Mark Struberg created OPENJPA-2773:
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Summary: set minIdle to > 0 in DBCPDriverDataSource
Key: OPENJPA-2773
URL: https://issues.apache.org/jira/browse/OPENJPA-2773
Project: OpenJPA
Issue Type: Improvement
Components: jdbc
Affects Versions: 3.0.0
Reporter: Mark Struberg
Assignee: Mark Struberg
Fix For: 3.0.1
Right now our {{DBCPDriverDataSource}} by default sets the {{maxIdle}} to 1.
This is not wrong but also not really good in terms of performance.
It is usually much better to keep it at a much higher number. Usually somewhere
around {{maxActive}}, except when maxActive is really high.
So I'd rather keep it at 10 or even at maxActive if this param is set.
If the connections are not used, then they will get unlocked after some time
anyway.
But keeping the number 1 for {{maxIdle}} basically disables the pool, which is
not wise.
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