HUPing the server does not fix it. I stop apache and then restart it. Looking at vmstat, fstat, and netstat don't offer much to go on. I'm going to experiment with a RAM upgrade and see where it takes me...
TimH On Fri, 13 Dec 2002 13:23:37 -0800 (PST) Horst <[EMAIL PROTECTED]> wrote: > Without having the answer you may want to expand on if 'Restarting the > server' means rebooting or web server restart, i.e .../httpd restart. > Also, when web server slows down does a local 'lynx IP-of-interface' > behave the same? > Would a frequent cron job be able to detect, e.g. huge amount of httpd > children, or other odd symptons,... and then call the reboot or httpd > restart? --there may be symptoms visible before the slowdown reaches the > extreme. > Certainly an every 15 min cron job that calls a logging script with > """ > ... > logFile='yourChoice' > echo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> $yourChoice > date >> $yourChoice > echo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> $yourChoice > pstree >> $yourChoice > echo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> $yourChoice > ps -Afl >> $yourChoice > echo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> $yourChoice > top -b -n 1 >> $yourChoice > echo ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> $yourChoice > ...etc > """ > > would help with the diagnostics (but don't let it grow out of control) > > - Horst > > On Fri, 13 Dec 2002, Tim Howe wrote: > > > I have a heavily used web server that has been deciding to simply stop serving >pages for up to 20 minutes at a time... I have already tried all manner of Apache >and OS tweeks to stop this but nothing seems to work. Restarting the server puts >everything back on track. What I would like to do, until I find a real fix, is have >a Perl program try to connect to that machine on port 80, and if it fails to get a >page within, say, 5 seconds, to restart the server. > > I have found a bunch of modules that will ping and or connect to web servers, but >none of them seem to have a good way to time the response. Any suggestions? > > > > TimH > > _______________________________________________ > > Eug-LUG mailing list > > [EMAIL PROTECTED] > > http://mailman.efn.org/cgi-bin/listinfo/eug-lug > > > > > > > _______________________________________________ > Eug-LUG mailing list > [EMAIL PROTECTED] > http://mailman.efn.org/cgi-bin/listinfo/eug-lug _______________________________________________ Eug-LUG mailing list [EMAIL PROTECTED] http://mailman.efn.org/cgi-bin/listinfo/eug-lug
