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Old 04-25-2008, 05:34 PM
"Jason Pyeron"
 
Default load level?

I have a server holding a 2.5-4.0 load level consistently, where should I
start debugging it?

top - 13:32:01 up 167 days, 5:45, 6 users, load average: 2.87, 1.83, 1.51
Tasks: 111 total, 1 running, 110 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0% us, 0.0% sy, 0.2% ni, 99.8% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 895728k total, 871996k used, 23732k free, 190612k buffers
Swap: 1802232k total, 216k used, 1802016k free, 63776k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 16 0 4756 556 460 S 0 0.1 0:35.34 init
2 root RT 0 0 0 0 S 0 0.0 0:02.83 migration/0
3 root 34 19 0 0 0 S 0 0.0 0:27.27 ksoftirqd/0
4 root RT 0 0 0 0 S 0 0.0 0:05.03 migration/1
5 root 34 19 0 0 0 S 0 0.0 0:22.88 ksoftirqd/1
6 root 5 -10 0 0 0 S 0 0.0 0:03.15 events/0
7 root 5 -10 0 0 0 S 0 0.0 0:01.98 events/1
8 root 5 -10 0 0 0 S 0 0.0 0:00.00 khelper
9 root 5 -10 0 0 0 S 0 0.0 0:00.00 kblockd/0
10 root 5 -10 0 0 0 S 0 0.0 0:00.00 kblockd/1
11 root 15 0 0 0 0 S 0 0.0 0:00.00 khubd
66 root 15 0 0 0 0 S 0 0.0 0:16.14 pdflush
67 root 15 0 0 0 0 S 0 0.0 2:30.44 kswapd0
68 root 15 -10 0 0 0 S 0 0.0 0:00.00 aio/0
69 root 5 -10 0 0 0 S 0 0.0 0:00.00 aio/1
213 root 22 0 0 0 0 S 0 0.0 0:00.00 kseriod
450 root 5 -10 0 0 0 S 0 0.0 0:00.00 ata/0
451 root 5 -10 0 0 0 S 0 0.0 0:00.00 ata/1
452 root 6 -10 0 0 0 S 0 0.0 0:00.00 ata_aux
456 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_0
457 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_1
465 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_2
466 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_3
494 root 15 0 0 0 0 S 0 0.0 4:03.36 kjournald
542 root 16 0 24192 596 416 S 0 0.1 0:36.55 ypbind
595 root 15 0 0 0 0 S 0 0.0 0:00.00 rpciod
596 root 18 0 0 0 0 S 0 0.0 0:00.00 lockd
775 apache 15 0 185m 40m 3628 S 0 4.6 0:00.59 httpd
1832 root 5 -10 0 0 0 S 0 0.0 0:00.00 kedac
1904 root 16 0 10828 1072 856 S 0 0.1 0:00.00 pppd
1973 root 6 -10 0 0 0 S 0 0.0 0:00.00 kauditd
1998 root 20 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_4
1999 root 15 0 0 0 0 S 0 0.0 3:10.72 usb-storage
2176 root 15 0 0 0 0 S 0 0.0 0:00.01 kjournald
3070 root 15 0 3632 552 440 S 0 0.1 1:08.11 syslogd
3074 root 15 0 2540 372 296 S 0 0.0 0:00.04 klogd
3087 root 16 0 2552 300 200 S 0 0.0 0:30.06 irqbalance
3155 root 15 0 2916 488 256 S 0 0.1 0:00.97 smartd
3215 root 15 0 8716 776 612 S 0 0.1 0:00.00 xinetd
3293 root 16 0 40836 2672 984 S 0 0.3 1:07.23 sendmail
3303 smmsp 16 0 33504 2108 812 S 0 0.2 0:00.99 sendmail
3313 root 16 0 4180 324 244 S 0 0.0 0:00.00 gpm
3323 root 16 0 175m 35m 9064 S 0 4.0 0:13.24 httpd
3332 root 16 0 57092 976 560 S 0 0.1 0:50.01 crond
3353 xfs 16 0 10020 1472 756 S 0 0.2 0:00.17 xfs

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
- -
- Jason Pyeron PD Inc. http://www.pdinc.us -
- Principal Consultant 10 West 24th Street #100 -
- +1 (443) 269-1555 x333 Baltimore, Maryland 21218 -
- -
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

This message is for the designated recipient only and may contain
privileged, proprietary, or otherwise private information. If you
have received it in error, purge the message from your system and
notify the sender immediately. Any other use of the email by you
is prohibited.




