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Bug #354

closed

CPU reached 99%

Added by Anonymous over 19 years ago. Updated about 18 years ago.

Status:
Fixed
Priority:
High
Category:
core
Target version:
-
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Description

I use MRTG monitoring all my web servers (traffice & CPU), but CPU usage sometimes reached 99% on MRTG. Here is "top" cmd capture:

top - 21:28:23 up 186 days, 16:38, 1 user, load average: 1.03, 1.01, 1.00
Tasks: 77 total, 2 running, 75 sleeping, 0 stopped, 0 zombie
Cpu(s): 34.0% us, 66.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 906324k total, 897252k used, 9072k free, 382992k buffers
Swap: 979892k total, 31800k used, 948092k free, 312104k cached

PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                    
22897 wwwrun    25   0  5968 4856  980 R 99.2  0.5 250:06.48 lighttpd                                                   
23887 wwwrun    16   0 71780 7508 6332 S  0.3  0.8   0:00.67 php                                                        
    1 root      16   0   668  228  200 S  0.0  0.0   0:00.80 init                                                       
    2 root      34  19     0    0    0 S  0.0  0.0   0:01.49 ksoftirqd

My web server OS is : Linux 2.6.11.7
Lighttpd: 1.4.6
php (fastcgi): 5.0.3
traffic about: 2~3Mbits

Even the CPU "reaches" 99%, but it doesn't affect webpages loading speed. I am wondering it could be just "displaying" bug.
i use "ps -aux" and got different result:
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
wwwrun 22897 10.9 0.5 5968 4856 ? R Nov04 267:11 /usr/local/lighttpd/sbin/lighttpd -f /etc/lighttpd.conf
wwwrun 22899 0.0 0.2 71368 2316 ? Ss Nov04 0:00 /usr/local/php5/bin/php

Though it doesn't effect the service, it looks quite ugly. :)

Kenny

-- kenny

Files

Download all files
cpu.png (2.05 KB) cpu.png Anonymous, 2005-11-05 13:54
cpu_week.png (4.07 KB) cpu_week.png Anonymous, 2005-11-29 11:50
#6

Updated by jan over 18 years ago

  • Status changed from New to Fixed
  • Resolution set to fixed
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