On Thu, Feb 4, 2016 at 3:30 PM, Scott R Mead <sco...@openscg.com> wrote:
> > Can a hot standby run correctly with the xlog-files on a ramdisk? >> > >> >> Yes, but, if you lose any, you'll need to rebuild the standby. >> >> > Even if the master and archive contain all the wal files? > > If you have the file somewhere, you're okay, whether it's on the master, > standby or an archive host. If you're using log-shipping, you'll need all > the WALs. > So, just to verify my understanding. Using a ramdisk for pg_xlog on a hot standby slave should be ok in all cases as long as the archive and master retains all wal files that are not applied? I maintain a fairly active database (>100GB of wal files every day) and putting the wal files on a ramdisk (only for the slaves of course) helped quite a lot. -- Eld på åren og sol på eng gjer mannen fegen og fjåg. [Jøtul] <demo> Tore Halvorsen || +052 0553034554