_______________________________________________
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http://lists.centos.org/mailman/listinfo/centos
 
Old 04-25-2008, 05:46 PM
Kevin Faulkner
 
Default load level?

Perhaps you could run iotop find out if there is a process chewing up
your hard disks. You aren't just limited to top, you can also use
vmstat and iostat in this situation.


Jason Pyeron wrote:

I have a server holding a 2.5-4.0 load level consistently, where should I
start debugging it?

top - 13:32:01 up 167 days, 5:45, 6 users, load average: 2.87, 1.83, 1.51
Tasks: 111 total, 1 running, 110 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0% us, 0.0% sy, 0.2% ni, 99.8% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 895728k total, 871996k used, 23732k free, 190612k buffers
Swap: 1802232k total, 216k used, 1802016k free, 63776k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1 root 16 0 4756 556 460 S 0 0.1 0:35.34 init
2 root RT 0 0 0 0 S 0 0.0 0:02.83 migration/0
3 root 34 19 0 0 0 S 0 0.0 0:27.27 ksoftirqd/0
4 root RT 0 0 0 0 S 0 0.0 0:05.03 migration/1
5 root 34 19 0 0 0 S 0 0.0 0:22.88 ksoftirqd/1
6 root 5 -10 0 0 0 S 0 0.0 0:03.15 events/0
7 root 5 -10 0 0 0 S 0 0.0 0:01.98 events/1
8 root 5 -10 0 0 0 S 0 0.0 0:00.00 khelper
9 root 5 -10 0 0 0 S 0 0.0 0:00.00 kblockd/0
10 root 5 -10 0 0 0 S 0 0.0 0:00.00 kblockd/1
11 root 15 0 0 0 0 S 0 0.0 0:00.00 khubd
66 root 15 0 0 0 0 S 0 0.0 0:16.14 pdflush
67 root 15 0 0 0 0 S 0 0.0 2:30.44 kswapd0
68 root 15 -10 0 0 0 S 0 0.0 0:00.00 aio/0
69 root 5 -10 0 0 0 S 0 0.0 0:00.00 aio/1
213 root 22 0 0 0 0 S 0 0.0 0:00.00 kseriod
450 root 5 -10 0 0 0 S 0 0.0 0:00.00 ata/0
451 root 5 -10 0 0 0 S 0 0.0 0:00.00 ata/1
452 root 6 -10 0 0 0 S 0 0.0 0:00.00 ata_aux
456 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_0
457 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_1
465 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_2
466 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_3
494 root 15 0 0 0 0 S 0 0.0 4:03.36 kjournald
542 root 16 0 24192 596 416 S 0 0.1 0:36.55 ypbind
595 root 15 0 0 0 0 S 0 0.0 0:00.00 rpciod
596 root 18 0 0 0 0 S 0 0.0 0:00.00 lockd
775 apache 15 0 185m 40m 3628 S 0 4.6 0:00.59 httpd
1832 root 5 -10 0 0 0 S 0 0.0 0:00.00 kedac
1904 root 16 0 10828 1072 856 S 0 0.1 0:00.00 pppd
1973 root 6 -10 0 0 0 S 0 0.0 0:00.00 kauditd
1998 root 20 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_4
1999 root 15 0 0 0 0 S 0 0.0 3:10.72 usb-storage
2176 root 15 0 0 0 0 S 0 0.0 0:00.01 kjournald
3070 root 15 0 3632 552 440 S 0 0.1 1:08.11 syslogd
3074 root 15 0 2540 372 296 S 0 0.0 0:00.04 klogd
3087 root 16 0 2552 300 200 S 0 0.0 0:30.06 irqbalance
3155 root 15 0 2916 488 256 S 0 0.1 0:00.97 smartd
3215 root 15 0 8716 776 612 S 0 0.1 0:00.00 xinetd
3293 root 16 0 40836 2672 984 S 0 0.3 1:07.23 sendmail
3303 smmsp 16 0 33504 2108 812 S 0 0.2 0:00.99 sendmail
3313 root 16 0 4180 324 244 S 0 0.0 0:00.00 gpm
3323 root 16 0 175m 35m 9064 S 0 4.0 0:13.24 httpd
3332 root 16 0 57092 976 560 S 0 0.1 0:50.01 crond
3353 xfs 16 0 10020 1472 756 S 0 0.2 0:00.17 xfs

