[rt-users] Help - memory leak problems
douglas.borrie at eject.co.za
douglas.borrie at eject.co.za
Fri Oct 17 05:24:57 EDT 2003
This is complete apache config
ServerType standalone
ServerRoot "/usr/local/apache_1.3.28"
PidFile /usr/local/apache_1.3.28/logs/httpd.pid
ScoreBoardFile /usr/local/apache_1.3.28/logs/httpd.scoreboard
Timeout 300
KeepAlive On
MaxKeepAliveRequests 100
KeepAliveTimeout 15
MinSpareServers 5
MaxSpareServers 10
StartServers 5
MaxClients 50
MaxRequestsPerChild 0
Port 80
User nobody
Group nobody
ServerAdmin serveradmin at host.domain.name
ServerName host.domain.name
DocumentRoot "/usr/local/apache_1.3.28/htdocs"
<Directory />
Options FollowSymLinks
AllowOverride None
</Directory>
<Directory "/usr/local/apache_1.3.28/htdocs">
Options Indexes FollowSymLinks MultiViews
AllowOverride None
Order allow,deny
Allow from all
</Directory>
<IfModule mod_userdir.c>
UserDir public_html
</IfModule>
<IfModule mod_dir.c>
DirectoryIndex index.html
</IfModule>
AccessFileName .htaccess
<Files ~ "^\.ht">
Order allow,deny
Deny from all
Satisfy All
</Files>
UseCanonicalName On
<IfModule mod_mime.c>
TypesConfig /usr/local/apache_1.3.28/conf/mime.types
</IfModule>
DefaultType text/plain
<IfModule mod_mime_magic.c>
MIMEMagicFile /usr/local/apache_1.3.28/conf/magic
</IfModule>
HostnameLookups Off
ErrorLog /usr/local/apache_1.3.28/logs/error_log
LogLevel warn
LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\""
combined
LogFormat "%h %l %u %t \"%r\" %>s %b" common
LogFormat "%{Referer}i -> %U" referer
LogFormat "%{User-agent}i" agent
CustomLog /usr/local/apache_1.3.28/logs/access_log common
ServerSignature Off
<IfModule mod_alias.c>
Alias /icons/ "/usr/local/apache_1.3.28/icons/"
<Directory "/usr/local/apache_1.3.28/icons">
Options Indexes MultiViews
AllowOverride None
Order allow,deny
Allow from all
</Directory>
Alias /manual/ "/usr/local/apache_1.3.28/htdocs/manual/"
<Directory "/usr/local/apache_1.3.28/htdocs/manual">
Options Indexes FollowSymlinks MultiViews
AllowOverride None
Order allow,deny
Allow from all
</Directory>
ScriptAlias /cgi-bin/ "/usr/local/apache_1.3.28/cgi-bin/"
<Directory "/usr/local/apache_1.3.28/cgi-bin">
AllowOverride None
Options None
Order allow,deny
Allow from all
</Directory>
</IfModule>
<IfModule mod_autoindex.c>
IndexOptions FancyIndexing
AddIconByEncoding (CMP,/icons/compressed.gif) x-compress x-gzip
AddIconByType (TXT,/icons/text.gif) text/*
AddIconByType (IMG,/icons/image2.gif) image/*
AddIconByType (SND,/icons/sound2.gif) audio/*
AddIconByType (VID,/icons/movie.gif) video/*
AddIcon /icons/binary.gif .bin .exe
AddIcon /icons/binhex.gif .hqx
AddIcon /icons/tar.gif .tar
AddIcon /icons/world2.gif .wrl .wrl.gz .vrml .vrm .iv
AddIcon /icons/compressed.gif .Z .z .tgz .gz .zip
AddIcon /icons/a.gif .ps .ai .eps
AddIcon /icons/layout.gif .html .shtml .htm .pdf
AddIcon /icons/text.gif .txt
AddIcon /icons/c.gif .c
AddIcon /icons/p.gif .pl .py
AddIcon /icons/f.gif .for
AddIcon /icons/dvi.gif .dvi
AddIcon /icons/uuencoded.gif .uu
AddIcon /icons/script.gif .conf .sh .shar .csh .ksh .tcl
AddIcon /icons/tex.gif .tex
AddIcon /icons/bomb.gif core
AddIcon /icons/back.gif ..
