From b527205c580bbe12906b5f9039daf712c8db55f3 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Igor=20Gali=C4=87?= Date: Sun, 5 Aug 2012 23:15:30 +0000 Subject: [PATCH] formatting, highlighting. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1369700 13f79535-47bb-0310-9956-ffa450edef68 --- docs/manual/misc/perf-scaling.xml | 280 ++++++++++++------------------ 1 file changed, 110 insertions(+), 170 deletions(-) diff --git a/docs/manual/misc/perf-scaling.xml b/docs/manual/misc/perf-scaling.xml index e0553c61ee..92794e832f 100644 --- a/docs/manual/misc/perf-scaling.xml +++ b/docs/manual/misc/perf-scaling.xml @@ -105,73 +105,40 @@ Linux (Xen) system:

- - top - 23:10:58 up 71 days, 6:14, 4 users, load average: - 0.25, 0.53, 0.47
- Tasks: 163 total, 1 running, 162 sleeping, 0 stopped, - 0 zombie
- Cpu(s): 11.6%us, 0.7%sy, 0.0%ni, 87.3%id, 0.4%wa, - 0.0%hi, 0.0%si, 0.0%st
- Mem: 2621656k total, 2178684k used, 442972k free, - 100500k buffers
- Swap: 4194296k total, 860584k used, 3333712k free, - 1157552k cached
-
- PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ - COMMAND
- 16687 example_ 20 0 1200m 547m 179m S 45 21.4 - 1:09.59 httpd-worker
- 15195 www 20 0 441m 33m 2468 S 0 1.3 - 0:41.41 httpd-worker
- 1 root 20 0 10312 328 308 S 0 0.0 0:33.17 - init
- 2 root 15 -5 0 0 0 S 0 0.0 0:00.00 - kthreadd
- 3 root RT -5 0 0 0 S 0 0.0 0:00.14 - migration/0
- 4 root 15 -5 0 0 0 S 0 0.0 0:04.58 - ksoftirqd/0
- 5 root RT -5 0 0 0 S 0 0.0 4:45.89 - watchdog/0
- 6 root 15 -5 0 0 0 S 0 0.0 1:42.52 - events/0
- 7 root 15 -5 0 0 0 S 0 0.0 0:00.00 - khelper
- 19 root 15 -5 0 0 0 S 0 0.0 0:00.00 - xenwatch
- 20 root 15 -5 0 0 0 S 0 0.0 0:00.00 - xenbus
- 28 root RT -5 0 0 0 S 0 0.0 0:00.14 - migration/1
- 29 root 15 -5 0 0 0 S 0 0.0 0:00.20 - ksoftirqd/1
- 30 root RT -5 0 0 0 S 0 0.0 0:05.96 - watchdog/1
- 31 root 15 -5 0 0 0 S 0 0.0 1:18.35 - events/1
- 32 root RT -5 0 0 0 S 0 0.0 0:00.08 - migration/2
- 33 root 15 -5 0 0 0 S 0 0.0 0:00.18 - ksoftirqd/2
- 34 root RT -5 0 0 0 S 0 0.0 0:06.00 - watchdog/2
- 35 root 15 -5 0 0 0 S 0 0.0 1:08.39 - events/2
- 36 root RT -5 0 0 0 S 0 0.0 0:00.10 - migration/3
- 37 root 15 -5 0 0 0 S 0 0.0 0:00.16 - ksoftirqd/3
- 38 root RT -5 0 0 0 S 0 0.0 0:06.08 - watchdog/3
- 39 root 15 -5 0 0 0 S 0 0.0 1:22.81 - events/3
- 68 root 15 -5 0 0 0 S 0 0.0 0:06.28 - kblockd/0
- 69 root 15 -5 0 0 0 S 0 0.0 0:00.04 - kblockd/1