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
- -
- Jason Pyeron PD Inc. http://www.pdinc.us -
- Principal Consultant 10 West 24th Street #100 -
- +1 (443) 269-1555 x333 Baltimore, Maryland 21218 -
- -
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

This message is for the designated recipient only and may contain

privileged, proprietary, or otherwise private information. If you
have received it in error, purge the message from your system and
notify the sender immediately. Any other use of the email by you
is prohibited.





_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos


_______________________________________________
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http://lists.centos.org/mailman/listinfo/centos
 
Old 04-25-2008, 05:57 PM
"Filipe Brandenburger"
 
Default load level?

On Fri, Apr 25, 2008 at 1:46 PM, Kevin Faulkner <kevlar.kernel@gmail.com> wrote:
> Perhaps you could run iotop find out if there is a process chewing up your
> hard disks. You aren't just limited to top, you can also use vmstat and
> iostat in this situation.

I also recommend dstat (http://dag.wieers.com/home-made/dstat/). It
shows informations from several sources, so it's possible to see if
you have CPU peaks and I/O peaks at the same time.

Filipe
_______________________________________________
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http://lists.centos.org/mailman/listinfo/centos
 
Old 04-25-2008, 07:51 PM
"Jason Pyeron"
 
Default load level?

> -----Original Message-----
> From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On
> Behalf Of Kevin Faulkner
> Sent: Friday, April 25, 2008 1:46 PM
> To: CentOS mailing list
> Subject: Re: [CentOS] load level?
>
> Perhaps you could run iotop find out if there is a process chewing up
> your hard disks. You aren't just limited to top, you can also use
> vmstat and iostat in this situation.

After stoping httpd, sendmail and mysql:

# uptime
15:48:02 up 167 days, 9:20, 5 users, load average: 0.52, 0.55, 0.92

# vmstat

procs -----------memory---------- ---swap-- -----io---- --system--
----cpu----
r b swpd free buff cache si so bi bo in cs us sy id
wa
0 0 196 144668 153800 202860 0 0 3 9 1 2 13 12 75
0


init(1)-+-atd(3370)
|-dbus-daemon-1(3392)
|-events/0(6)-+-aio/0(68)
| |-aio/1(69)
| |-kauditd(1973)
| |-kblockd/0(9)
| |-kblockd/1(10)
| |-khelper(8)
| `-pdflush(66)
|-events/1(7)-+-ata/0(450)
| |-ata/1(451)
| |-ata_aux(452)
| |-kedac(1832)
| `-pdflush(21556)
|-gpm(3313)
|-hald(3402)
|-irqbalance(3087)
|-khubd(11)
|-kjournald(494)
|-kjournald(2176)
|-klogd(3074)
|-kseriod(213)
|-ksoftirqd/0(3)
|-ksoftirqd/1(5)
|-kswapd0(67)
|-lockd(596)
|-login(3509)---bash(19184)
|-migration/0(2)
|-migration/1(4)
|-mingetty(3510)
|-mingetty(3511)
|-mingetty(3512)
|-mingetty(3513)
|-mingetty(3514)
|-minilogd(20220)
|-minilogd(22648)
|-portmap(26404)
|-rpciod(595)
|-scsi_eh_0(456)
|-scsi_eh_1(457)
|-scsi_eh_2(465)
|-scsi_eh_3(466)
|-scsi_eh_4(1998)
|-smartd(3155)
|-sshd(21029)-+-sshd(11899)---bash(11911)-+-pstree(14050)
| | `-tail(12125)
| |-sshd(12900)---sshd(12902)---bash(12913)
| |-sshd(13882)---bash(13900)
| `-sshd(23839)---bash(23841)
|-syslogd(3070)
|-udevd(7922)
|-usb-storage(1999)
|-xfs(3353)
|-xinetd(3215)
`-ypbind(14008)

# up2date --whatprovides iostat
# up2date --whatprovides iotop
#

Where do I get iostat / iotop?


