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From arun kumar <arun.apa...@yahoo.com>
Subject [users@httpd] Apache 2.2 utilize more physical memory than apache 1.3
Date Mon, 26 Feb 2007 10:54:18 GMT
Hi All,
   
  We are in the process of moving apache 1.3 to apache 2.2....we migrated and done the load
testing and monitoring....we find that in apache 2.2 physical memory usage is more than apache
1.3....we added cache and deflate module in apache 2.2.
   
  Below find my apache 1.3 and 2.2 httpd.conf file.
   
  Apache 1.3 httpd.conf
   
  ##
## httpd.conf -- Apache HTTP server configuration file
##
  ##
## Server/instance-specific base configuration settings
##
ServerType standalone
ServerRoot "/local/apache/aws"
PidFile /var/run/httpd.pid
  User kumarar3
Group eadmin
  Timeout 300
KeepAlive On
MaxKeepAliveRequests 100
KeepAliveTimeout 15
  StartServers 5
MinSpareServers 5
MaxSpareServers 10
MaxClients 150
MaxRequestsPerChild 0
  HostnameLookups Off
  ##
## Dynamic Shared Object (DSO) Module Inclusions
##
LoadModule security_module    libexec/mod_security.so
#LoadModule vhost_alias_module libexec/mod_vhost_alias.so
#LoadModule agent_log_module   libexec/mod_log_agent.so
#LoadModule referer_log_module libexec/mod_log_referer.so
#LoadModule mime_magic_module  libexec/mod_mime_magic.so
#LoadModule speling_module     libexec/mod_speling.so
#LoadModule anon_auth_module   libexec/mod_auth_anon.so
#LoadModule digest_module      libexec/mod_digest.so
#LoadModule cern_meta_module   libexec/mod_cern_meta.so
#LoadModule usertrack_module   libexec/mod_usertrack.so
#LoadModule unique_id_module   libexec/mod_unique_id.so
LoadModule weblogic_module libexec/mod_wl_ssl-8.1sp3.so
#LoadModule pmplight_module libexec/mod_pmplight.so
LoadModule ssl_module libexec/libssl.so
#LoadModule proxy_module libexec/libproxy.so
  ClearModuleList
AddModule mod_security.c
#AddModule mod_vhost_alias.c
AddModule mod_env.c
AddModule mod_log_config.c
#AddModule mod_log_agent.c
#AddModule mod_log_referer.c
#AddModule mod_mime_magic.c
AddModule mod_mime.c
AddModule mod_negotiation.c
AddModule mod_status.c
AddModule mod_info.c
AddModule mod_include.c
AddModule mod_autoindex.c
AddModule mod_dir.c
AddModule mod_cgi.c
AddModule mod_asis.c
AddModule mod_imap.c
AddModule mod_actions.c
#AddModule mod_speling.c
#AddModule mod_userdir.c
AddModule mod_alias.c
AddModule mod_rewrite.c
AddModule mod_access.c
AddModule mod_auth.c
#AddModule mod_auth_anon.c
#AddModule mod_digest.c
#AddModule mod_cern_meta.c
AddModule mod_expires.c
AddModule mod_headers.c
#AddModule mod_usertrack.c
#AddModule mod_unique_id.c
AddModule mod_so.c
AddModule mod_setenvif.c
#AddModule mod_perl.c
#AddModule mod_pmplight.c
AddModule mod_weblogic.c
AddModule mod_ssl.c
#AddModule mod_proxy.c
  ##
## Load standard server configuration common GLOBAL settings
## DO NOT DELETE/DISABLE
##
Include conf/common-configs/main-common.conf
  ErrorLog /local/apache/apache-logs/error-logs/error_log
  ##
## If mod_ssl is loaded, load common mod_ssl GLOBAL settings
## Then set server/instance-specific mod_ssl GLOBAL settings.
## DO NOT DELETE/DISABLE
##
<IfModule mod_ssl.c>
    Include conf/common-configs/ssl-common.conf
      SSLLog          /local/apache/apache-logs/ssl_log
    SSLLogLevel     none
    SSLSessionCache shmcb:/var/run/www.janus.novartis.intra.wls81-ssl_scache(512000)
    SSLMutex        file:/var/run/www.janus.novartis.intra.wls81-ssl_mutex
</IfModule>
  ##
## Virtual Host Settings/Include directives below here
##
  Include conf/instances/www.janus.novartis.intra.wls81/www.janus.novartis.intra.wls81.conf

