[jboss-jira] [JBoss JIRA] (AG-69) Pool-less mode

[Jesper Pedersen (JIRA)]

Jesper Pedersen created AG-69:
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             Summary: Pool-less mode
                 Key: AG-69
                 URL: https://issues.jboss.org/browse/AG-69
             Project: Agroal
          Issue Type: Feature Request
          Components: pool
            Reporter: Jesper Pedersen
            Assignee: Luis Barreiro


In scenarios where multiple pools access the same data source instance you may end up in a situation where the combined number of max-pool-size is greater than the maximum number of connections in the data source.

Introduce a pool-less mode, where the underlying connection is closed upon return to the pool if the pool size is greater than min-pool-size.

This will allow you to configure Agroal to 
{{.mode("pool-less").minSize(0).maxSize(1)}}
that only use 1 connection that is returned upon close. This is especially useful for service-mesh scenarios where each service is short-lived, and process one transaction.




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