Starting sendmail back up puts me in the high 1's to low 2's


>
> Jason Pyeron wrote:
> > I have a server holding a 2.5-4.0 load level consistently, where should
> I
> > start debugging it?
> >
> > top - 13:32:01 up 167 days, 5:45, 6 users, load average: 2.87, 1.83,
> 1.51
> > Tasks: 111 total, 1 running, 110 sleeping, 0 stopped, 0 zombie
> > Cpu(s): 0.0% us, 0.0% sy, 0.2% ni, 99.8% id, 0.0% wa, 0.0% hi,
> 0.0% si
> > Mem: 895728k total, 871996k used, 23732k free, 190612k buffers
> > Swap: 1802232k total, 216k used, 1802016k free, 63776k cached
> >
> > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
> > 1 root 16 0 4756 556 460 S 0 0.1 0:35.34 init
> > 2 root RT 0 0 0 0 S 0 0.0 0:02.83 migration/0
> > 3 root 34 19 0 0 0 S 0 0.0 0:27.27 ksoftirqd/0
> > 4 root RT 0 0 0 0 S 0 0.0 0:05.03 migration/1
> > 5 root 34 19 0 0 0 S 0 0.0 0:22.88 ksoftirqd/1
> > 6 root 5 -10 0 0 0 S 0 0.0 0:03.15 events/0
> > 7 root 5 -10 0 0 0 S 0 0.0 0:01.98 events/1
> > 8 root 5 -10 0 0 0 S 0 0.0 0:00.00 khelper
> > 9 root 5 -10 0 0 0 S 0 0.0 0:00.00 kblockd/0
> > 10 root 5 -10 0 0 0 S 0 0.0 0:00.00 kblockd/1
> > 11 root 15 0 0 0 0 S 0 0.0 0:00.00 khubd
> > 66 root 15 0 0 0 0 S 0 0.0 0:16.14 pdflush
> > 67 root 15 0 0 0 0 S 0 0.0 2:30.44 kswapd0
> > 68 root 15 -10 0 0 0 S 0 0.0 0:00.00 aio/0
> > 69 root 5 -10 0 0 0 S 0 0.0 0:00.00 aio/1
> > 213 root 22 0 0 0 0 S 0 0.0 0:00.00 kseriod
> > 450 root 5 -10 0 0 0 S 0 0.0 0:00.00 ata/0
> > 451 root 5 -10 0 0 0 S 0 0.0 0:00.00 ata/1
> > 452 root 6 -10 0 0 0 S 0 0.0 0:00.00 ata_aux
> > 456 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_0
> > 457 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_1
> > 465 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_2
> > 466 root 15 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_3
> > 494 root 15 0 0 0 0 S 0 0.0 4:03.36 kjournald
> > 542 root 16 0 24192 596 416 S 0 0.1 0:36.55 ypbind
> > 595 root 15 0 0 0 0 S 0 0.0 0:00.00 rpciod
> > 596 root 18 0 0 0 0 S 0 0.0 0:00.00 lockd
> > 775 apache 15 0 185m 40m 3628 S 0 4.6 0:00.59 httpd
> > 1832 root 5 -10 0 0 0 S 0 0.0 0:00.00 kedac
> > 1904 root 16 0 10828 1072 856 S 0 0.1 0:00.00 pppd
> > 1973 root 6 -10 0 0 0 S 0 0.0 0:00.00 kauditd
> > 1998 root 20 0 0 0 0 S 0 0.0 0:00.00 scsi_eh_4
> > 1999 root 15 0 0 0 0 S 0 0.0 3:10.72 usb-storage
> > 2176 root 15 0 0 0 0 S 0 0.0 0:00.01 kjournald
> > 3070 root 15 0 3632 552 440 S 0 0.1 1:08.11 syslogd
> > 3074 root 15 0 2540 372 296 S 0 0.0 0:00.04 klogd
> > 3087 root 16 0 2552 300 200 S 0 0.0 0:30.06 irqbalance
> > 3155 root 15 0 2916 488 256 S 0 0.1 0:00.97 smartd
> > 3215 root 15 0 8716 776 612 S 0 0.1 0:00.00 xinetd
> > 3293 root 16 0 40836 2672 984 S 0 0.3 1:07.23 sendmail
> > 3303 smmsp 16 0 33504 2108 812 S 0 0.2 0:00.99 sendmail
> > 3313 root 16 0 4180 324 244 S 0 0.0 0:00.00 gpm
> > 3323 root 16 0 175m 35m 9064 S 0 4.0 0:13.24 httpd
> > 3332 root 16 0 57092 976 560 S 0 0.1 0:50.01 crond
> > 3353 xfs 16 0 10020 1472 756 S 0 0.2 0:00.17 xfs
> >
> > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> > - -
> > - Jason Pyeron PD Inc. http://www.pdinc.us -
> > - Principal Consultant 10 West 24th Street #100 -
> > - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 -
> > - -
> > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> >
> > This message is for the designated recipient only and may contain
> > privileged, proprietary, or otherwise private information. If you
> > have received it in error, purge the message from your system and
> > notify the sender immediately. Any other use of the email by you
> > is prohibited.
> >
> >
> >
> >
> > _______________________________________________
> > CentOS mailing list
> > CentOS@centos.org
> > http://lists.centos.org/mailman/listinfo/centos
>
> _______________________________________________
> CentOS mailing list
> CentOS@centos.org
> http://lists.centos.org/mailman/listinfo/centos

