On 7/19/05, nodata <fedora@xxxxxxxxxxxx> wrote: > > On 7/19/05, nodata <fedora@xxxxxxxxxxxx> wrote: > >> > Hi Guys, > >> > > >> > Hope you experts can help me out here. > >> > > >> > Basically I have server running at a very high load 2.44, although > >> > nothing is noticably high when using top. There aren't any processes > >> > running on the box except the standard linux OS tools. This box is > >> > used for backup, and only becomes active during the night. > >> > > >> > Its a compaq dl380 with a raid 5 configuration. > >> > > >> > Can anyone suggest what I can do to find out why the load is high? > >> > > >> > Thanks for your help in advance. > >> > > >> > Dan > >> > > >> > >> I bet you have hanging nfs mounts. > >> If the box is constantly at a load of around 2.44, and isn't sluggish, I > >> wouldn't worry. > >> > >> Look at iostat, sar, etc. to find out why the load is like that. > >> > > > > > > Hi > > > > I've looked at these but can't see anything. The server doesn't mount > > or export any filesystems using nfs or any other protocol. If it helps > > here are the various outputs: > > > > uptime > > 14:45:49 up 62 days, 43 min, 2 users, load average: 1.46, 1.57, 1.59 > > > > sar 5 10 > > Linux 2.4.21-27.0.4.ELsmp (orion.gs.moneyextra.com) 19/07/05 > > > > 14:46:02 CPU %user %nice %system %idle > > 14:46:07 all 0.00 0.00 0.00 100.00 > > 14:46:12 all 0.00 0.00 0.10 99.90 > > 14:46:17 all 0.00 0.00 0.10 99.90 > > 14:46:22 all 0.00 0.00 0.00 100.00 > > 14:46:27 all 0.00 0.00 0.00 100.00 > > 14:46:32 all 0.00 0.00 0.10 99.90 > > 14:46:37 all 0.00 0.00 0.00 100.00 > > 14:46:42 all 0.10 0.00 0.31 99.59 > > 14:46:47 all 0.00 0.00 0.00 100.00 > > 14:46:52 all 0.00 0.00 0.00 100.00 > > Average: all 0.01 0.00 0.06 99.93 > > > > vmstat -a > > procs memory swap io system > > cpu > > r b swpd free inact active si so bi bo in cs us sy > > wa id > > 0 0 0 15404 189668 202836 0 0 3 1 0 2 3 4 > > 1 3 > > > > free -m > > total used free shared buffers cached > > Mem: 498 483 15 0 128 301 > > -/+ buffers/cache: 53 445 > > Swap: 1027 0 1027 > > > > iostat > > Linux 2.4.21-27.0.4.ELsmp (orion.gs.moneyextra.com) 19/07/05 > > > > avg-cpu: %user %nice %sys %idle > > 3.11 0.00 3.72 93.17 > > > > Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn > > /dev/ida/c0d0 19.68 427.93 279.15 2147483647 1400883506 > > /dev/ida/c0d0p1 > > 0.00 0.22 0.00 1087144 8986 > > /dev/ida/c0d0p2 > > 0.65 3.72 10.24 18680778 51401528 > > /dev/ida/c0d0p3 > > 0.00 0.00 0.00 248 0 > > /dev/ida/c0d0p4 > > 0.00 0.00 0.00 0 0 > > /dev/ida/c0d0p5 > > 0.74 3.90 6.88 19570498 34517568 > > /dev/ida/c0d0p6 > > 0.00 0.00 0.00 168 0 > > /dev/ida/c0d0p7 > > 0.00 0.00 0.00 168 0 > > /dev/ida/c0d0p8 > > 18.29 427.93 262.03 2147483647 1314955424 > > > > top > > 14:47:51 up 62 days, 45 min, 2 users, load average: 1.73, 1.61, 1.59 > > 61 processes: 60 sleeping, 1 running, 0 zombie, 0 stopped > > CPU states: cpu user nice system irq softirq iowait idle > > total 0.4% 0.0% 0.0% 0.0% 0.0% 0.0% 99.5% > > cpu00 0.9% 0.0% 0.0% 0.0% 0.0% 0.0% 99.0% > > cpu01 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 100.0% > > Mem: 510400k av, 495224k used, 15176k free, 0k shrd, 132000k > > buff > > 203040k actv, 182824k in_d, 6852k in_c > > Swap: 1052592k av, 0k used, 1052592k free 308668k > > cached > > > > PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME CPU COMMAND > > 13100 root 20 0 1092 1092 888 R 0.4 0.2 0:00 0 top > > 1 root 15 0 512 512 452 S 0.0 0.1 1:18 0 init > > 2 root RT 0 0 0 0 SW 0.0 0.0 0:00 0 > > migration/0 > > 3 root RT 0 0 0 0 SW 0.0 0.0 0:00 1 > > migration/1 > > 4 root 15 0 0 0 0 SW 0.0 0.0 0:00 1 keventd > > 5 root 34 19 0 0 0 SWN 0.0 0.0 0:00 0 > > ksoftirqd/0 > > 6 root 34 19 0 0 0 SWN 0.0 0.0 0:00 1 > > ksoftirqd/1 > > 9 root 15 0 0 0 0 SW 0.0 0.0 0:00 0 bdflush > > 7 root 15 0 0 0 0 SW 0.0 0.0 70:21 0 kswapd > > 8 root 15 0 0 0 0 SW 0.0 0.0 23:07 1 kscand > > 10 root 15 0 0 0 0 SW 0.0 0.0 3:30 0 kupdated > > 11 root 25 0 0 0 0 SW 0.0 0.0 0:00 0 > > mdrecoveryd > > 18 root 15 0 0 0 0 SW 0.0 0.0 0:00 0 ahc_dv_0 > > 19 root 25 0 0 0 0 SW 0.0 0.0 0:00 0 > > scsi_eh_0 > > 23 root 15 0 0 0 0 SW 0.0 0.0 2:30 1 > > kjournald > > 192 root 15 0 0 0 0 SW 0.0 0.0 0:00 0 > > kjournald > > 193 root 15 0 0 0 0 SW 0.0 0.0 13:57 1 > > kjournald > > 194 root 15 0 0 0 0 SW 0.0 0.0 4:18 0 > > kjournald > > 568 root 15 0 576 576 492 S 0.0 0.1 0:57 0 syslogd > > 572 root 15 0 472 472 408 S 0.0 0.0 0:00 1 klogd > > 582 root 15 0 452 452 388 S 0.0 0.0 5:33 1 > > irqbalance > > 599 rpc 15 0 600 600 524 S 0.0 0.1 0:22 0 portmap > > 618 rpcuser 25 0 720 720 644 S 0.0 0.1 0:00 0 > > rpc.statd > > 629 root 15 0 400 400 344 S 0.0 0.0 0:18 0 mdadm > > 712 root 15 0 3160 3160 2024 S 0.0 0.6 3:22 1 snmpd > > 713 root 25 0 3160 3160 2024 S 0.0 0.6 0:00 0 snmpd > > 722 root 15 0 1576 1576 1324 S 0.0 0.3 4:58 1 sshd > > > > Anyone have any ideas. Literally the box is sitting there not doing > > anything that has been scheduled. > > > > This happens occassionally then the load spontaneously goes down. Do > > you reckon it has something to do with the raid 5? > > > > Thanks > > Dan > > > > ps auxw | grep " D " > Hi, I get the following: ps auxw | grep " D " root 15802 0.0 0.1 3688 660 pts/0 S 16:06 0:00 grep D Dan
