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тАО07-06-2003 09:16 PM
тАО07-06-2003 09:16 PM
Problems with idling linux
I have redhat 7.3, but after couple of hours of idling it becomes very very very slow, takes ages to open telnet session or to work with already opened sessions, APMD is not running btw, any ideas?
thanx
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тАО07-06-2003 09:46 PM
тАО07-06-2003 09:46 PM
Re: Problems with idling linux
Also, are you using a GUI interface (gnome/kde) or the text based?
What services are you running on the system?
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тАО07-06-2003 10:20 PM
тАО07-06-2003 10:20 PM
Re: Problems with idling linux
can u do a ps -ef when the system becomes slow and paste it out over here.
and what are the applications this server is running
-balaji
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тАО07-06-2003 10:23 PM
тАО07-06-2003 10:23 PM
Re: Problems with idling linux
J
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тАО07-07-2003 03:38 AM
тАО07-07-2003 03:38 AM
Re: Problems with idling linux
I thought that the problem might be screensaver, so I already disabled them, and yes, I'm using KDE.
for ps -ef, I must wait for the next time machine will stuck, this morning I rebooted it.
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тАО07-07-2003 12:10 PM
тАО07-07-2003 12:10 PM
Re: Problems with idling linux
Do you see that the problems only with work
via the network?
If so it could be problem of your network driver or the net card or even a cabel.
Do you have more than one machine with this configuration?
Caesar
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тАО07-07-2003 11:38 PM
тАО07-07-2003 11:38 PM
Re: Problems with idling linux
after I removed screen saver it
s better now, this morning I looked in the "top" and saw that there is process logrotate that takes 98% of CPU!
I think logrotate and screensaver killed my linux ..
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тАО07-08-2003 07:11 AM
тАО07-08-2003 07:11 AM
Re: Problems with idling linux
so u schedule it when there is minimal down time.
-balaji
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тАО07-08-2003 04:49 PM
тАО07-08-2003 04:49 PM
Re: Problems with idling linux
As you are using it as a terminal, and thus not left on all of the time, the 'anacron' process of which gets executed when you start-up, will run. This will do daily/weekly/montly jobs as soon as it can, as close to the appointed time that it can.
This can mean that when you start up your machine, it could be doing any number of jobs because you're machien has been powered off for the weekend, or whatever.
I agree with Balji that you should NOT touch any of these scheduled jobs however. Just try to schedule them for when you aren't going to need to use your machine if it's having this much effect.
Also, if logrotate is taking more than a minute or two, it might be an idea to look at what it's getting stuck on rotating. The log files that get rotated weekly should only be a few hundred kb on a busy system. If it's taking a 'long time' to do it, there might be some sort of syslog problem causing garbage to be dumped to your log files. Also, if the 'compress' option is used in the logrotate config, it requires a fair bit of processing power to compress these files.
Just some things to think about.
NOTE: Easiest solution to anacron + scheduling jobs, leave your linux box on. Don't turn it off unless you REALLY have to.