Hello, 2008/2/27, Kris Kennaway <[EMAIL PROTECTED]>: > Zbigniew Szalbot wrote: > > Hello, > > > >>From the MRTG data I can see that suddenly on a currently not very > > busy machine the load averege went over 15 or more. This happened > > around 10 in the morning. Not many entries in httpd access log, smtp > > server was not too much loaded (at that time it generally produces a > > load average of about 1). > > > > But this time: > > 2008-02-27 10:03:36 1JUICO-0002Bs-23 no immediate delivery: load average > 15.88 > > > > Where can I look for more information about what happened. The server > > was rebooted early in the morning so its swap consumption was almost > > non-existent. Around 10 it suddenly consumed probably around 200MB of > > swap, now it stands at 135MB which is pretty normal with this machine > > (it only has 512 RAM). SWAP usage is normal with this machine but it > > usually is a matter of 2-3 days before it gradually takes over 10-13% > > of swap space. > > > > I tried by looking at: > > http access log > > auth.log > > maillog > > messages > > > > Nothing in there indicating an outburst of sudden activities. > > > > heh - I now think I may be wrong. The load average did not necessarily > > produce so much swap consumption so fast. At 10:13 I run a cron job > > optimising all mysql tables. So maybe in fact the swap was used by > > mysql operations, although I am still interested to now what casued > > load average to go above 15 at 10:03. > > > > 10:00AM up 3:14, 0 users, load averages: 0.40, 0.13, 0.05 > > 10:01AM up 3:15, 0 users, load averages: 0.23, 0.14, 0.05 > > 10:02AM up 3:16, 0 users, load averages: 0.08, 0.11, 0.05 > > 10:03AM up 3:17, 0 users, load averages: 11.54, 3.09, 1.15 > > 10:04AM up 3:18, 0 users, load averages: 13.26, 5.69, 2.28 > > 10:05AM up 3:19, 0 users, load averages: 4.98, 4.69, 2.14 > > 10:06AM up 3:20, 0 users, load averages: 1.79, 3.80, 1.99 > > > > > > Thanks for any pointers.
> No way to know. You'll have to set up more detailed logging, e.g. a > script that runs ps if load is over a certain limit. Thank you Kris! Is anybody willing to share such a script (if there is one)? Thanks! -- Zbigniew Szalbot _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
