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Disadvantages of connection pooling

Vinu krish
Greenhorn

Joined: Nov 20, 2003
Posts: 16
Hello all,
Can someone tell me the disadvantages of using connection pool? For each connection in the connection pool are some server resources consumed? If so what are the resources.
Thanks in advance,
Vinu
David O'Meara
Rancher

Joined: Mar 06, 2001
Posts: 13459

What is your opinion?
One problem is that database resources are 'system' resources and not 'java' resources. This tends to make them heavier, and also causes issues like resource leakage problems. This is true of connections when not using pooling though. A 'problem' with pooling is that you have to pay for all of these resources at the beginning. Opening and closing individual resources is slow, but you only use the resources you need. Pools are required to keep connections ready in case you need them.
Vinu krish
Greenhorn

Joined: Nov 20, 2003
Posts: 16
Thanks David. I felt that some resources must be consumed and that is why I posted tht question.
 
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subject: Disadvantages of connection pooling