I'm running into the same issues on the Lucid 64bit EBS AMI, except with
much higher load:
$ uptime
18:06:22 up 18:31, 2 users, load average: 12.16, 13.54, 13.78
$ top -bn1 | head -20
top - 18:06:52 up 18:32, 2 users, load average: 11.53, 13.19, 13.65
Tasks: 108 total, 1 running, 107 sleeping, 0 stopped, 0 zombie
Cpu(s): 4.4%us, 0.9%sy, 0.0%ni, 92.2%id, 0.2%wa, 0.0%hi, 0.0%si, 2.4%st
Mem: 7864548k total, 3910252k used, 3954296k free, 194372k buffers
Swap: 0k total, 0k used, 0k free, 461708k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 20 0 23704 1896 1268 S 0 0.0 0:00.15 init
2 root 20 0 0 0 0 S 0 0.0 0:00.00 kthreadd
3 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/0
4 root 20 0 0 0 0 S 0 0.0 0:00.00 ksoftirqd/0
5 root RT 0 0 0 0 S 0 0.0 0:00.00 watchdog/0
6 root 20 0 0 0 0 S 0 0.0 0:00.00 events/0
7 root 20 0 0 0 0 S 0 0.0 0:00.00 cpuset
8 root 20 0 0 0 0 S 0 0.0 0:00.00 khelper
9 root 20 0 0 0 0 S 0 0.0 0:00.00 netns
10 root 20 0 0 0 0 S 0 0.0 0:00.00 async/mgr
11 root 20 0 0 0 0 S 0 0.0 0:00.00 xenwatch
12 root 20 0 0 0 0 S 0 0.0 0:00.00 xenbus
14 root RT 0 0 0 0 S 0 0.0 0:00.00 migration/1
$ iostat -k
Linux 2.6.32-305-ec2 (ip-10-196-38-176) 07/09/2010 _x86_64_
(2 CPU)
avg-cpu: %user %nice %system %iowait %steal %idle
4.35 0.00 0.94 0.16 2.36 92.20
Device: tps kB_read/s kB_wrtn/s kB_read kB_wrtn
sda1 3.10 3.79 15.36 252813 1025840
sdb 0.00 0.01 0.00 381 24
$ uptime
18:07:45 up 18:33, 2 users, load average: 15.13, 13.87, 13.85
I have about 30 workers for misc programs running that are sitting idle,
I'm moving over from a debian lenny box at a colo with nearly identical
specs running slightly more workers with the same general setup, and the
load is sitting at around 1 on that box.
--
High load averages on Lucid while idling
https://bugs.launchpad.net/bugs/574910
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