Did you put your entire database on SSD or just the WAL/indexes? On 28 July 2015 at 23:39, Graeme B. Bell <graeme.b...@nibio.no> wrote:
> Some of you may have had annoying problems in the past with autofreeze or > autovacuum running at unexpected moments and dropping the performance of > your server randomly. > > On our SSD-RAID10 based system we found a 20GB table finished it's vacuum > freeze in about 100 seconds. There were no noticeable interruptions to our > services; maybe a tiny little bit of extra latency on the web maps, very > hard to tell if it was real or imagination. > > If auto-stuff in postgresql has been a pain point for you in the past, I > can confirm that SSD drives are a nice solution (and also for any other > autovacuum/analyze type stuff) since they can handle incoming random IO > very nicely while also making very fast progress with the housekeeping work. > > Graeme Bell > > > > -- > Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-performance > -- Regards, Ang Wei Shan
