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xen-users
Re: [Xen-users] dom0 got load of 80
On Wed, Jan 28, 2009 at 9:47 AM, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote:
> On Wed, Jan 28, 2009 at 3:30 PM, Heiko <rupertt@xxxxxxxxx> wrote:
>> i dont have set any option to give dom0 a seperate CPU or RAM,
>> do I have to set (dom0-cpus 0) to (dom0-cpus 1) for that?
>
> It would be best, yes.
> Here's what I use on xend-config.sxp
>
> (dom0-cpus 1)
> (dom0-min-mem 256)
>
Hello,
i did set this option and will restart the xend later?
Can i do the xend restart without any influence on the domUs?
> and on grub's menu.lst
>
> kernel /xen.gz-2.6.18-128.el5 dom0_mem=512M dom0_vcpus_pin
>
did that too
>> these are my domU on that host:
>>
>> [root@x1blade1:~]# xm list
>> Name ID Mem(MiB) VCPUs State Time(s)
>> Domain-0 0 10147 8 r----- 388610.5
>
> This shows dom0 has 10G mem, which is good
>
>>>
>>>> Jan 28 06:07:32 x1blade1 kernel: python invoked oom-killer:
>>>> gfp_mask=0x201d2, order=0, oomkilladj=0
>
> This one shows python eats the memory. Which is veeeeery bad.
> Now python is used for lots of things (xend among them), but in my
> setup (where dom0 can only use 256-512M, and it only runs xend
> service) it never acted up like that.
>
> So the next question is what other programs on your dom0 uses python,
> and look at it. You can disable them to see if it has any effects.
>
mmh, in the top below I can see that much pyhton stuff.
My xen domU check uses "xm list", can that be a problem?
This check gets exectuted for each domU, so i can happen that it runs
as much at one as there are domUs.
http://www.nagiosexchange.org/cgi-bin/page.cgi?g=Detailed%2F2272.html;d=1
21259 ? S 0:00 \_ nrpe -c /etc/nagios/nrpe.cfg -d
21260 ? S 0:00 \_ /bin/bash
/usr/lib64/nagios/plugins/check_xen domU monitoring-1
21275 ? S 0:00 \_ /bin/bash
/usr/lib64/nagios/plugins/check_xen domU monitoring-1
21276 ? R 0:00 \_ python /usr/sbin/xm list
21277 ? S 0:00 \_ grep monitoring-1
21278 ? S 0:00 \_ awk { print $6 }
greetings.
.r
here is the rest of top:
PID TTY STAT TIME COMMAND
1 ? Ss 1:47 init [3]
2 ? S 0:08 [migration/0]
3 ? SN 0:54 [ksoftirqd/0]
4 ? S 0:00 [watchdog/0]
5 ? S 0:04 [migration/1]
6 ? SN 0:08 [ksoftirqd/1]
7 ? S 0:00 [watchdog/1]
8 ? S 0:07 [migration/2]
9 ? SN 0:17 [ksoftirqd/2]
10 ? S 0:00 [watchdog/2]
11 ? S 0:05 [migration/3]
12 ? SN 0:16 [ksoftirqd/3]
13 ? S 0:00 [watchdog/3]
14 ? S 0:04 [migration/4]
15 ? SN 0:10 [ksoftirqd/4]
16 ? S 0:00 [watchdog/4]
17 ? S 0:05 [migration/5]
18 ? SN 0:45 [ksoftirqd/5]
19 ? S 0:00 [watchdog/5]
20 ? S 0:05 [migration/6]
21 ? SN 0:40 [ksoftirqd/6]
22 ? S 0:00 [watchdog/6]
23 ? S 0:03 [migration/7]
24 ? SN 0:13 [ksoftirqd/7]
25 ? S 0:00 [watchdog/7]