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
- -
- Jason Pyeron PD Inc. http://www.pdinc.us -
- Principal Consultant 10 West 24th Street #100 -
- +1 (443) 269-1555 x333 Baltimore, Maryland 21218 -
- -
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

This message is for the designated recipient only and may contain
privileged, proprietary, or otherwise private information. If you
have received it in error, purge the message from your system and
notify the sender immediately. Any other use of the email by you
is prohibited.



_______________________________________________
CentOS mailing list
CentOS@centos.org
http://lists.centos.org/mailman/listinfo/centos
 
Old 04-25-2008, 07:56 PM
Milton Calnek
 
Default load level?

Jason Pyeron wrote:

-----Original Message-----


Starting sendmail back up puts me in the high 1's to low 2's


Are you getting lots of large-ish emails? maybe sendmail is
working with some sort of anti-virus/spam tool?

--
Milton Calnek BSc, A/Slt(Ret.)
milton@calnek.com
306-717-8737


--
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.

_______________________________________________
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http://lists.centos.org/mailman/listinfo/centos
 
Old 04-25-2008, 08:04 PM
"Ross S. W. Walker"
 
Default load level?

Jason Pyeron wrote:
> Kevin Faulkner wrote:
> >
> > Perhaps you could run iotop find out if there is a process chewing up
> > your hard disks. You aren't just limited to top, you can also use
> > vmstat and iostat in this situation.
>
> After stoping httpd, sendmail and mysql:
>
> # uptime
> 15:48:02 up 167 days, 9:20, 5 users, load average: 0.52, 0.55, 0.92
>
> # vmstat
>
> procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
> r b swpd free buff cache si so bi bo in cs us sy id wa
> 0 0 196 144668 153800 202860 0 0 3 9 1 2 13 12 75 0
>
>
> init(1)-+-atd(3370)
> |-dbus-daemon-1(3392)
> |-events/0(6)-+-aio/0(68)
> | |-aio/1(69)
> | |-kauditd(1973)
> | |-kblockd/0(9)
> | |-kblockd/1(10)
> | |-khelper(8)
> | `-pdflush(66)
> |-events/1(7)-+-ata/0(450)
> | |-ata/1(451)
> | |-ata_aux(452)
> | |-kedac(1832)
> | `-pdflush(21556)
> |-gpm(3313)
> |-hald(3402)
> |-irqbalance(3087)
> |-khubd(11)
> |-kjournald(494)
> |-kjournald(2176)
> |-klogd(3074)
> |-kseriod(213)
> |-ksoftirqd/0(3)
> |-ksoftirqd/1(5)
> |-kswapd0(67)
> |-lockd(596)
> |-login(3509)---bash(19184)
> |-migration/0(2)
> |-migration/1(4)
> |-mingetty(3510)
> |-mingetty(3511)
> |-mingetty(3512)
> |-mingetty(3513)
> |-mingetty(3514)
> |-minilogd(20220)
> |-minilogd(22648)
> |-portmap(26404)
> |-rpciod(595)
> |-scsi_eh_0(456)
> |-scsi_eh_1(457)
> |-scsi_eh_2(465)
> |-scsi_eh_3(466)
> |-scsi_eh_4(1998)
> |-smartd(3155)
> |-sshd(21029)-+-sshd(11899)---bash(11911)-+-pstree(14050)
> | | `-tail(12125)
> | |-sshd(12900)---sshd(12902)---bash(12913)
> | |-sshd(13882)---bash(13900)
> | `-sshd(23839)---bash(23841)
> |-syslogd(3070)
> |-udevd(7922)
> |-usb-storage(1999)
> |-xfs(3353)
> |-xinetd(3215)
> `-ypbind(14008)

