Re: postgres and persistant connections (using Apache::DBI)

since it is not a postgresql issue
i think we should not discuss it over here.
i may persue it on pvt emails.

regds
mallah.

On 3/30/06, Salem Berhanu <salemb4@hotmail.com> wrote:
> Rajesh,
> Thanks for the suggestion. I tried what you told me. In my startup script I
> did
> use Apache2::Status;
> use Apache::DBI;
> before any modules that use DB connect were loaded.
> I also included the handler for perl-status in the conf file as you
> mentioned.
> However as I access different pages the database connection doesn't persist.
> I check netstat on the db server and I see connections from the web server
> that appear and disappear.
> I checked http://my_mod_perl_server/perl-status and it has a link that says
> DBI connections but with no data in it.
> Also I wasn't clear on why you are not using connect_on_init.
> Thanks
> Salem
>
>
> >From: "Rajesh Kumar Mallah" <mallah.rajesh@gmail.com>
> >To: "Salem Berhanu" <salemb4@hotmail.com>
> >CC: pgsql-admin@postgresql.org
> >Subject: Re: [ADMIN] postgres and persistant connections (using
> >Apache::DBI)
> >Date: Wed, 29 Mar 2006 21:32:47 +0530
> >
> >On 3/29/06, Salem Berhanu <salemb4@hotmail.com> wrote:
> > > I am trying to set up a persistent connection to a handful of postgres
> >dbs
> > > at startup using Apache::DBI (also using mod_perl)
> > > Here is what I am doing but I am not sure how to check if it's working
> > > right.
> > >
> > > in httpd.conf I have
> > > PerlRequire startup.pl
> > >
> > > in startup.pl I load all the necessary perl modules and also include the
> > > lines
> > >
> > > use Apache::DBI;
> > > Apache::DBI->connect_on_init( host, login, password);
> > >
> > > This doesn't seem to make any difference. I was expecting to see
> >database
> > > connections when I restarted apache and that all queries would get
> >handled
> > > by these connections. Is this a wrong assumption? What is the
> >expectation
> > > and what would be a good test when setting up persistent connections to
> >a
> > > postgres db?
> >
> >We use DBI connection pooling with postgres in mod_perl environment
> >and it works fine. We however do not use connect_on_init as Apache::DBI
> >docs say that all DBI->connect() anyway gets intercepted transparently.
> >
> >please take care that
> >
> >1. Make sure Apache::DBI is loaded before any module that issues a DB
> >connect.
> >you can even load Apache::DBI from httpd.conf by
> >PerlRequire Apache::DBI
> >
> >2. You can know if Apache::DBI is effective or not by installing
> >Apache::Status
> >,load Apache::Status before Apache::DBI in that case and add a Location
> >section in the httpd.conf like:
> >
> >
> >--------------- httpd.conf---------------------
> >PerlModule Apache::Status
> >PerlModule Apache::DBI
> >
> ><Location /perl-status>
> >         SetHandler  perl-script
> >         PerlHandler Apache::Status
> ></Location>
> >------------------------------------------------------
> >point your browser to http://your_mod_perl_server/perl-status
> >and check the section about database conenctions.
> >
> >i am not sure if this info answers your question but
> >i am describing something that works for me.
> >
> >regds
> >Rajesh Kumar Mallah.
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > > Thanks much
> > > Salem
> > >
> > >
> > >
> > > ---------------------------(end of broadcast)---------------------------
> > > TIP 2: Don't 'kill -9' the postmaster
> > >
>
>
>