httpd (2.2.8 (Unix))      failed

I have  httpd down right now without any error outputted on errors_log
my server is with 4 Quad-Core Intel Xeon 2.66GHz (16 CPu) and 16GB of RAM. Is running CentOS Linux 5.1 and Apache/2.2.8. The site that will be running in this server has an average of 360,000 pageviews daily, so we want to make sure to tweak the configuration at its best.
my httpd.Conf :

Include "/usr/local/apache/conf/includes/pre_main_global.conf"
Include "/usr/local/apache/conf/includes/pre_main_2.conf"
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#   Direct modifications to the Apache configuration file may be lost upon subsequent regeneration of the       #
#   configuration file. To have modifications retained, all modifications must be checked into the              #
#   configuration system by running:                                                                            #
#       /usr/local/cpanel/bin/apache_conf_distiller --update                                                    #
#   To see if your changes will be conserved, regenerate the Apache configuration file by running:              #
#       /usr/local/cpanel/bin/build_apache_conf                                                                 #
#   and check the configuration file for your alterations. If your changes have been ignored, then they will    #
#   need to be added directly to their respective template files.                                               #
#                                                                                                               #
#   It is also possible to add custom directives to the various "Include" files loaded by this httpd.conf       #
#   For detailed instructions on using Include files and the apache_conf_distiller with the new configuration   #
#   system refer to the documentation at: http://www.cpanel.net/support/docs/ea/ea3/customdirectives.html       #
#                                                                                                               #
#   This configuration file was built from the following templates:                                             #
#     /var/cpanel/templates/apache2/main.default                                                                #
#     /var/cpanel/templates/apache2/main.local                                                                  #
#     /var/cpanel/templates/apache2/vhost.default                                                               #
#     /var/cpanel/templates/apache2/vhost.local                                                                 #
#     /var/cpanel/templates/apache2/ssl_vhost.default                                                           #
#     /var/cpanel/templates/apache2/ssl_vhost.local                                                             #
#                                                                                                               #
#  Templates with the '.local' extension will be preferred over templates with the '.default' extension.        #
#  The only template updated by the apache_conf_distiller is main.default.                                      #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #



 

LoadModule auth_passthrough_module modules/mod_auth_passthrough.so
LoadModule bwlimited_module modules/mod_bwlimited.so
LoadModule frontpage_module modules/mod_frontpage.so
LoadModule bw_module modules/mod_bw.so
LoadModule evasive20_module   modules/mod_evasive20.so




Include "/usr/local/apache/conf/php.conf"
Include "/usr/local/apache/conf/mod_bandwidth.conf"
LoadModule security2_module modules/mod_security2.so
#Include "/etc/httpd/conf/modsecurity.conf"

ErrorLog "logs/error_log"
DefaultType text/plain





<Directory "/">
    Options All
    AllowOverride All
</Directory>

<Directory "/usr/local/apache/htdocs">
    Options Includes Indexes FollowSymLinks
    AllowOverride None
    Order allow,deny
    Allow from all

</Directory>


<Files ~ "^error_log$">
Order allow,deny
Deny from all
Satisfy All
</Files>

<FilesMatch "^\.ht">
    Order allow,deny
    Deny from all

    Satisfy All
</FilesMatch>

<IfModule log_config_module>
    LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined
    LogFormat "%h %l %u %t \"%r\" %>s %b" common

    CustomLog "logs/access_log" common

    <IfModule logio_module>
        LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" %I %O" combinedio

    </IfModule>

</IfModule>

<IfModule alias_module>
    ScriptAlias /cgi-bin/ "/usr/local/apache/cgi-bin/"

</IfModule>

<Directory "/usr/local/apache/cgi-bin">
    AllowOverride None
    Options None
    Order allow,deny
    Allow from all

</Directory>

<IfModule mime_module>
    TypesConfig conf/mime.types
    AddType application/x-compress .Z
    AddType application/x-gzip .gz .tgz