- 70 root 15 -5 0 0 0 S 0 0.0 0:00.04 - kblockd/2 - + 
+top - 23:10:58 up 71 days,  6:14,  4 users,  load average: 0.25, 0.53, 0.47
+Tasks: 163 total,   1 running, 162 sleeping,   0 stopped,   0 zombie
+Cpu(s): 11.6%us,  0.7%sy,  0.0%ni, 87.3%id,  0.4%wa,  0.0%hi,  0.0%si,  0.0%st
+Mem:   2621656k total,  2178684k used,   442972k free,   100500k buffers
+Swap:  4194296k total,   860584k used,  3333712k free,  1157552k cached
+
+  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
+16687 example_  20   0 1200m 547m 179m S   45 21.4   1:09.59 httpd-worker
+15195 www       20   0  441m  33m 2468 S    0  1.3   0:41.41 httpd-worker
+    1 root      20   0 10312  328  308 S    0  0.0   0:33.17 init
+    2 root      15  -5     0    0    0 S    0  0.0   0:00.00 kthreadd
+    3 root      RT  -5     0    0    0 S    0  0.0   0:00.14 migration/0
+    4 root      15  -5     0    0    0 S    0  0.0   0:04.58 ksoftirqd/0
+    5 root      RT  -5     0    0    0 S    0  0.0   4:45.89 watchdog/0
+    6 root      15  -5     0    0    0 S    0  0.0   1:42.52 events/0
+    7 root      15  -5     0    0    0 S    0  0.0   0:00.00 khelper
+   19 root      15  -5     0    0    0 S    0  0.0   0:00.00 xenwatch
+   20 root      15  -5     0    0    0 S    0  0.0   0:00.00 xenbus
+   28 root      RT  -5     0    0    0 S    0  0.0   0:00.14 migration/1
+   29 root      15  -5     0    0    0 S    0  0.0   0:00.20 ksoftirqd/1
+   30 root      RT  -5     0    0    0 S    0  0.0   0:05.96 watchdog/1
+   31 root      15  -5     0    0    0 S    0  0.0   1:18.35 events/1
+   32 root      RT  -5     0    0    0 S    0  0.0   0:00.08 migration/2
+   33 root      15  -5     0    0    0 S    0  0.0   0:00.18 ksoftirqd/2
+   34 root      RT  -5     0    0    0 S    0  0.0   0:06.00 watchdog/2
+   35 root      15  -5     0    0    0 S    0  0.0   1:08.39 events/2
+   36 root      RT  -5     0    0    0 S    0  0.0   0:00.10 migration/3
+   37 root      15  -5     0    0    0 S    0  0.0   0:00.16 ksoftirqd/3
+   38 root      RT  -5     0    0    0 S    0  0.0   0:06.08 watchdog/3
+   39 root      15  -5     0    0    0 S    0  0.0   1:22.81 events/3
+   68 root      15  -5     0    0    0 S    0  0.0   0:06.28 kblockd/0
+   69 root      15  -5     0    0    0 S    0  0.0   0:00.04 kblockd/1
+   70 root      15  -5     0    0    0 S    0  0.0   0:00.04 kblockd/2

