Hi,
Anyone have comparisons/benchmarks to give some
idea of the potential performance gains?
Say compared to doing the stuff here:
http://www.postgresql.org/docs/8.2/static/populate.html
Regards,
Link.
At 09:35 AM 11/5/2007, Toru SHIMOGAKI wrote:
Dimitri, thank you for your quoting. I'm a
Hi all.
I'd like to know whether the indexes on a table are updated or not during
a COPY ... FROM request.
That is, should I drop all indexes during a COPY ... FROM in order to gain
the maximum speed to load data?
Thanks.
--
Reg me Please
---(end of
On 11/4/07, Reg Me Please [EMAIL PROTECTED] wrote:
Hi all.
I'd like to know whether the indexes on a table are updated or not during
a COPY ... FROM request.
That is, should I drop all indexes during a COPY ... FROM in order to gain
the maximum speed to load data?
Thanks.
Although
Il Sunday 04 November 2007 14:59:10 Josh Tolley ha scritto:
On 11/4/07, Reg Me Please [EMAIL PROTECTED] wrote:
Hi all.
I'd like to know whether the indexes on a table are updated or not during
a COPY ... FROM request.
That is, should I drop all indexes during a COPY ... FROM in order
On Nov 4, 2007, at 9:15 AM, Reg Me Please wrote:
Il Sunday 04 November 2007 14:59:10 Josh Tolley ha scritto:
On 11/4/07, Reg Me Please [EMAIL PROTECTED] wrote:
Hi all.
I'd like to know whether the indexes on a table are updated or
not during
a COPY ... FROM request.
That is, should I
Il Sunday 04 November 2007 16:21:41 Erik Jones ha scritto:
On Nov 4, 2007, at 9:15 AM, Reg Me Please wrote:
Il Sunday 04 November 2007 14:59:10 Josh Tolley ha scritto:
On 11/4/07, Reg Me Please [EMAIL PROTECTED] wrote:
Hi all.
I'd like to know whether the indexes on a table are updated
Josh Tolley [EMAIL PROTECTED] writes:
Although questions of which is faster often depend very heavily on
the data involved, the database schema, the hardware, etc., typically
people find it best to drop all indexes during a large import and
recreate them afterward.
See also the extensive
Hi,
Le Sunday 04 November 2007 11:22:19 Reg Me Please, vous avez écrit :
That is, should I drop all indexes during a COPY ... FROM in order to
gain the maximum speed to load data?
When looking for a way to speed up data loading, you may want to consider
pgbulkload, a project which optimizes
Dimitri, thank you for your quoting. I'm a pg_bulkload author.
pg_bulkload is optimized especially for appending data to table with indexes.
If you use it, you don't need to drop index before loading data. But you have to
consider conditions carefully as Dimitri said below. See also pg_bulkload