26 ? S< 0:03 [events/0]
27 ? S< 0:00 [events/1]
28 ? S< 0:00 [events/2]
29 ? S< 0:00 [events/3]
30 ? S< 0:00 [events/4]
31 ? S< 0:00 [events/5]
32 ? S< 0:00 [events/6]
33 ? S< 0:02 [events/7]
34 ? S< 0:00 [khelper]
35 ? S< 0:00 [kthread]
37 ? S< 0:00 \_ [xenwatch]
38 ? S< 0:00 \_ [xenbus]
47 ? S< 0:00 \_ [kblockd/0]
48 ? S< 0:00 \_ [kblockd/1]
49 ? S< 0:00 \_ [kblockd/2]
50 ? S< 0:00 \_ [kblockd/3]
51 ? S< 0:00 \_ [kblockd/4]
52 ? S< 0:00 \_ [kblockd/5]
53 ? S< 0:00 \_ [kblockd/6]
54 ? S< 0:00 \_ [kblockd/7]
55 ? S< 0:00 \_ [kacpid]
159 ? S< 0:00 \_ [cqueue/0]
160 ? S< 0:00 \_ [cqueue/1]
161 ? S< 0:00 \_ [cqueue/2]
162 ? S< 0:00 \_ [cqueue/3]
163 ? S< 0:00 \_ [cqueue/4]
164 ? S< 0:00 \_ [cqueue/5]
165 ? S< 0:00 \_ [cqueue/6]
166 ? S< 0:00 \_ [cqueue/7]
170 ? S< 0:00 \_ [khubd]
172 ? S< 0:00 \_ [kseriod]
271 ? S< 15:03 \_ [kswapd0]
272 ? S< 0:00 \_ [aio/0]
273 ? S< 0:00 \_ [aio/1]
274 ? S< 0:00 \_ [aio/2]
275 ? S< 0:00 \_ [aio/3]
276 ? S< 0:00 \_ [aio/4]
277 ? S< 0:00 \_ [aio/5]
278 ? S< 0:00 \_ [aio/6]
279 ? S< 0:00 \_ [aio/7]
421 ? S< 0:00 \_ [kpsmoused]
526 ? S< 0:00 \_ [scsi_eh_0]
536 ? S< 0:00 \_ [scsi_eh_1]
537 ? S< 0:07 \_ [usb-storage]
539 ? S< 0:00 \_ [scsi_eh_2]
540 ? S< 0:01 \_ [usb-storage]
542 ? S< 2:19 \_ [kjournald]
569 ? S< 0:02 \_ [kauditd]
3436 ? S< 0:00 \_ [kmpathd/0]
3437 ? S< 0:00 \_ [kmpathd/1]
3438 ? S< 0:00 \_ [kmpathd/2]
3439 ? S< 0:00 \_ [kmpathd/3]
3440 ? S< 0:00 \_ [kmpathd/4]
3441 ? S< 0:00 \_ [kmpathd/5]
3442 ? S< 0:00 \_ [kmpathd/6]
3443 ? S< 0:00 \_ [kmpathd/7]
3488 ? S< 0:00 \_ [kjournald]
4993 ? SN 4:26 \_ [kipmi0]
7690 ? S< 0:01 \_ [xvd 1]
7691 ? S< 0:00 \_ [xvd 1 07:00]
8102 ? S< 0:32 \_ [xvd 2]
8103 ? S< 0:00 \_ [xvd 2 07:01]
8365 ? S< 0:01 \_ [xvd 3]
8366 ? S< 0:00 \_ [xvd 3 07:02]
9887 ? S< 0:01 \_ [xvd 4]
9888 ? S< 0:00 \_ [xvd 4 07:03]
10387 ? S< 0:00 \_ [xvd 5]
10389 ? S< 0:00 \_ [xvd 5 07:04]
356 ? S 0:00 \_ [pdflush]
358 ? S 0:00 \_ [pdflush]
603 ? S<s 0:00 /sbin/udevd -d
4090 ? S<sl 2:12 auditd
4092 ? S<s 0:23 \_ python /sbin/audispd
4122 ? Ss 1:01 syslogd -m 0
4125 ? Ss 0:33 klogd -x
4141 ? Ss 2:35 irqbalance
4176 ? Ss 0:00 portmap
4201 ? Ss 0:00 rpc.statd
4252 ? Ss 0:28 rpc.idmapd
4279 ? Ss 0:00 dbus-daemon --system
4294 ? Ss 0:00 /usr/sbin/hcid
4298 ? Ss 0:00 /usr/sbin/sdpd
4343 ? S< 0:00 [krfcommd]
4391 ? Ssl 0:33 pcscd
4423 ? Ss 0:00 /usr/bin/hidd --server
4453 ? Ssl 1:48 automount
4476 ? Ss 0:00 /usr/sbin/acpid
4492 ? Sl 6:33 /usr/sbin/snmpd -Lsd -Lf /dev/null -p
/var/run/snmpd.pid -a
4525 ? Ss 2:08 /usr/sbin/sshd
25055 ? Ss 0:00 \_ sshd: root@notty
25068 ? Ss 0:00 | \_ /usr/libexec/openssh/sftp-server
16943 ? Ss 0:00 \_ sshd: root@pts/3
16945 pts/3 Ss 0:00 \_ -bash
17955 pts/3 R+ 0:00 \_ ps afx
17956 pts/3 D+ 0:00 \_ -bash
