maxActive/ maxIdle - DB connection

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maxActive/ maxIdle - DB connection

Postby robejms » 28 Oct 2010, 08:19

Anyone know what the following do in the config.xml when setting up a connection to a DB?


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Postby TiagoR » 28 Oct 2010, 08:45

What about reading the documentation...

If you go to under 3. Connecting to databases you got:

The following table illustrates the meaning of the those tags:

MaxActive: The max. number of pooled connections

MaxIdle: The max. number of idle pooled connections (-1 = no limits)

OnExhaustedPool: Specifies what action should be taken when the pool of connections is exhausted:
fail >> returns an error (RECCOMENDED)
grow >> grow the pool (Attention! You may need extra heap memory in your JVM or you could crash it)
block >> block for some time before returning an error

BlockTime: used only if you choose to block when the pool is exhausted. Expressed in ms.

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