On Tue, Aug 23, 2022, at 1:54 PM, mkmo...@gmail.com 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 > > > -- > 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 Example. See http://stackoverflow.com/help/mcve for a full > description. > --- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sqlalchemy+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sqlalchemy/d64fbfe3-f07b-49d8-a670-6059ed9a4574n%40googlegroups.com > > <https://groups.google.com/d/msgid/sqlalchemy/d64fbfe3-f07b-49d8-a670-6059ed9a4574n%40googlegroups.com?utm_medium=email&utm_source=footer>. -- 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 Example. See http://stackoverflow.com/help/mcve for a full description. --- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/81e37a19-95b0-4178-84cf-aa4253d500af%40www.fastmail.com.