Top is a wonderful tool even though it’s slightly resource intensive (when running, its own process is usually in the @@ -195,14 +162,13 @@ The output of free looks like this:

- - sctemme@brutus:~$ free
- total used free shared buffers cached
- Mem: 4026028 3901892 124136 0 253144 - 841044
- -/+ buffers/cache: 2807704 1218324
- Swap: 3903784 12540 3891244 - + 
+sctemme@brutus:~$ free
+              total       used     free   shared    buffers    cached
+Mem:        4026028    3901892   124136         0    253144    841044
+-/+ buffers/cache:     2807704  1218324
+Swap:       3903784      12540  3891244
+
@@ -226,37 +192,27 @@

- - [sctemme@GayDeceiver sctemme]$ vmstat 5 3
- procs memory swap io - system cpu
- r b w swpd free buff cache si so bi bo in - cs us sy i
- 0 0 0 0 186252 6688 37516 0 0 12 5 47 - 311 0 1 9
- 0 0 0 0 186244 6696 37516 0 0 0 16 41 - 314 0 0 10
- 0 0 0 0 186236 6704 37516 0 0 0 9 44 - 314 0 0 100 - + 
+[sctemme@GayDeceiver sctemme]$ vmstat 5 3
+   procs                      memory     swap         io    system        cpu
+ r b w     swpd   free   buff cache si so       bi    bo in     cs us  sy id
+ 0 0 0        0 186252   6688 37516    0    0   12     5 47    311  0   1 99
+ 0 0 0        0 186244   6696 37516    0    0    0    16 41    314  0   0 100
+ 0 0 0        0 186236   6704 37516    0    0    0     9 44    314  0   0 100
+

And this is output of a server that is under a load of one hundred simultaneous connections fetching static content:

- - sctemme@GayDeceiver sctemme]$ vmstat 5 3
- procs memory swap io - system cpu
- r b w swpd free buff cache si so bi bo in - cs us sy id
- 1 0 1 0 162580 6848 40056 0 0 11 5 150 - 324 1 1 98
- 6 0 1 0 163280 6856 40248 0 0 0 66 6384 - 1117 42 25 32
- 11 0 0 0 162780 6864 40436 0 0 0 61 6309 - 1165 33 28 40 - + 
+[sctemme@GayDeceiver sctemme]$ vmstat 5 3
+   procs                      memory     swap    io      system       cpu
+ r b w     swpd   free   buff cache si so     bi bo   in     cs us sy  id
+ 1 0 1        0 162580   6848 40056    0    0 11  5 150     324  1  1  98
+ 6 0 1        0 163280   6856 40248    0    0  0 66 6384 1117   42 25  32
+11 0 0        0 162780   6864 40436    0    0  0 61 6309 1165   33 28  40
+

The first line gives averages since the last reboot. The subsequent lines give information for five second @@ -473,9 +429,9 @@ can be specified on a per module basis:

- + LogLevel debug mod_ssl:warn - +

This puts all of the server in debug mode, except for @@ -507,22 +463,15 @@

- - 195.54.228.42 - - [24/Mar/2007:23:05:11 -0400] "GET - /sander/feed/ HTTP/1.1" 200 9747
- 64.34.165.214 - - [24/Mar/2007:23:10:11 -0400] "GET - /sander/feed/atom HTTP/1.1" 200 9068
- 60.28.164.72 - - [24/Mar/2007:23:11:41 -0400] "GET / - HTTP/1.0" 200 618
- 85.140.155.56 - - [24/Mar/2007:23:14:12 -0400] "GET - /sander/2006/09/27/44/ HTTP/1.1" 200 14172
- 85.140.155.56 - - [24/Mar/2007:23:14:15 -0400] "GET - /sander/2006/09/21/gore-tax-pollution/ HTTP/1.1" 200 15147
- 74.6.72.187 - - [24/Mar/2007:23:18:11 -0400] "GET - /sander/2006/09/27/44/ HTTP/1.0" 200 14172
- 74.6.72.229 - - [24/Mar/2007:23:24:22 -0400] "GET - /sander/2006/11/21/os-java/ HTTP/1.0" 200 13457 - + 
+195.54.228.42 - - [24/Mar/2007:23:05:11 -0400] "GET /sander/feed/ HTTP/1.1" 200 9747
+64.34.165.214 - - [24/Mar/2007:23:10:11 -0400] "GET /sander/feed/atom HTTP/1.1" 200 9068
+60.28.164.72 - - [24/Mar/2007:23:11:41 -0400] "GET / HTTP/1.0" 200 618
+85.140.155.56 - - [24/Mar/2007:23:14:12 -0400] "GET /sander/2006/09/27/44/ HTTP/1.1" 200 14172
+85.140.155.56 - - [24/Mar/2007:23:14:15 -0400] "GET /sander/2006/09/21/gore-tax-pollution/ HTTP/1.1" 200 15147
+74.6.72.187 - - [24/Mar/2007:23:18:11 -0400] "GET /sander/2006/09/27/44/ HTTP/1.0" 200 14172
+74.6.72.229 - - [24/Mar/2007:23:24:22 -0400] "GET /sander/2006/11/21/os-java/ HTTP/1.0" 200 13457
+
@@ -1333,42 +1282,35 @@ pre-rendered blog pages:

