connection.close() on a pooled connection is returned to the pool, i.e.,
idled.  Unless doing so would exceed maxIdle, in which case it would be
really closed.

I can't say for sure when it was added, but I can say I've used it with
5.0.28, whether or not it was documented.  It's just a port / repackaging of
Commons DBCP, and that has had initialSize for a long time now.

Tim

-----Original Message-----
From: John Cherouvim [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, March 08, 2006 7:52 AM
To: Tomcat Users List
Subject: Re: JNDI datasource question

Thanks for your detailed explanation.

In tomcat 5.0.28 I cannot find initialSize parameter. Is it something that
was added later?
And by idle connection, do we mean the connection that was closed in a
finally block (returned to the pool)?

John


Tim Lucia wrote:

>The number of connections is affected by three parameters:
>
>    initialSize="10"
>    maxIdle="20"
>    maxActive="50"
>also:
>    maxWait="5000"
>
>initialSize="10" says make 10 connections at startup.  SHOW PROCESSLIST 
>will reveal 10 processes in this case.
>
>maxIdle="20" says close any idle connections in excess of 20.  SHOW 
>PROCESSLIST will reveal 20 or fewer idle processes in this case.
>
>maxActive="50" says to cut off incoming connections at 50.  Any 
>connection attempt beyond 50 will wait for maxWait="5000" (5 seconds) 
>for a free connection before giving up.
>
>Tim
>
>
>-----Original Message-----
>From: John Cherouvim [mailto:[EMAIL PROTECTED]
>Sent: Wednesday, March 08, 2006 7:17 AM
>To: users@tomcat.apache.org
>Subject: JNDI datasource question
>
>Hello
>
>I have a JNDI Datasource pooling 10 connections on a database of my 
>mysql server. Why does it use only one process on the mysql server? I 
>have set max active to 10 connections and I am accessing the 
>application from different IPs at the same time. I then perform a SHOW 
>PROCESSLIST on mysql and I only see one process related to the 
>datasource. On the other hand, applications which access the database 
>directly or using programmatic connection polling use many processes as
expected.
>
>Could someone explain me if this is the case and why does it happen?
>
>Thanks
>
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