> -----Original Message----- > From: centos-bounces at centos.org [mailto:centos-bounces at 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 at centos.org > > http://lists.centos.org/mailman/listinfo/centos > > _______________________________________________ > CentOS mailing list > CentOS at 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.