On Thu, Sep 27, 2012 at 08:58:05AM +1200, Gavin Flower wrote: > On 26/09/12 23:50, Ryan Kelly wrote: > >Hi: > > > >The size of our database is growing rather rapidly. We're concerned > >about how well Postgres will scale for OLAP-style queries over terabytes > >of data. Googling around doesn't yield great results for vanilla > >Postgres in this application, but generally links to other software like > >Greenplum, Netezza, and Aster Data (some of which are based off of > >Postgres). Too, there are solutions like Stado. But I'm concerned about > >the amount of effort to use such solutions and what we would have to > >give up feature-wise. > > > >We love a lot of the features that we currently have that (I think) > >would only be available with Postgres: arrays, hstore, gin/gist indexes, > >extensions. Not to mention a lot of the other great SQL standard > >features not available in other open-source databases, especially window > >functions and CTEs. > > > >Of course, migration to another solution is feasible (with enough > >effort, of course), but given my experiences with Postgres and the > >support provided by the community that is second to none, I'd very much > >like to stay with PostgreSQL. > > > >Thoughts? > > > >-Ryan Kelly > > > > > You might find it worth while to consult a reputable vendor of > Postgres, such as EnterpriseDB, who contribute change back to the > community. As you may have rather specialized needs beyond the > capacity of these mailing lists. Also, I suspect paying them to > help improve Postgres's capability to handle such large datasets > would be cheaper than an Oracle Licence and costs of migration! Contacting EnterpriseDB has been on my list of things to do for a while now. I should probably get around to do doing that :) > I don't have any specific knowledge of the current ability of > Postgres to support such high loads, so I can't comment meaningfully > on that. And even if I could, and it was favourable, I would still > recommend getting a competent company to provide consultancy for > your particular situation. > > > Cheers, > Gavin Thanks, -Ryan Kelly -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general