4569 ? Ss 0:00 cupsd
4587 ? SLs 0:00 ntpd -u ntp:ntp -p /var/run/ntpd.pid -g
4602 ? Ss 0:41 nrpe -c /etc/nagios/nrpe.cfg -d
4626 ? Ss 3:58 sendmail: accepting connections
4634 ? Ss 0:00 sendmail: Queue runner@01:00:00 for
/var/spool/clientmqueue
4650 ? Ss 0:00 gpm -m /dev/input/mice -t exps2
4665 ? Ss 1:06 crond
4694 ? Ss 0:07 /usr/sbin/atd
4711 ? Ssl 0:14 /etc/delloma.d/oma/bin/dsm_om_shrsvc32d
5306 ? Ssl 6:52 /opt/dell/srvadmin/dataeng/bin/dsm_sa_datamgr32d
5307 ? Ss 0:00 \_ /opt/dell/srvadmin/dataeng/bin/dsm_sa_datamgr32d
6285 ? Ssl 1:06 /opt/dell/srvadmin/dataeng/bin/dsm_sa_eventmgr32d
6297 ? Ssl 2:32 /opt/dell/srvadmin/dataeng/bin/dsm_sa_snmp32d
6337 ? Ss 0:00 /etc/delloma.d/iws/bin/linux/dsm_om_connsvc32d -run
6338 ? Sl 7:47 \_
/etc/delloma.d/iws/bin/linux/dsm_om_connsvc32d -run
6365 ? S 0:00 libvirt_qemud --system --daemon
6573 ? S 0:00 \_ dnsmasq --keep-in-foreground
--strict-order --bind-interfaces --pid-file --conf-file
--listen-address 192.168.122.1 --except-interface lo
--dhcp-leasefile=/var/lib/libvirt/dhcp-default.leases --dhcp-range
192.168.122.2,192.168.122.254
6553 ? S 18:37 /usr/bin/python /usr/sbin/yum-updatesd
6578 ? Ss 3:02 hald
6579 ? S 0:00 \_ hald-runner
6591 ? S 0:00 \_ hald-addon-acpi: listening on acpid
socket /var/run/acpid.socket
6594 ? S 0:00 \_ hald-addon-keyboard: listening on
/dev/input/event3
6598 ? S 0:00 \_ hald-addon-keyboard: listening on
/dev/input/event2
6605 ? S 0:00 \_ hald-addon-keyboard: listening on
/dev/input/event0
6617 ? S 1:03 \_ hald-addon-storage: polling /dev/scd0
6619 ? S 0:38 \_ hald-addon-storage: polling /dev/sdb
6976 ? S 885:27 xenstored --pid-file /var/run/xenstore.pid
6990 ? S 0:00 python /usr/sbin/xend start
368 ? Sl 1:27 \_ python /usr/sbin/xend start
6992 ? Ssl 0:00 blktapctrl
6995 ? Sl 0:00 xenconsoled --log none --log-dir /var/log/xen/console
7304 ? S 0:00 /usr/sbin/smartd -q never
7365 ? Sl 3:17 tapdisk /dev/xen/tapctrlwrite1 /dev/xen/tapctrlread1
7569 ? S< 0:00 [loop0]
7760 ? Sl 21:18 tapdisk /dev/xen/tapctrlwrite2 /dev/xen/tapctrlread2
7927 ? S< 0:00 [loop1]
8166 ? Sl 3:49 tapdisk /dev/xen/tapctrlwrite3 /dev/xen/tapctrlread3
8353 ? S< 0:00 [loop2]
8378 tty1 Ss+ 0:00 /sbin/mingetty tty1
8379 tty2 Ss+ 0:00 /sbin/mingetty tty2
8380 tty3 Ss+ 0:00 /sbin/mingetty tty3
8381 tty4 Ss+ 0:00 /sbin/mingetty tty4
8382 tty5 Ss+ 0:00 /sbin/mingetty tty5
8383 tty6 Ss+ 0:00 /sbin/mingetty tty6
9667 ? Sl 3:18 tapdisk /dev/xen/tapctrlwrite4 /dev/xen/tapctrlread4
9843 ? S< 0:00 [loop3]
9970 ? Sl 2:30 tapdisk /dev/xen/tapctrlwrite5 /dev/xen/tapctrlread5
10189 ? S< 0:00 [loop4]
348 ? S 0:00 nrpe -c /etc/nagios/nrpe.cfg -d
350 ? S 0:00 nrpe -c /etc/nagios/nrpe.cfg -d
> Regards,
>
> Fajar
>
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