   
  Apache 2.2 httpd.conf
   
  ##
## httpd.conf -- Apache HTTP server configuration file
##
  ##
## Server/instance-specific base configuration settings
##
  ServerRoot "/local/apache/aws"
PidFile /var/run/projectname-httpd.pid
  ## Method that Apache uses to serialize multiple children accepting requests on network
sockets
  AcceptMutex pthread
## User: The userid under which the server will answer requests
## Group: The groupid under which the server will answer requests
User userid
Group groupid
  #Timeout : Amount of time the server will wait for certain events before failing a request
#KeepAlive  : Enables HTTP persistent connections
#MaxKeepAliveRequests : Number of requests allowed on a persistent connection
#KeepAliveTimeout :  Amount of time the server will wait for subsequent requests on a persistent
connection
  Timeout 3000
KeepAlive On
MaxKeepAliveRequests 100
KeepAliveTimeout 15
  # LimitRequestBody : Restricts the total size of the HTTP request body sent from the client
# LimitRequestFields : Limits the number of HTTP request header fields that will be accepted
from the client
# LimitRequestFieldSize : Limits the size of the HTTP request header allowed from the client
# LimitRequestLine : Limit the size of the HTTP request line that will be accepted from the
client
  LimitRequestBody 10000000
LimitRequestFields 100
LimitRequestFieldSize 8190
LimitRequestLine 8190
AddHandler cgi-script .cgi
AddHandler cgi-script .pl
  <Directory />
    Options FollowSymLinks
    AllowOverride None
</Directory>
  # worker MPM
# StartServers: initial number of server processes to start
# MaxClients: maximum number of simultaneous client connections
# MinSpareThreads: minimum number of worker threads which are kept spare
# MaxSpareThreads: maximum number of worker threads which are kept spare
# ThreadsPerChild: constant number of worker threads in each server process
# MaxRequestsPerChild: maximum number of requests a server process serves
  StartServers         10
MaxClients          150
MinSpareThreads      25
MaxSpareThreads      75
ThreadsPerChild      25
MaxRequestsPerChild   0
ServerLimit 2048
ListenBacklog 1000
  <Directory />
    Options FollowSymLinks
    AllowOverride None
</Directory>
  
#Enables DNS lookups on client IP addresses
HostnameLookups Off
  # ServerTokens
# This directive configures what you return as the Server HTTP response
# Header. The default is 'Full' which sends information about the OS-Type
# and compiled in modules.
# Set to one of:  Full | OS | Minor | Minimal | Major | Prod
# where Full conveys the most information, and Prod the least.
#
ServerTokens Prod
ServerSignature Off
  
##
## Dynamic Shared Object (DSO) Module Inclusions
##
  LoadFile /usr/local/lib/libssl.so.0.9.8
LoadFile /usr/local/lib/libcrypto.so.0.9.8
LoadFile /usr/local/lib/libgcc_s.so.1
LoadModule weblogic_module modules/mod_wl_22.so
LoadModule unique_id_module   modules/mod_unique_id.so
LoadFile /local/home/kumarar3/apache/aws/modules/libm.so.2
LoadFile /local/home/kumarar3/apache/aws/modules/libxml2.so
LoadModule security2_module modules/mod_security2.so
LoadModule setenvif_module modules/mod_setenvif.so
LoadModule ssl_module modules/mod_ssl.so
LoadModule deflate_module modules/mod_deflate.so
LoadModule mime_module modules/mod_mime.so
LoadModule cache_module modules/mod_cache.so
LoadModule disk_cache_module modules/mod_disk_cache.so
LoadModule alias_module modules/mod_alias.so
LoadModule env_module modules/mod_env.so
LoadModule cgid_module modules/mod_cgid.so
LoadModule rewrite_module modules/mod_rewrite.so
LoadModule authz_host_module modules/mod_authz_host.so
LoadModule log_config_module modules/mod_log_config.so
  
