron cron. Today morning it goes like this

11:04:00 up 11 days, 10:32, 0 users, load average: 0.70, 0.47, 0.37
11:05:00 up 11 days, 10:33, 0 users, load average: 0.41, 0.44, 0.37
11:06:00 up 11 days, 10:34, 0 users, load average: 0.15, 0.36, 0.34
11:07:00 up 11 days, 10:35, 0 users, load average: 0.15, 0.32, 0.33
11:08:00 up 11 days, 10:36, 0 users, load average: 0.13, 0.28, 0.31
11:09:00 up 11 days, 10:37, 0 users, load average: 0.15, 0.25, 0.30
11:10:00 up 11 days, 10:38, 0 users, load average: 0.32, 0.27, 0.30
11:11:00 up 11 days, 10:39, 0 users, load average: 0.19, 0.25, 0.28
11:22:02 up 11 days, 10:51, 0 users, load average: 122.46, 128.36, 75.51
11:22:02 up 11 days, 10:51, 0 users, load average: 122.46, 128.36, 75.51
11:22:02 up 11 days, 10:51, 0 users, load average: 122.46, 128.36, 75.51
11:22:02 up 11 days, 10:51, 0 users, load average: 122.46, 128.36, 75.51
11:26:45 up 11 days, 10:56, 0 users, load average: 178.15, 150.01, 97.89
11:26:45 up 11 days, 10:56, 0 users, load average: 178.15, 150.01, 97.89
11:26:45 up 11 days, 10:56, 0 users, load average: 178.15, 150.01, 97.89
11:26:45 up 11 days, 10:56, 0 users, load average: 178.89, 151.09, 98.80
11:35:55 up 11 days, 11:05, 0 users, load average: 226.38, 205.30, 151.58
11:44:47 up 2 min, 1 user, load average: 1.78, 0.57, 0.20
11:45:00 up 2 min, 1 user, load average: 1.50, 0.55, 0.20

Last two values are after reboot.

I searched the logs, but found nothing which seemed to have caused the problem.

P.S. I have now also started recording ps values every minute just so that in future I have some clue.

k Singh

 

 

 

 

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