| From: | Markus Wanner <markus(at)bluegap(dot)ch> |
|---|---|
| To: | Kevin Grittner <Kevin(dot)Grittner(at)wicourts(dot)gov> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Do we need a ShmList implementation? |
| Date: | 2010-09-20 18:13:32 |
| Message-ID: | 4C97A44C.1020406@bluegap.ch |
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| Thread: | |
| Lists: | pgsql-hackers |
On 09/20/2010 08:06 PM, Kevin Grittner wrote:
> Obviously, if there were a dynamic way to add to the entries as
> needed, there would be one less setting (hard-coded or GUC) to worry
> about getting right. Too low means transactions need to be
> canceled. Too high means you're wasting space which could otherwise
> go to caching. And of course, the optimal number could change from
> day to day or hour to hour.
Yeah, same problem as with lots of the other users shared memory.
It certainly makes sense to decouple the two projects, so you'll have to
pick some number that sounds good to you now.
Regards
Markus
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