On Thu, Oct 12, 2017 at 10:00 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> From my experience with Oracle I would say that that is a can of worms.
>
> Yeah, I'm pretty suspicious of the idea too. We've had an awful lot of
> bad experience with local plan caching, to the point where people wonder
> why we don't just auto-replan every time. How would a shared cache
> make that better? (Even assuming it was otherwise free, which it
> surely won't be.)
Obviously it wouldn't. But it might make other things better.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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