Possible Duplicate:
what is my server high load cause (4 cores and 8 thread cpu)
What is my high load cause?
CPU,RAM or IO?
4 Core, 8 thread cpu
top - 22:27:07 up 149 days, 5:26, 1 user, load average: 17.43, 13.34, 9.65 Tasks: 1018 total, 1 running, 1016 sleeping, 0 stopped, 1 zombie Cpu(s): 36.6%us, 1.5%sy, 0.0%ni, 59.5%id, 2.0%wa, 0.0%hi, 0.4%si, 0.0%st Mem: 16413676k total, 16076104k used, 337572k free, 95772k buffers Swap: 10190840k total, 77100k used, 10113740k free, 2030160k cached PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 2776 mysql 15 0 10.8g 9.8g 5496 S 230.8 62.8 55189:04 mysqld 656 apache 15 0 370m 18m 5248 S 4.0 0.1 0:00.65 httpd 24611 apache 15 0 401m 50m 6824 S 2.3 0.3 0:02.92 httpd 25744 apache 15 0 371m 20m 6144 S 2.3 0.1 0:01.53 httpd 20970 apache 15 0 371m 21m 6552 S 2.0 0.1 0:02.94 httpd 27381 apache 16 0 370m 19m 5808 S 2.0 0.1 0:00.96 httpd 30195 apache 15 0 370m 20m 6452 S 2.0 0.1 0:00.81 httpd 30569 apache 15 0 371m 20m 5920 S 2.0 0.1 0:01.18 httpd 20411 apache 15 0 370m 20m 6532 S 1.7 0.1 0:03.11 httpd 24971 apache 15 0 371m 19m 6064 S 1.7 0.1 0:02.83 httpd 612 apache 15 0 370m 19m 5504 S 1.3 0.1 0:00.45 httpd 870 apache 15 0 371m 19m 5372 S 1.3 0.1 0:00.35 httpd 1071 apache 15 0 370m 19m 5212 S 1.3 0.1 0:00.26 httpd 1083 apache 15 0 371m 19m 5148 S 1.3 0.1 0:00.22 httpd 22456 named 21 0 475m 4724 1984 S 1.3 0.0 30:06.94 named 24905 apache 16 0 371m 20m 6092 S 1.3 0.1 0:01.96 httpd 30060 apache 15 0 371m 20m 6192 S 1.3 0.1 0:00.79 httpd 30231 apache 15 0 0 0 0 Z 1.3 0.0 0:00.78 httpd 30548 apache 15 0 370m 19m 5524 S 1.3 0.1 0:00.87 httpd 511 apache 15 0 370m 18m 4928 S 1.0 0.1 0:00.14 httpd 548 apache 16 0 370m 19m 6032 S 1.0 0.1 0:00.57 httpd 914 apache 15 0 370m 19m 5524 S 1.0 0.1 0:00.29 httpd 1078 apache 15 0 371m 19m 5416 S 1.0 0.1 0:00.47 httpd 1441 apache 15 0 371m 19m 5116 S 1.0 0.1 0:00.10 httpd
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st 1 3 77156 170328 92928 1994240 0 0 94 272 0 0 15 1 79 5 0
iostat Linux 2.6.18-274.12.1.el5 01/22/2013
avg-cpu: %user %nice %system %iowait %steal %idle 15.17 0.22 0.97 5.08 0.00 78.56
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn sda 125.35 1506.84 4344.95 19428091086 56020516230 sda1 0.00 0.03 0.00 435588 230 sda2 125.35 1506.81 4344.95 19427652146 56020516000 dm-0 566.23 1504.90 4343.25 19403104530 55998658464 dm-1 0.45 1.90 1.70 24547232 21857536
Total DISK READ: 92.74 K/s | Total DISK WRITE: 2.77 M/s
TID PRIO USER DISK READ DISK WRITE SWAPIN IO> COMMAND
5475 be/4 mysql 0.00 B/s 0.00 B/s 99.99 % 99.99 % mysqld --base~sql/mysql.sock
801 be/3 root 0.00 B/s 1012.68 K/s 0.00 % 99.99 % [kjournald]
511 be/4 apache 0.00 B/s 0.00 B/s 0.00 % 71.27 % httpd
5281 be/4 apache 22.26 K/s 0.00 B/s 0.00 % 31.33 % httpd
23269 be/4 apache 3.71 K/s 0.00 B/s 0.00 % 17.86 % httpd
24937 be/4 apache 33.39 K/s 0.00 B/s 0.00 % 12.45 % httpd
26167 be/4 apache 0.00 B/s 0.00 B/s -26.42 % 9.83 % httpd
22460 be/4 named 0.00 B/s 0.00 B/s 0.00 % 0.65 % named -u named
2776 be/4 mysql 0.00 B/s 0.00 B/s 0.00 % 0.56 % mysqld --base~sql/mysql.sock
5494 be/4 mysql 0.00 B/s 0.00 B/s 99.99 % 0.56 % mysqld --base~sql/mysql.sock
22461 be/4 named 0.00 B/s 0.00 B/s 0.09 % 0.46 % named -u named
30222 be/4 apache 0.00 B/s 0.00 B/s 0.00 % 0.46 % httpd
5496 be/4 mysql 0.00 B/s 0.00 B/s -2.15 % 0.37 % mysqld --base~sql/mysql.sock
1227 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.37 % sh /usr/local/ddos/ddos.sh
5507 be/4 mysql 0.00 B/s 0.00 B/s 0.37 % 0.28 % mysqld --base~sql/mysql.sock
22464 be/4 named 0.00 B/s 0.00 B/s 0.00 % 0.28 % named -u named
22465 be/4 named 0.00 B/s 0.00 B/s 0.00 % 0.28 % named -u named
5 rt/3 root 0.00 B/s 0.00 B/s 0.00 % 0.28 % [migration/1]
23 rt/3 root 0.00 B/s 0.00 B/s 0.00 % 0.28 % [migration/7]
4191 be/4 apache 0.00 B/s 0.00 B/s 0.00 % 0.28 % httpd
4321 be/4 apache 0.00 B/s 0.00 B/s 0.00 % 0.28 % httpd
24857 be/4 root 0.00 B/s 0.00 B/s 0.00 % 0.28 % sleep 3000
30204 be/4 apache 0.00 B/s 0.00 B/s 0.00 % 0.28 % httpd
24532 be/4 apache 0.00 B/s 0.00 B/s 0.00 % 0.28 % httpd
4267 be/4 apache 0.00 B/s 0.00 B/s -0.28 % 0.28 % httpd
5516 be/4 mysql 0.00 B/s 0.00 B/s 0.28 % 0.19 % mysqld --base~sql/mysql.sock
5515 be/4 mysql 0.00 B/s 0.00 B/s 0.00 % 0.19 % mysqld --base~sql/mysql.sock
24926 be/4 apache 0.00 B/s 0.00 B/s 0.00 % 0.19 % httpd
4250 be/4 apache 0.00 B/s 0.00 B/s 0.00 % 0.19 % httpd
871 be/4 apache 0.00 B/s 0.00 B/s 0.00 % 0.19 % httpd
free
total used free shared buffers cached
Mem: 16413676 16116940 296736 0 120612 2411292
-/+ buffers/cache: 13585036 2828640
Swap: 10190840 77448 10113392
