| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | "scott(dot)marlowe" <scott(dot)marlowe(at)ihs(dot)com> |
| Cc: | Noah Silverman <noah(at)allresearch(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Speed Question |
| Date: | 2002-12-20 23:50:25 |
| Message-ID: | 25958.1040428225@sss.pgh.pa.us |
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| Lists: | pgsql-performance |
"scott.marlowe" <scott(dot)marlowe(at)ihs(dot)com> writes:
> On Fri, 20 Dec 2002, Noah Silverman wrote:
>> Issue #1: Speed of inserts is relatively slow. 100000 inserts is
> Are you doing these in a transaction? If not, then try adding a
> begin;end; pair around your inserts. i.e.
> begin;
> insert 100000 rows
> end;
Or use a COPY command instead of retail inserts. See also the tips at
http://www.ca.postgresql.org/users-lounge/docs/7.3/postgres/populate.html
> One is you might get some help from a multi-column index.
Yes, I'd recommend a multi-column index when no single column is
particularly selective.
regards, tom lane
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