##
## Load standard server configuration common GLOBAL settings
## DO NOT DELETE/DISABLE
  ##
#Include conf/common-configs/main-common.conf
  ErrorLog /local/apache/apache-logs/error-logs/projectname-main_error_log
  ##
## If mod_ssl is loaded, load common mod_ssl GLOBAL settings
## Then set server/instance-specific mod_ssl GLOBAL settings.
## DO NOT DELETE/DISABLE
##
<IfModule mod_ssl.c>
    Include conf/common-configs/ssl-common.conf
      SSLSessionCache shmcb:/var/run/projectname-ssl_scache(512000)
    SSLMutex        file:var/run/projectname-ssl_mutex
</IfModule>
  
##
## Load cgid module
##
##
  <IfModule cgid_module>
    #
    # ScriptSock: On threaded servers, designate the path to the UNIX
    # socket used to communicate with the CGI daemon of mod_cgid.
    #
   Scriptsock logs/cgisock
</IfModule>
   
  ##
## Load mod_status module
##
##
  <IfModule status_module>
        <Location /server-status>
        SetHandler server-status
        Order Deny,Allow
        Deny from all
        Allow from "your.domain"
        </Location>
</IfModule>
  
##
## Load deflate module
## The mod_deflate module provides the DEFLATE output filter that allows output from your
server to be compressed before bein
#g sent to
## the client over the network.
##
<IfModule deflate_module>
<Location />
AddOutputFilterByType DEFLATE text/plain
AddOutputFilterByType DEFLATE text/xml
AddOutputFilterByType DEFLATE application/xhtml+xml
AddOutputFilterByType DEFLATE text/css
AddOutputFilterByType DEFLATE application/xml
AddOutputFilterByType DEFLATE image/svg+xml
AddOutputFilterByType DEFLATE application/rss+xml
AddOutputFilterByType DEFLATE application/atom_xml
AddOutputFilterByType DEFLATE application/x-javascript
AddOutputFilterByType DEFLATE text/html
SetOutputFilter DEFLATE
## In real life, there are issues with compressing other types of files such as mp3 or images.
## If you dont want to compress images or mp3 files then add following to your configuration
SetEnvIfNoCase Request_URI \.(?:gif|jpe?g|png)$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.(?:exe|t?gz|zip|bz2|sit|rar)$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.pdf$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.avi$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.mov$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.mp3$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.mp4$ no-gzip dont-vary
SetEnvIfNoCase Request_URI \.rm$ no-gzip dont-vary
</Location>
</IfModule>
  ####################################################################
### Load Cache Module
##CacheEnable : Enable caching of specified URLs using a specified storage manager
##CacheDefaultExpire : The default duration to cache a document when no expiry date is specified.
##CacheIgnoreCacheControl : Ignore request to not serve cached content to client
##CacheIgnoreHeaders : Do not store the given HTTP header(s) in the cache
##CacheIgnoreNoLastMod: Ignore the fact that a response has no Last Modified header.
##CacheMaxFileSize The maximum size (in bytes) of a document to be placed in the cache
##CacheMinFileSize The minimum size (in bytes) of a document to be placed in the cache
##CacheRoot : The directory root under which cache files are stored
##CacheDirLevels: The number of levels of subdirectories in the cache
##CacheDirLength : The number of characters of subdirectories in the cache
####################################################################
  <IfModule mod_cache.c>
<IfModule mod_disk_cache.c>
       UseCanonicalName Off
       CacheRoot /local/apache/cache/projectname
       CacheEnable disk /
       CacheIgnoreNoLastMod On
       CacheIgnoreCacheControl Off
       CacheIgnoreHeaders Set-Cookie
       CacheDefaultExpire 1800
       CacheMinFileSize 64
       CacheMaxFileSize 64000
       CacheDirLevels 2
       CacheDirLength 1
</IfModule>
</IfModule>
  ##
## Virtual Host Settings/Include directives below here
##
  # VHost [project name] created on Fri Sep 29 10:25:58 EDT 2006 by root
Include conf/instances/projectname/projectname.conf
   
  Please let me know in apache 2.2 why physical memory is consumping more
   
  Regards,
  Arun

 
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