Re: KVP table vs. hstore - hstore performance (Was: Postgres NoSQL emulation)

On 14/05/11 18:10, Stefan Keller wrote:
> Hi,
>
> I am conducting a benchmark to compare KVP table vs. hstore and got
> bad hstore performance results when the no. of records is greater than
> about 500'000.
>
> CREATE TABLE kvp ( id SERIAL PRIMARY KEY, key text NOT NULL, value text );
> -- with index on key
> CREATE TABLE myhstore ( id SERIAL PRIMARY KEY, obj hstore NOT NULL );
> -- with GIST index on obj
>
> Does anyone have experience with that?

What are your queries?

What does EXPLAIN ANALYZE report on those queries?

Did you ANALYZE your tables after populating them?

--
Craig Ringer