| From: | Mike Nolan <nolan(at)gw(dot)tssi(dot)com> |
|---|---|
| To: | scrappy(at)postgresql(dot)org (Marc G(dot) Fournier) |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Sustained inserts per sec ... ? |
| Date: | 2005-04-01 19:27:14 |
| Message-ID: | 200504011927.j31JRFMK006424@gw.tssi.com |
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| Lists: | pgsql-performance |
> Just curious, but does anyone have an idea of what we are capable of? I
> realize that size of record would affect things, as well as hardware, but
> if anyone has some ideas on max, with 'record size', that would be
> appreciated ...
Well, I just did an insert of 27,500 records with 9 fields, averaging
around 118 bytes per record, each insert statement coming from a separate
SQL statement fed to psql, and it took a bit over 4 minutes, or about
106 inserts per second.
That seems consistent with what I get when I do a restore of a dump
file that has insert statement instead of COPY.
The hardware is a Dell dual Xeon system, the disks are mirrored SATA
drives with write buffering turned off.
--
Mike Nolan
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