On 26.08.2015 12:36, Prarthana Agwania wrote:
Chuck,
Apologies for the confusion. Let me rephrase it,
Currently, we have multiple Tomcat nodes running on a single or on
different physical machines with each having its own object pool
(consider we have a pool of java String object but not connection
pool) i.e., an object pool per node. The requirement is to share this
pool of objects across Tomcat nodes.
Is there any such implementation that we can readily use to achieve this?
Maybe you should look at something like this :
https://code.google.com/p/memcached/wiki/Clients
Thanks,
Prarthana
On Tue, Aug 25, 2015 at 6:10 PM, Caldarale, Charles R
<chuck.caldar...@unisys.com> wrote:
From: Prarthana Agwania [mailto:prarthana.agwa...@gmail.com]
Subject: Tomcat 8.0.23, Apache Commons 2.2: Object pool shared across Tomcat
servers/clusters?
Currently in our project, we have multiple Tomcat servers running on a
single physical server each having its own connection pool. We have a
requirement where in, we could have a shared connection pool across
multiple Tomcat servers.
Whoever came up with that requirement is seriously confused. Underlying every
database connection is a TCP/IP connection, which by definition, is
point-to-point. There is no possible way for a single TCP/IP connection to be
usable other than by the two end points (discounting MITM hacks).
At best, you could invent a proxy machine which would connect to the DB server,
and each Tomcat server could connect to the proxy. The added complication,
performance impact, and overall cost make this a completely nonsensical thing
to do.
- Chuck
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