</IfModule>

# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
#   Direct modifications to the Apache configuration file may be lost upon subsequent regeneration of the       #
#   configuration file. To have modifications retained, all modifications must be checked into the              #
#   configuration system by running:                                                                            #
#       /usr/local/cpanel/bin/apache_conf_distiller --update                                                    #
#   To see if your changes will be conserved, regenerate the Apache configuration file by running:              #
#       /usr/local/cpanel/bin/build_apache_conf                                                                 #
#   and check the configuration file for your alterations. If your changes have been ignored, then they will    #
#   need to be added directly to their respective template files.                                               #
#                                                                                                               #
#   It is also possible to add custom directives to the various "Include" files loaded by this httpd.conf       #
#   For detailed instructions on using Include files and the apache_conf_distiller with the new configuration   #
#   system refer to the documentation at: http://www.cpanel.net/support/docs/ea/ea3/customdirectives.html       #
#                                                                                                               #
#   This configuration file was built from the following templates:                                             #
#     /var/cpanel/templates/apache2/main.default                                                                #
#     /var/cpanel/templates/apache2/main.local                                                                  #
#     /var/cpanel/templates/apache2/vhost.default                                                               #
#     /var/cpanel/templates/apache2/vhost.local                                                                 #
#     /var/cpanel/templates/apache2/ssl_vhost.default                                                           #
#     /var/cpanel/templates/apache2/ssl_vhost.local                                                             #
#                                                                                                               #
#  Templates with the '.local' extension will be preferred over templates with the '.default' extension.        #
#  The only template updated by the apache_conf_distiller is main.default.                                      #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #


PidFile logs/httpd.pid
LockFile logs/accept.lock
# Defined in /var/cpanel/cpanel.config: apache_port
Listen 0.0.0.0:80
Timeout 300
User nobody
Group nobody
ExtendedStatus On
ServerAdmin soso@soso.com
ServerName server.soso.org
LogLevel warn
ServerSignature Off

RewriteMap LeechProtect prg:/usr/local/cpanel/bin/leechprotect
RewriteLock /usr/local/apache/logs/rewrite_lock

UserDir public_html

DirectoryIndex index.html.var index.htm index.html index.shtml index.xhtml index.wml index.perl index.pl index.plx index.ppl index.cgi index.jsp index.js index.jp index.php4 index.php3 index.php index.phtml default.htm default.html home.htm index.php5 Default.html Default.htm home.html

SSLPassPhraseDialog  builtin
SSLSessionCache         dbm:/usr/local/apache/logs/ssl_scache
SSLSessionCacheTimeout  300
SSLMutex  file:/usr/local/apache/logs/ssl_mutex
SSLRandomSeed startup builtin
SSLRandomSeed connect builtin

<IfDefine SSL>
    # Defined in /var/cpanel/cpanel.config: apache_ssl_port
    Listen 0.0.0.0:443
    AddType application/x-x509-ca-cert .crt
    AddType application/x-pkcs7-crl .crl
</IfDefine>


#AddHandler cgi-script .cgi .pl .plx .ppl .perl
AddHandler server-parsed .shtml
AddType text/html .shtml
AddType application/x-tar .tgz
AddType text/vnd.wap.wml .wml
AddType image/vnd.wap.wbmp .wbmp
AddType text/vnd.wap.wmlscript .wmls
AddType application/vnd.wap.wmlc .wmlc
AddType application/vnd.wap.wmlscriptc .wmlsc

<Location /whm-server-status>
    SetHandler server-status
    Order deny,allow
    Deny from all
    Allow from 127.0.0.1
</Location>



# SUEXEC is supported

Include "/usr/local/apache/conf/includes/pre_virtualhost_global.conf"
Include "/usr/local/apache/conf/includes/pre_virtualhost_2.conf"

# DO NOT EDIT. AUTOMATICALLY GENERATED.  IF YOU NEED TO MAKE A CHANGE PLEASE USE THE INCLUDE FILES.  
NameVirtualHost *

# Default vhost for unbound IPs

<VirtualHost *>
    ServerName server.soso.org
    DocumentRoot /usr/local/apache/htdocs
    ServerAdmin soso@soso.com
    <IfModule mod_suphp.c>
        suPHP_UserGroup nobody nobody
    </IfModule>
</VirtualHost>

# DO NOT EDIT. AUTOMATICALLY GENERATED.  IF YOU NEED TO MAKE A CHANGE PLEASE USE THE INCLUDE FILES.  

# SSL
<IfDefine SSL>
</IfDefine>


# DO NOT EDIT. AUTOMATICALLY GENERATED.  IF YOU NEED TO MAKE A CHANGE PLEASE USE THE INCLUDE FILES.  
<IfModule mod_evasive20.c>
DOSHashTableSize 3097
DOSPageCount 7
DOSSiteCount 100
DOSPageInterval 1
DOSSiteInterval 1
DOSBlockingPeriod 300
</IfModule>
NameVirtualHost xxx.xxx.152.250:80