Nice process tree, what generated it?

> # up2date --whatprovides iostat
> # up2date --whatprovides iotop

Try 'yum provides iostat'

> Where do I get iostat / iotop?

They're in the sysstat package

> Starting sendmail back up puts me in the high 1's to low 2's

I would think about isolating email then, especially if it's
handling it unfiltered from the Internet.

-Ross

__________________________________________________ ____________________
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please immediately notify the sender and permanently delete the
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Old 04-25-2008, 08:20 PM
Paul Heinlein
 
Default load level?

On Fri, 25 Apr 2008, Ross S. W. Walker wrote:


init(1)-+-atd(3370)
|-dbus-daemon-1(3392)
|-events/0(6)-+-aio/0(68)
| |-aio/1(69)
[...snip...]
|-xfs(3353)
|-xinetd(3215)
`-ypbind(14008)


Nice process tree, what generated it?


pstree, part of the psmisc package.

--
Paul Heinlein <> heinlein@madboa.com <> http://www.madboa.com/
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Old 04-25-2008, 08:30 PM
"Ross S. W. Walker"
 
Default load level?

Paul Heinlein wrote:
> On Fri, 25 Apr 2008, Ross S. W. Walker wrote:
>
> >> init(1)-+-atd(3370)
> >> |-dbus-daemon-1(3392)
> >> |-events/0(6)-+-aio/0(68)
> >> | |-aio/1(69)
> >> [...snip...]
> >> |-xfs(3353)
> >> |-xinetd(3215)
> >> `-ypbind(14008)
> >
> > Nice process tree, what generated it?
>
> pstree, part of the psmisc package.

Thanks, good to know.

-Ross

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Old 04-25-2008, 09:19 PM
Kevin Faulkner
 
Default load level?

> Where do I get iostat / iotop?



Starting sendmail back up puts me in the high 1's to low 2's

My next course of action would be to start sendmail in debug level 0.1
and check some logs. Find out exactly sendmail is trying to do, maybe
lsof to see if it is getting stuck on something. I am pretty certain
(from the information provided) that its IO that is bringing your system
to its knees. iotop is available on pbone.net and as for iostat # yum
install sysstat. But I think you really you have found your problem child.

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Old 04-25-2008, 10:04 PM
"Jason Pyeron"
 
Default load level?

> -----Original Message-----
> From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On
> Behalf Of Milton Calnek
> Sent: Friday, April 25, 2008 3:56 PM
> To: CentOS mailing list
> Subject: Re: [CentOS] load level?
>
>
>
> Jason Pyeron wrote:
> >> -----Original Message-----
> >
> > Starting sendmail back up puts me in the high 1's to low 2's
> >

Nope it is behind a firewall, no port 25 access.

mailq is 55k (logwatch)


> Are you getting lots of large-ish emails? maybe sendmail is
> working with some sort of anti-virus/spam tool?
>
> --
> Milton Calnek BSc, A/Slt(Ret.)
> milton@calnek.com
> 306-717-8737
>
>
> --
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