On Tue, Aug 23, 2022, at 1:54 PM, [email protected] wrote:
> As stated in the docs:
>
> > All SQLAlchemy pool implementations have in common that none of them “pre
> > create” connections - all implementations wait until first use before
> > creating a connection
>
> Is it possible to warm up, or pre create, the connections in the pool?
sure do a pre-connect like this:
conns = [engine.connect() for i in range(num_of_connections_you_want)]
for c in conns:
c.close()
the connections are all made at the same time so that will establish individual
connections in the pool.
>
> When I start my server, the connection pool is initially empty. I'm using
> Oracle and connection initialization has a lot of overhead. I'm seeing as
> high as 4 seconds sometimes.
>
> The only way I can think of is to spawn a lot of threads that all check out a
> connection and release it after ~10 seconds. Is there a built in solution for
> this?
>
> Thanks and best regards,
>
> Matthew
>
>
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> SQLAlchemy -
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>
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SQLAlchemy -
The Python SQL Toolkit and Object Relational Mapper
http://www.sqlalchemy.org/
To post example code, please provide an MCVE: Minimal, Complete, and Verifiable
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