AMMRL: Linux computerslow down problem

From: Zhang, Weixing <Weixing.Zhang_at_stjude.org>
Date: Thu, 30 Aug 2007 12:58:44 -0500

Hello:

> We have a Linux computer (HP XW4200) which works as the host
> worksattion for a Bruker 400 MHz NMR.
ICON-NMR is used for automation. The computer works fine after it was
rebooted, but it slowed down late.
> Here is the information from the file /proc/meminfo:
>
> After the computer was rebooted, it is like this:
> total: used: free: shared: buffers: cached:
> Mem: 1050001408 460083200 589918208 0 23228416 187777024
> Swap: 4194869248 0 4194869248
>
> When the computer becomes too slow, it becomes:
> total: used: free: shared: buffers: cached:
> Mem: 1050001408 1029054464 20946944 0 3620864 764563456
> Swap: 4194869248 1265819648 2929049600
> A lot of memory and swap space was used.
>
When I used the "top" command to check processes, I found that the
command "X" run by root
uses more than 50% of the memory and it is still increasing gradually.

> Do you have any suggestions to find out what might cause the slow
> down.
What does the "X" command do?

> Thanks,
> Weixing Zhang
>
Received on Thu Aug 30 2007 - 13:21:55 MST

This archive was generated by hypermail 2.4.0 : Sun Jun 11 2023 - 16:29:11 MST