* Robert Haas (robertmh...@gmail.com) wrote: > On Thu, Oct 10, 2013 at 2:36 PM, Peter Geoghegan <p...@heroku.com> wrote: > > On Thu, Oct 10, 2013 at 9:13 AM, Robert Haas <robertmh...@gmail.com> wrote: > >> (2) Default to using System V shared memory. If people want POSIX > >> shared memory, let them change the default. > > > >> After some consideration, I think my vote is for option #2. > > > > Wouldn't that become the call of packagers? > > Packagers can certainly override whatever we do, but we still need to > make the buildfarm green again.
While I agree that making the buildfarm green is valuable, I really wonder about a system where /dev/shm is busted. Personally, I like Andrew's suggestion to test and set accordingly, with the default being POSIX if it's available and a fall-back to SysV (maybe with a warning..). Going back to the situation where our default set-up limits us to the ridiculously small SysV value would *really* suck; even if we don't have any users today, we're certainly going to have some soon and I don't think they'll be happy with a 24MB (or whatever) limit. Thanks, Stephen
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