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From "Anil Ranka" <anil.tom...@gmail.com>
Subject Re: Help with Tomcat Clustering and load balancing
Date Thu, 28 Sep 2006 23:00:09 GMT
Chris,
   How you download Apache 2.2.4. I can see only 2.2.3 released.

Thanks
Anil

On 9/28/06, Chris Berthold <CBerthold@terrafirma-productions.com> wrote:
>
> I replied to your direct message but important for the list.  The hot
> standby feature was added in 2.2.4 development, my bad, its already in
> the docs too. I've never used it so I'm not quite sure how you would do
> the hot stand by on 2.2.3 or older with the mod_proxy load balancer.
> You can use mod_jk which does provide those features.
>
> I stopped using mod_jk because it doesn't work properly with my
> firewall that segregates my segments.  One dropped connection a boom
> mod_jk gets confused.
>
> -----Original Message-----
> From: Anil Ranka [mailto:anil.tomcat@gmail.com]
> Sent: Thursday, September 28, 2006 3:56 PM
> To: Tomcat Users List
> Subject: Re: Help with Tomcat Clustering and load balancing
>
> Chris,
>   I am using Apache 2.2.3 on Windows XP.
>
> D:\sam\apache\Apache2.2\bin>httpd.exe -v
> Server version: Apache/2.2.3
> Server built:   Jul 27 2006 16:49:49
>
>
> Thanks
> Anil S. Ranka
>
>
> On 9/28/06, Chris Berthold <CBerthold@terrafirma-productions.com> wrote:
> >
> > What version of apache are you using?
> >
> > -----Original Message-----
> > From: Anil Ranka [mailto:anil.tomcat@gmail.com]
> > Sent: Thursday, September 28, 2006 3:37 PM
> > To: Tomcat Users List
> > Subject: Re: Help with Tomcat Clustering and load balancing
> >
> > Hi,
> >   I have tried your suggestion, When I run my apache on windows env, I
> > am
> > getting following error
> >
> > BalancerMember Unknow status parameter option
> >
> > for line : BalancerMember ajp://1.2.3.5:8009 status=+H
> >
> > Any clue.
> >
> > Thanks
> > Anil S. Ranka
> >
> > On 9/28/06, Chris Berthold <CBerthold@terrafirma-productions.com>
> wrote:
> > >
> > > You'll probably want to use mod_proxy_ajp I've had pretty good
> success
> > > with it.  I'm not sure why you would be using an active-hot
> > standby-hot
> > > standby instead of active-active-hot standby but who am I to judge
> =o)
> > >
> > > Get a configuration working with it first on one server then work
> > > towards the hot stand bys
> > >
> > > Your apache load balancing config will look like this if you want to
> > use
> > > mod_proxy_ajp:
> > >
> > > <VirtualHost *:80>
> > >   ServerName www.mydomain.com
> > >   DocumentRoot /www/www.mydomain.com/html
> > >
> > >   ReWriteEngine on
> > >
> > >   # will preserve the host name in the request so you can use
> virtual
> > >   # domains on the apache side
> > >   ProxyPreserveHost On
> > >   # prevents reverse proxying
> > >   ProxyRequests Off
> > >   ProxyVia Off
> > >
> > >   # proxy rewrite rule
> > >   ProxyPass / balancer://hotcluster/
> > >
> > >   <Proxy balancer://hotcluster>
> > >
> > >     BalancerMember ajp://1.2.3.4:8009 loadfactor=1
> > >     # The below servers are the hot standbys
> > >     BalancerMember ajp://1.2.3.5:8009 status=+H
> > >     BalancerMember ajp://1.2.3.6:8009 status=+H
> > >     ProxySet lbmethod=bytraffic
> > >   </Proxy>
> > >
> > > </VirtualHost>
> > >
> > > You can also use straight up mod_proxy by changing the ajp://
> > references
> > > to http:// and change the ports 8009 to 8080. I believe if you do so
> > it
> > > will not scale as well because the AJP interface transfers data from
> > > Tomcat to Apache HTTP via a binary format versus the straight up
> text
> > > interface.
> > >
> > > Hope this helps,
> > > Chris Berthold
> > >
> > > -----Original Message-----
> > > From: Anil Ranka [mailto:anil.tomcat@gmail.com]
> > > Sent: Thursday, September 28, 2006 9:50 AM
> > > To: users@tomcat.apache.org
> > > Subject: Help with Tomcat Clustering and load balancing
> > >
> > > Hi All,
> > >
> > >   I am new with Tomcat Clustering feature. I have configured my
> three
> > > tomcats nodes in cluster mode and they are talking to each other no
> > > issues.
> > > Out these three nodes N1, N2 and N3 only one node will be ACTIVE
> node
> > > and
> > > rest two will be PASSIVE. ACTIVE means my app will be loaded on only
> > one
> > > node. When this ACTIVE node goes down, using clustering mechanism I
> am
> > > able
> > > to load my APP on next node from list. This scenario works very
> well.
> > > !!!!
> > > NO ISSUES!!!
> > >
> > > Now to out side world I have to give URL so that they can submit
> jobs
> > to
> > > this clustered nodes. Here I get lost. I am assuming I need load
> > > balancer/proxy will which will route my request to ACTIVE node.
> > >
> > > My question is : How to configure load balancer/proxy server to rote
> > my
> > > request to any specific ACTIVE node.
> > >
> > > I tries tomcat web apps load balance, it does url redirect and I
> loose
> > > my
> > > request data.
> > >
> > > Any help/pointer will be highly appreciated.
> > >
> > > Thanks
> > > Anil S. Ranka
> > >
> > >
> ---------------------------------------------------------------------
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> > >
> > >
> >
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> >
> >
>
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