<VirtualHost xxx.xxx.152.250:80>
    ServerName soso.org
    ServerAlias soso.com www.soso.com
    ServerAlias eco.soso.org www.eco.soso.org
    ServerAlias soso.info www.soso.info
    ServerAlias soso.biz www.soso.biz
    ServerAlias soso.cc www.soso.cc
    ServerAlias www.soso.org
    DocumentRoot /home/soso/public_html
    ServerAdmin webmaster@soso.org
    ## User soso # Needed for Cpanel::ApacheConf
    <IfModule mod_suphp.c>
        suPHP_UserGroup soso soso
    </IfModule>
    <IfModule concurrent_php.c>
        php4_admin_value open_basedir "/home/soso:/usr/lib/php:/usr/php4/lib/php:/usr/local/lib/php:/usr/local/php4/lib/php:/tmp"
        php5_admin_value open_basedir "/home/soso:/usr/lib/php:/usr/local/lib/php:/tmp"
    </IfModule>
    <IfModule !concurrent_php.c>
        <IfModule mod_php4.c>
            php_admin_value open_basedir "/home/soso:/usr/lib/php:/usr/php4/lib/php:/usr/local/lib/php:/usr/local/php4/lib/php:/tmp"
        </IfModule>
        <IfModule mod_php5.c>
            php_admin_value open_basedir "/home/soso:/usr/lib/php:/usr/local/lib/php:/tmp"
        </IfModule>
        <IfModule sapi_apache2.c>
            php_admin_value open_basedir "/home/soso:/usr/lib/php:/usr/php4/lib/php:/usr/local/lib/php:/usr/local/php4/lib/php:/tmp"
        </IfModule>
    </IfModule>
    <IfModule !mod_disable_suexec.c>
        SuexecUserGroup soso soso
    </IfModule>
    CustomLog /usr/local/apache/domlogs/soso.org-bytes_log "%{%s}t %I .\n%{%s}t %O ."
    CustomLog /usr/local/apache/domlogs/soso.org combined
</VirtualHost>
ErrorDocument 400 /400.shtml
ErrorDocument 401 /401.shtml
ErrorDocument 403 /403.shtml
ErrorDocument 404 /404.shtml
ErrorDocument 500 /500.shtml
Alias /bandwidth/ /usr/local/bandmin/htdocs/
Alias /sys_cpanel/ /usr/local/cpanel/sys_cpanel/
Alias /java-sys/ /usr/local/cpanel/java-sys/
Alias /img-sys/ /usr/local/cpanel/img-sys/
Alias /akopia/ /usr/local/cpanel/3rdparty/interchange/share/akopia/
Alias /neo-images/ /usr/local/cpanel/base/neomail/neo-images/
Alias /mailman/archives/ /usr/local/cpanel/3rdparty/mailman/archives/public/
Alias /pipermail/ /usr/local/cpanel/3rdparty/mailman/archives/public/
Alias /interchange/ /usr/local/cpanel/3rdparty/interchange/share/interchange/
Alias /interchange-5/ /usr/local/cpanel/3rdparty/interchange/share/interchange-5/
ScriptAlias /cgi-sys/ /usr/local/cpanel/cgi-sys/
ScriptAlias /mailman/ /usr/local/cpanel/3rdparty/mailman/cgi-bin/
ScriptAliasMatch ^/?cpanel/?$ /usr/local/cpanel/cgi-sys/redirect.cgi
ScriptAliasMatch ^/?securecpanel/?$ /usr/local/cpanel/cgi-sys/sredirect.cgi
ScriptAliasMatch ^/?kpanel/?$ /usr/local/cpanel/cgi-sys/redirect.cgi
ScriptAliasMatch ^/?controlpanel/?$ /usr/local/cpanel/cgi-sys/redirect.cgi
ScriptAliasMatch ^/?securecontrolpanel/?$ /usr/local/cpanel/cgi-sys/sredirect.cgi
ScriptAliasMatch ^/?webmail/?$ /usr/local/cpanel/cgi-sys/wredirect.cgi
ScriptAliasMatch ^/?whm/?$ /usr/local/cpanel/cgi-sys/whmredirect.cgi
ScriptAliasMatch ^/?securewhm/?$ /usr/local/cpanel/cgi-sys/swhmredirect.cgi
Include "/usr/local/apache/conf/includes/post_virtualhost_global.conf"
Include "/usr/local/apache/conf/includes/post_virtualhost_2.conf"



