Here my setting...
My problem is ... Connection pool look like don't open 10 connection at
start-up, and when my servlet run for a while... Let it open up more
connections(over 30) and then wait... (after a night .. :-D)... When I
check database server, it still open more connections, I expect min. for
10 only.
My setup anything got wrong? Thx.
------------------->8------------------------
<?xml version='1.0' encoding='utf-8'?>
...
<ResourceParams name="jdbc/myjdniname">
<parameter>
<name>factory</name>
<value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
</parameter>
<!-- Maximum number of dB connections in pool. Make sure you
configure your mysqld max_connections large enough to handle
all of your db connections. Set to 0 for no limit.
-->
<parameter>
<name>maxActive</name>
<value>100</value>
</parameter>
<!-- Maximum number of idle dB connections to retain in pool.
Set to 0 for no limit.
-->
<parameter>
<name>maxIdle</name>
<value>10</value>
</parameter>
<parameter>
<name>minIdle</name>
<value>10</value>
</parameter>
<!-- Maximum time to wait for a dB connection to become
available
in ms, in this example 10 seconds. An Exception is thrown if
this timeout is exceeded. Set to -1 to wait indefinitely.
-->
<parameter>
<name>maxWait</name>
<value>10000</value>
</parameter>
<parameter>
<name>username</name>
<value>myuserid</value>
</parameter>
<parameter>
<name>password</name>
<value>mypassword</value>
</parameter>
<!-- Class name for mm.mysql JDBC driver -->
<parameter>
<name>driverClassName</name>
<value>net.sourceforge.jtds.jdbc.Driver</value>
</parameter>
<parameter>
<name>url</name>
<value>
jdbc:jtds:sqlserver://myserver/mydatabase;TDS=4.2;charset=big5</value>
</parameter>
<parameter>
<name>validationQuery</name>
<value>select count(*) from tablename</value>
</parameter>
<parameter>
<name>testOnBorrow</name>
<value>true</value>
</parameter>
<parameter>
<name>testWhileIdle</name>
<value>true</value>
</parameter>
<parameter>
<name>timeBetweenEvictionRunsMillis</name>
<value>5000</value>
</parameter>
<parameter>
<name>minEvictableIdleTimeMillis</name>
<value>10000</value>
</parameter>
</ResourceParams>
....
</Context>
------------------->8------------------------
Regards,
Gordon Luk
-----Original Message-----
From: D'Alessandro, Arthur [mailto:[EMAIL PROTECTED]
Sent: Thursday, March 25, 2004 7:03 PM
To: Tomcat Users List; Tomcat Users List
Subject: RE: Connection Pool setup.
May help if you post your resource snipplet (replacing any host
/user/passwd info)
-----Original Message-----
From: Gordon Luk [mailto:[EMAIL PROTECTED]
Sent: Thu Mar 25 05:30:56 2004
To: Tomcat Users List
Subject: Connection Pool setup.
Hi All,
May be I missing understand the DBCP configuration. Anyone could
help ? I want my connection pool are Max 100 connection, 10 conn. At
start-up, max idle 10, when idle for 10 min then kill it. Something like
that.
Thanks.
Regards,
Gordon Luk
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