Hi Chris,
Tomcat AJP Connector settings:
<Connector port="${ajp.port}" protocol="AJP/1.3" redirectPort="${ssl.port}"
maxThreads="750" backlog="100"
enableLookups="false"
emptySessionPath="true" connectionTimeout="800000" URIEncoding="UTF-8" />
Apache MPM worker settings;
StartServers 3
ServerLimit 30
MaxClients 750
MinSpareThreads 25
MaxSpareThreads 75
ThreadsPerChild 25
MaxRequestsPerChild 0
Mod proxy settings in Apache
ProxyStatus On
ProxyRequests Off
ProxyTimeout 1800
ProxyPassMatch ^/(.*) ajp://localhost:8009/$1
SetEnv force-proxy-request-1.0 1
SetEnv proxy-nokeepalive 1
by monitoring Apache performance through stats provided by mod_status I've
noticed that the AJP TCP connection is always closed after Tomcat serves a
static resource like CSS, JavaScript, image or a JAR file
Thanks,
Dimitar
On Tue, Oct 18, 2011 at 3:40 PM, Christopher Schultz <
ch...@christopherschultz.net> wrote:
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> Dimitar,
>
> On 10/18/2011 2:15 PM, Dimitar Georgievski wrote:
> > We have a Tomcat 5.5.25 server connected to Apache 2.2.9 over
> > mod_ajp_proxy. Monitoring of the servers shows that AJP proxy
> > connections are not reused but closed and reopened. Frequent
> > closing of TCP connections leaves many connections in TIME_WAIT
> > state and this is something we would prefer to avoid if possible.
>
> AJP is intended to maintain persistent connections. Something must be
> going wrong or your configuration must be forcing such behavior.
>
> > My understanding of the *reuse* flag in AJP13_END_RESPONSE
> > structure is that this flag is hard coded and cannot be controlled
> > by configuration settings. I couldn't find any in Tomcat AJP
> > connector configuration that could do that.
> >
> > Since Tomcat is sending the response, is there any way to control
> > the reuse of AJP TCP connection through Tomcat configuration? I
> > hope I don't have to resort to editing and recompilation of the
> > mod_ajp_proxy module :-)
>
> Can you post your AJP <Connector> settings from conf/server.xml as
> well as your mod_proxy_ajp configuration as well?
>
> - -chris
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