At Tue, 26 May 2020 22:56:39 -0400, Isaac Morland <isaac.morl...@gmail.com> wrote in > On Tue, 26 May 2020 at 21:46, Kyotaro Horiguchi <horikyota....@gmail.com> > wrote: > > > At Tue, 26 May 2020 09:10:40 -0400, Jeff Janes <jeff.ja...@gmail.com> > > wrote in > > > In postgresql.conf, it says: > > > > > > #max_slot_wal_keep_size = -1 # measured in bytes; -1 disables > > > > > > I don't know if that is describing the dimension of this parameter or the > > > units of it, but the default units for it are megabytes, not individual > > > bytes, so I think it is pretty confusing. > > > > Agreed. It should be a leftover at the time the unit was changed > > (before committed) to MB from bytes. The default value makes the > > confusion worse. > > > > Is the following works? > > > > #max_slot_wal_keep_size = -1 # in MB; -1 disables > > > Extreme pedant question: Is it MB (10^6 bytes) or MiB (2^20 bytes)?
GUC variables for file/memory sizes are in a traditional representation, that is, a power of two represented by SI-prefixes. AFAICS PostgreSQL doesn't use binary-prefixed units. regards. -- Kyotaro Horiguchi NTT Open Source Software Center