Thanks again Andrea.

I will let the group know if I come across any script or come up with something 
on my own.

Thanks,
Ravi.



________________________________
From: Andrea Aime <andrea.a...@geo-solutions.it>
To: Ravi Pavuluri <ravith...@ymail.com>
Cc: "geoserver-users@lists.sourceforge.net" 
<geoserver-users@lists.sourceforge.net>
Sent: Thursday, April 21, 2011 12:09 PM
Subject: Re: [Geoserver-users] Geoserver Migration+ PostGIS(JNDI)


On Thu, Apr 21, 2011 at 6:02 PM, Ravi Pavuluri <ravith...@ymail.com> wrote:

Andrea,
>
>
>Thank you for your response. Let me put it in a different way.
>
>
>PostGIS Database Server has 45+ databases and tables(imported shapefiles) are 
>stored in default "public" schema. Each database has 8-10 tables. When I 
>create PostGIS connection to a database using GeoServer interface, I limit max 
>connections to that database as 8. 
>
>
>Based on your reply, I think it is where the connection pooling is enabled. Am 
>I correct?
>

Correct. With this setup you have at most 45 * 8 open connections: 360.
 

>
>Looks like JNDI doesn't help with my data organization. 
>
>
>
>I will have to restructure my data to put them in different schemas in the 
>same database. Correct? 
>
>Is there any script(s)/mechanism that help me to re-publish my data to make 
>use of JNDI? 
>

Not aware of any, you might want to search on Google.
 

>
>I check the RAM usage using "Webmin" module where approx 2GB of RAM is given 
>to Java/Tomcat/GeoServer followed by the list of processes(sample provided 
>below). There is a significant amount of styling for each of the layers.
>
>
>
>PID                Owner         Size                           Command
>
>32426
> pgsql 87580 kB postgres: postgres MyLayer1 127.0.0.1(33444) idle 
>
>
>"Size" is what telling me the RAM usage(Correct me if I am wrong). The 
>connections are made and you can see they become idle very soon after they are 
>made.May be they are sitting in the buffer pool of DB? I do not check the 
>"HTTP Caching" option while publishing the data layers.
>

They are sitting in the pool, that's what the pool is for: keeping connections 
open to avoid
the (significant) overhead involved in closing and opening them.


Cheers
Andrea
 
-- 
-------------------------------------------------------
Ing. Andrea Aime
GeoSolutions S.A.S.
Tech lead

Via Poggio alle Viti 1187
55054  Massarosa (LU)
Italy

phone: +39 0584 962313
fax:      +39 0584 962313

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