what's DBI sharing? do you mean Apache::DBI?
Does perl has Java similar DB connection pool?

Thanks.

On Mon, Feb 8, 2021, at 4:21 AM, James Smith wrote:
> DBI sharing doesn't really gain you much - and can actually lead you into a 
> whole world of pain. It isn't actually worth turning it on at all.
> 
> We use dedicated DB caching in the cases where we benefit from it as and when 
> you need it (low level caching database)...
> 
> Although milage may vary - our problem was DB servers with 30 or 40 databases 
> on them being connected from a number of approximately 50-100 child apaches, 
> meant we ended up blowing up the connections to the database server really 
> quickly...
> 
> 
> -----Original Message-----
> From: Vincent Veyron <vv.li...@wanadoo.fr> 
> Sent: 07 February 2021 19:06
> To: Steven Haigh <net...@crc.id.au>
> Cc: James Smith <j...@sanger.ac.uk>; modperl@perl.apache.org
> Subject: Re: Moving ExecCGI to mod_perl - performance and custom 'modules' 
> [EXT]
> 
> On Sun, 07 Feb 2021 23:58:17 +1100
> Steven Haigh <net...@crc.id.au> wrote:
> > 
> > I haven't gotten into the preload or DBI sharing yet - as that'll end 
> > up needing a bit of a rewrite of code to take advantage of. I'd be 
> > open to suggestions here from those who have done it in the past to 
> > save me going down some dead ends :D
> 
> I use mod_perl handlers, so not sure how it mixes with PerlRegistry, but you 
> probably want to have a look at connect_cached
> 
> 
> -- 
> 
> Bien à vous, Vincent Veyron 
> 
> https://urldefense.proofpoint.com/v2/url?u=https-3A__compta.libremen.com&d=DwIFAw&c=D7ByGjS34AllFgecYw0iC6Zq7qlm8uclZFI0SqQnqBo&r=oH2yp0ge1ecj4oDX0XM7vQ&m=C0OcuGbNbfxaSa8ASgV3uFXzejn7MpjIUH1aP1RbiyU&s=GPr8VuKQ3rZCzCPwggyAHdCOojK6ZThmShKk0Jb3maI&e=
> Logiciel libre de comptabilité générale en partie double
> 
> 
> 
> --
> The Wellcome Sanger Institute is operated by Genome Research
> Limited, a charity registered in England with number 1021457 and a
> company registered in England with number 2742969, whose registered
> office is 215 Euston Road, London, NW1 2BE.
> 

Reply via email to