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

From Merlin Moncure
Subject Re: KVP table vs. hstore - hstore performance (Was: Postgres NoSQL emulation)
Date
Msg-id BANLkTi=BuodrCmgrAE3_ydKukfLwSVzQrg@mail.gmail.com
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In response to KVP table vs. hstore - hstore performance (Was: Postgres NoSQL emulation)  (Stefan Keller <sfkeller@gmail.com>)
Responses Re: KVP table vs. hstore - hstore performance (Was: Postgres NoSQL emulation)
List pgsql-performance
On Sat, May 14, 2011 at 5:10 AM, Stefan Keller <sfkeller@gmail.com> 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?

hstore is not really designed for large-ish sets like that.

merlin

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