AddIcon /icons/hand.right.gif README
AddIcon /icons/folder.gif ^^DIRECTORY^^
AddIcon /icons/blank.gif ^^BLANKICON^^
DefaultIcon /icons/unknown.gif
ReadmeName README
HeaderName HEADER
</IfModule>
<IfModule mod_mime.c>
AddLanguage da .dk
AddLanguage nl .nl
AddLanguage en .en
AddLanguage et .ee
AddLanguage fr .fr
AddLanguage de .de
AddLanguage el .el
AddLanguage he .he
AddCharset ISO-8859-8 .iso8859-8
AddLanguage it .it
AddLanguage ja .ja
AddCharset ISO-2022-JP .jis
AddLanguage kr .kr
AddCharset ISO-2022-KR .iso-kr
AddLanguage nn .nn
AddLanguage no .no
AddLanguage pl .po
AddCharset ISO-8859-2 .iso-pl
AddLanguage pt .pt
AddLanguage pt-br .pt-br
AddLanguage ltz .lu
AddLanguage ca .ca
AddLanguage es .es
AddLanguage sv .sv
AddLanguage cs .cz .cs
AddLanguage ru .ru
AddLanguage zh-TW .zh-tw
AddCharset Big5 .Big5 .big5
AddCharset WINDOWS-1251 .cp-1251
AddCharset CP866 .cp866
AddCharset ISO-8859-5 .iso-ru
AddCharset KOI8-R .koi8-r
AddCharset UCS-2 .ucs2
AddCharset UCS-4 .ucs4
AddCharset UTF-8 .utf8
<IfModule mod_negotiation.c>
LanguagePriority en da nl et fr de el it ja kr no pl pt pt-br ru ltz ca
es sv tw
</IfModule>
AddType application/x-tar .tgz
AddEncoding x-compress .Z
AddEncoding x-gzip .gz .tgz
</IfModule>
<IfModule mod_setenvif.c>
BrowserMatch "Mozilla/2" nokeepalive
BrowserMatch "MSIE 4\.0b2;" nokeepalive downgrade-1.0 force-response-1.0
BrowserMatch "RealPlayer 4\.0" force-response-1.0
BrowserMatch "Java/1\.0" force-response-1.0
BrowserMatch "JDK/1\.0" force-response-1.0
</IfModule>
NameVirtualHost *
<VirtualHost host.domain.name>
ServerName host.domain.name
DocumentRoot /opt/rt3/share/html
AddDefaultCharset UTF-8
PerlRequire /opt/rt3/bin/webmux.pl
<Location />
SetHandler perl-script
PerlHandler RT::Mason
</Location>
</VirtualHost>
Quoting "Ruslan U. Zakirov" <cubic at acronis.ru>:
> douglas.borrie at eject.co.za wrote:
> Look through all config not only VirtualHost section.
>
> > This was my previous config
> >
> > <VirtualHost host.domain.name>
> > ServerName host.domain.name
> > DocumentRoot /opt/rt3/share/html
> > AddDefaultCharset UTF-8
> >
> > PerlModule Apache::DBI
> > PerlRequire /opt/rt3/bin/webmux.pl
> >
> > <Location />
> > SetHandler perl-script
> > PerlHandler RT::Mason
> > </Location>
> > </VirtualHost>
> >
> > I changed it to this (is this what you meant by turning off Apache::DBI?)
> >
> > <VirtualHost host.domain.name>
> > ServerName host.domain.name
> > DocumentRoot /opt/rt3/share/html
> > AddDefaultCharset UTF-8
> >
> > PerlRequire /opt/rt3/bin/webmux.pl
> >
> > <Location />
> > SetHandler perl-script
> > PerlHandler RT::Mason
> > </Location>
> > </VirtualHost>
> >
> > If that is what you meant, then yes the issue is still there.
> >
> >
> > Quoting Jesse Vincent <jesse at bestpractical.com>:
> >
> >
> >>Do you still see this issue if you turn off Apache::DBI?
> >>
> >>
> >>On Fri, Oct 17, 2003 at 10:19:28AM +0200, douglas.borrie at eject.co.za
> wrote:
> >>
> >>>Hi all
> >>>
> >>>I recently installed RT 3.0.4 (and later RT 3.0.6) using apache 1.3.28
> and
> >>>mod_perl 1.29 statically linked.
> >>>I followed all the installation instructions and have installed it on a
> >>
> >>Solaris
> >>
> >>>2.6 as well as a Redhat Linux 9
> >>>box but with the same problem occuring on both.
> >>>The problem appears to be some sort of memory leak where memory is
> >>
> >>allocated but
> >>
> >>>is never released.
> >>>The size of the httpd processes grow after every request.
> >>>The end result is that all RAM is consumed and after a while all swap is
> >>
> >>also
> >>
> >>>exhausted.
> >>>
> >>>Below are samples taken of the relevant processes (top output - sorted by
> >>
> >>memory
> >>
> >>>usage) while a dummy load is applied.
> >>>The load is generated by multiple web clients with a URL similar to the
> >>>following
> >>>http://host.domain.name/index.html?HomeRefreshInterval=2 (Refresh the
> home
> >>
> >>page
> >>
> >>>every 2 seconds - too speed things up a bit)
> >>>
> >>>As you'll see the size of the processes grow and eventually all memory is
> >>
> >>used.
> >>
> >>>The only thing that I have found to help is to set MaxRequestsPerChild=1
> >>
> >>in
> >>
> >>>apache config,
> >>>but performance is really bad as after each request is handled that
> apache
> >>
> >>child
> >>
> >>>is killed and another
> >>>is restarted in it's place. I also have to limit MinSpareServers and
> >>>MaxSpareServers to about 4 with
> >>>MaxClients also set to 4.
> >>>
> >>>I have searched through the mailing list archives but I don't see anybody
> >>
> >>else
> >>
> >>>with
> >>>the same problem (some are similar but I don't seem to find a solution)
> >>>
> >>>I would really appreciate any help you could give me.
> >>>
>
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