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List:       monetdb-developers
Subject:    Re: [Monetdb-developers] best practices with connection pool
From:       Fabian Groffen <Fabian.Groffen () cwi ! nl>
Date:       2008-05-27 15:06:13
Message-ID: 20080527150612.GD28843 () cwi ! nl
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On 27-05-2008 16:41:02 +0200, Stefan de Konink wrote:
> What is currently the best practice of connecting to MonetDB5/SQL? Is 
> there much overhead in the connection phase (thus: cache the connection) 
> or can a developer just reconnect each time the database connection is 
> required without much overhead?
> 
> The target platform is extremely demanding in requests and memory, so I 
> would like to design it good from the start.

Then go for connection pooling.  Logging in requires a handshake, which
is expensive on large scale.  Beware that using >1 connection at the
same time to an SQL server is a challenge that is only minimally tested.
My practical experiences with that boils down to signal 11.

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