tomcat-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From GOMEZ Henri <>
Subject RE: mod_jk causing httpd blowout??
Date Thu, 31 May 2001 14:35:00 GMT
Change :

JkLogLevel      warn 


JkLogLevel      error

Will help reduce log activity 

Henri Gomez                 ___[_]____
EMAIL :        (. .)                     
PGP KEY : 697ECEDD    ...oOOo..(_)..oOOo...
PGP Fingerprint : 9DF8 1EA8 ED53 2F39 DC9B 904A 364F 80E6 

>-----Original Message-----
>From: Marcus Dillury []
>Sent: Thursday, May 31, 2001 7:35 AM
>Subject: mod_jk causing httpd blowout??
>We have a production machine, running RH 7 and  apache-1.3.14-3.
>We have recently upgraded the jsp server from Jrun 2.3 to
>When we use the mod_jk/ajp13  connector in apache to talk to tomcat we
>experince huge load averages > 30, and http CPU uses > 40%.
>The set up is basically as follows:
>In httpd.conf
>##Load tomcat relevant modules. mod_jk config
>LoadModule  jk_module modules/
>AddModule   mod_jk.c
>## configure mod_jk
>JkWorkersFile   /var/tomcat/conf/
>JkLogFile       /var/tomcat/logs/mod_jk.log
>JkLogLevel      warn
>JkMount         /servlet/*    ajp13
>and with virtual servers I have set:
>JkMount         /*.jsp  ajp13
>JkMount         /servlet/*    ajp13
><DirectoryMatch /WEB-INF>
>AllowOverride None
>deny from all
>some of our web-applications also call a postgres database located on
>another machine.
>How ever when we take out the mod_jk connector, and use a simple page
>redirect to port 8080 (tomcat stand-alone.) We do not have 
>this problem.
>load averages are typically less than 2 with this setup.
>Unfortunatly this configuration is a hack solution,
>and I would like to find out why mod_jk is causing such a 
>tremendous load
>on the system.
>Is it a bug with ajp13/ mod_jk or is it my configuration?
>I didn't have this problem with Jrun. As it stands tomcat isn't stable
>enough to use in a production environment.
>Please advise.
>Thanks in advance.

View raw message