So how did heroku limit the database size per user? I thought about creating triggers on insert and updates but that will lead to bad performance
On Wed, Sep 28, 2016, 15:31 Tom Lane <t...@sss.pgh.pa.us> wrote: > Albe Laurenz <laurenz.a...@wien.gv.at> writes: > > Adir Shaban wrote: > >> Is there anyway to limit a database size? > >> For example, I need to create a database for user X and I don't want it > to use more than 5 GB. > > > You can create a tablespace on a device with limited size. > > Then you can create the database on that tablespace. > > Note the reference to tablespace. It's unwise to just put the whole > cluster on a tiny device (or equivalently, attempt to solve this with > OS-level disk quotas applied to the whole installation). The reason is > that PG gets very unhappy if it runs out of WAL space. Hitting a limit > on table size per se behaves a bit more sanely, though even there you > can get into trouble --- for instance, in some situations VACUUM will > try to allocate additional disk space, making recovery harder. > > regards, tom lane >
