On Sat, Jan 7, 2017 at 1:27 AM, Peter Eisentraut < peter.eisentr...@2ndquadrant.com> wrote:
> On 1/5/17 12:01 PM, Andres Freund wrote: > > On 2017-01-05 08:38:32 -0500, Peter Eisentraut wrote: > >> I also suggest making the defaults for both 20 instead of 10. That > >> leaves enough room that almost nobody ever has to change them, whereas > >> 10 can be a bit tight for some not-outrageous installations (8 standbys > >> plus backup?). > > > > I'm afraid we need to add initdb integration / testing for those. I mean > > we have initdb test down to 10 connections to deal with limited > > resources... > > Those initdb defaults were last touched in 2005, before the use of > System V shared memory was reduced to a minimum. It might be worth > revisiting that. The only way to end up with a low number of connection > slots would seem to be a very low semaphore configuration. > > In the build farm, I have found 6 critters that do not end up with the > 100/128MB setting: sidewinder, curculio, coypu, brolga, lorikeet, > opossum. I wonder what limitations initdb is bumping against. > > Since you lookeda t the data -- they did not end up with 100, but what's the lowest they did end up with? Did they go all the way down to 10? -- Magnus Hagander Me: http://www.hagander.net/ Work: http://www.redpill-linpro.com/