-------------------------------------------------------------------------------------------------------------


my.cnf
[mysqld]
set-variable=local-infile=0
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
safe-show-database
old_passwords
back_log = 75
skip-innodb
max_connections = 1500
key_buffer = 1024M
myisam_sort_buffer_size = 64M
join_buffer_size = 1M
read_buffer_size = 1M
sort_buffer_size = 2M
table_cache = 4000
thread_cache_size = 512
wait_timeout = 14400
connect_timeout = 10
tmp_table_size = 64M
max_heap_table_size = 64M
max_allowed_packet = 64M
net_buffer_length = 16384
max_connect_errors = 10
thread_concurrency = 32
read_rnd_buffer_size = 786432
bulk_insert_buffer_size = 8M
query_cache_limit = 5M
query_cache_size = 144M
query_cache_type = 1
query_prealloc_size = 262144
query_alloc_block_size = 65536
transaction_alloc_block_size = 8192
transaction_prealloc_size = 4096
default-storage-engine = MyISAM

[mysqld_safe]
err-log=/var/log/mysqld.log
pid-file=/var/lib/mysql/mysql.pid
nice = -10
open_files_limit = 8192

[mysqldump]
quick
max_allowed_packet = 64M

[myisamchk]
key_buffer = 1024M
sort_buffer = 384M
read_buffer = 256M
write_buffer = 256M

[mysqlhotcopy]
interactive-timeout
-----------------------------------------------------------------------


top :

------------------------------------------------------------------------
top - 18:27:31 up  2:51,  2 users,  load average: 1.91, 2.55, 2.58
Tasks: 533 total,   2 running, 531 sleeping,   0 stopped,   0 zombie
Cpu(s):  7.0%us,  3.6%sy,  0.0%ni, 89.1%id,  0.1%wa,  0.0%hi,  0.2%si,  0.0%st
Mem:  16632148k total,  2014536k used, 14617612k free,   102904k buffers
Swap:  4192924k total,        0k used,  4192924k free,   737684k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
22527 mysql      5 -10 1228m 174m 3040 S   81  1.1  22:52.61 mysqld
 3717 nobody    16   0 31248  13m 4052 S    6  0.1   0:01.08 httpd
 3680 nobody    16   0 31380  13m 4060 R    4  0.1   0:03.07 httpd
 3748 nobody    15   0 31044  13m 4052 S    4  0.1   0:01.02 httpd
 3687 nobody    15   0 31324  13m 4064 S    4  0.1   0:01.53 httpd
 3774 nobody    16   0 31324  13m 4056 S    4  0.1   0:00.72 httpd
 3797 nobody    15   0 31324  13m 4060 S    4  0.1   0:02.20 httpd
 3850 nobody    15   0 31380  13m 4068 S    4  0.1   0:02.11 httpd
 3858 nobody    15   0 31020  13m 4060 S    4  0.1   0:02.91 httpd
 3861 nobody    16   0 31252  13m 4116 S    4  0.1   0:01.46 httpd
 3900 nobody    15   0 31332  13m 4056 S    4  0.1   0:01.22 httpd
 3649 nobody    15   0 31316  13m 4060 S    3  0.1   0:01.06 httpd
 3696 nobody    15   0 31020  13m 4052 S    3  0.1   0:01.20 httpd
 3654 nobody    15   0 31308  13m 4124 S    3  0.1   0:02.05 httpd
 3707 nobody    16   0 31552  13m 4060 S    3  0.1   0:02.03 httpd
 3711 nobody    15   0 31072  13m 4060 S    3  0.1   0:02.52 httpd
 3790 nobody    15   0 31376  13m 4064 S    3  0.1   0:02.00 httpd
 3794 nobody    15   0 31048  13m 4060 S    3  0.1   0:01.10 httpd
 3897 nobody    15   0 30764  13m 4404 S    3  0.1   0:01.76 httpd
 3907 nobody    15   0 31316  13m 4060 S    3  0.1   0:02.35 httpd
 3884 nobody    15   0 31156  13m 4056 S    2  0.1   0:00.99 httpd
 3664 nobody    15   0 31308  13m 4060 S    2  0.1   0:01.97 httpd
 3838 nobody    15   0 31340  13m 4056 S    2  0.1   0:00.88 httpd
--------------------------------------------------------------------------------------------------

root@server [~]# netstat -lpan | grep :80 | wc -l
1657
root@server [~]#
----------------------------------------------------------------------------------------------





So anyone expert on Apache configuration please bring us on some light on what to change to optimize this web server and solv this problem ??Start Free Trial