If you run a poller by hand you will see how much time it takes to do each step.
That way you will know if its disk bound or mysql-bound. Putting the DB in another box always helps. Are you using the poller2 right? Javier Leigh Porter wrote: > > Hiya all, > > I still have this box with crazy JFFNMS slowness. Take a look at this! : > > Alarms: down: 63 > Hosts: 57 > Interfaces: 2055 > > 3:37am up 11 days 18:07, 1 user, load average: 33.31, 33.08, 33.86 > > Polling on some hosts is taking upto 13 minutes! > > The box is a Duel processor 3.0Ghz Xeon with 2Gb memory. I'm using MySQL > for the database > and a 2.6.11 kernel (SuSE 9.3 box) > > I have seperate disks for the MySQL database and the rest of JFFNMS > (i.e. rrd). The JFFNMS > disks are a couple of RAID0 fast SCSI disks on a fast RAID controller. > > Here are the iostats: > > jffnms:/proc # iostat > Linux 2.6.11.4-20a-smp (jffnms) 04/12/06 > > avg-cpu: %user %nice %sys %iowait %idle > 73.51 0.00 14.54 0.36 11.59 > > Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn > fd0 0.00 0.00 0.00 6 0 > sda 10.25 2.10 184.38 2132000 187296360 > sdb 133.05 39.99 1386.92 40624856 1408857488 > hdc 0.00 0.00 0.00 152 0 > > There are a lot of tps towards the sdb disk (this is where jffnms lives) > and the Block writes > per second are high, but I would not have thought that this would cause > the slowness I see. > > I see other people on the list monitoring large networks on much smaller > hardware, whatever > could be happening here!? > > I don't really want to throw more hardware at it until I know where to > throw it at. Perhaps > moving MySQL onto a seperate box would help, but then it does not look > as though MySQL is > that busy anyway. > > If anybody has any ideas, it'd be appreciated! > > Thanks, > Leigh Porter > > -- =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Javier Szyszlican, Project Leader, JFFNMS [EMAIL PROTECTED] I hope JFFNMS or I were helpful to you, if you can, please donate at http://jffnms.org/donate ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ jffnms-users mailing list jffnms-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jffnms-users