- Listen *:8001
- <VirtualHost *:8001>
- - ServerName blog.sandla.org:8001
- ServerAdmin sander@temme.net
- DocumentRoot "/home/sctemme/inst/blog/httpd/htdocs"
- <Directory - "/home/sctemme/inst/blog/httpd/htdocs">
- - Options +Indexes
- Order allow,deny
- Allow from all
- RewriteEngine on
- RewriteCond %{REQUEST_FILENAME} !-f
- RewriteCond %{REQUEST_FILENAME} !-d
- RewriteRule ^(.*)$ /cgi-bin/blosxom.cgi/$1 [L,QSA]
- - </Directory>
- RewriteLog - /home/sctemme/inst/blog/httpd/logs/rewrite_log
- RewriteLogLevel 9
- ErrorLog /home/sctemme/inst/blog/httpd/logs/error_log
- LogLevel debug
- CustomLog /home/sctemme/inst/blog/httpd/logs/access_log - common
- ScriptAlias /cgi-bin/ /home/sctemme/inst/blog/bin/
- <Directory "/home/sctemme/inst/blog/bin">
- - Options +ExecCGI
- Order allow,deny
- Allow from all
- - </Directory>
- - </VirtualHost> - + +Listen *:8001 + <VirtualHost *:8001> + ServerName blog.sandla.org:8001 + ServerAdmin sander@temme.net + DocumentRoot "/home/sctemme/inst/blog/httpd/htdocs" + <Directory + "/home/sctemme/inst/blog/httpd/htdocs"> + Options +Indexes + Order allow,deny + Allow from all + RewriteEngine on + RewriteCond %{REQUEST_FILENAME} !-f + RewriteCond %{REQUEST_FILENAME} !-d + RewriteRule ^(.*)$ /cgi-bin/blosxom.cgi/$1 [L,QSA] + </Directory> + RewriteLog /home/sctemme/inst/blog/httpd/logs/rewrite_log + RewriteLogLevel 9 + ErrorLog /home/sctemme/inst/blog/httpd/logs/error_log + LogLevel debug + CustomLog /home/sctemme/inst/blog/httpd/logs/access_log common + ScriptAlias /cgi-bin/ /home/sctemme/inst/blog/bin/ + <Directory "/home/sctemme/inst/blog/bin"> + Options +ExecCGI + Order allow,deny + Allow from all + </Directory> + </VirtualHost> +

The RewriteCond @@ -1449,14 +1391,14 @@ configuration snippet in httpd.conf:

- - CacheRoot /raid1/cacheroot
- CacheEnable disk /
- # A page modified 100 minutes ago will expire in 10 minutes
- CacheLastModifiedFactor .1
- # Always check again after 6 hours
- CacheMaxExpire 21600 - + +CacheRoot /raid1/cacheroot +CacheEnable disk / +# A page modified 100 minutes ago will expire in 10 minutes +CacheLastModifiedFactor .1 +# Always check again after 6 hours +CacheMaxExpire 21600 +

This configuration will try to cache any and all content within its virtual host. It will never cache content for @@ -1482,13 +1424,11 @@ Unfortunately there does currently not exist a way to cache these headers.

- - <FilesMatch \.(jpe?g|png|gif|js|css|x?html|xml)>
- - FileETag None
- - </FilesMatch> - + +<FilesMatch \.(jpe?g|png|gif|js|css|x?html|xml)> + FileETag None +</FilesMatch> +

This will disable the generation of the ETag: -- 2.40.0