Re: [SQL] Transient Disk Usage Higher In 7.2 ?

Reposted to -hackers.

Are you able to post the actual SQL query they are trying to execute?  If
not the exact one with the exact data, an analagous one?

Chris

> -----Original Message-----
> From: pgsql-sql-owner@postgresql.org
> [mailto:pgsql-sql-owner@postgresql.org]On Behalf Of Mark kirkwood
> Sent: Tuesday, 19 February 2002 4:38 PM
> To: pgsql-sql
> Subject: [SQL] Transient Disk Usage Higher In 7.2 ?
>
>
> Dear list,
>
> I have a customer who is testing 7.2 before upgrading (from 7.1.3)
>
> They are getting errors like :
>
> cannot extend tablename - No space left on device check free disk space
> or
> write to hashjoin temp file failed
>
> However when they attempt the same query with a 7.1.3 installation (On
> the same machine), they do not get these.
> (I dont know how different the query plans are between the 7.1 and 7.2
> tests... see below)
>
> I am informed that there is "quite a bit" of free disk on the
> machine.(no numbers I am afraid... I am going in to have a look on
> Thursday).
>
> Is there an "expectation" that 7.2 will use temp space more aggressively
> than 7.1 ?
>
> (They are using a vanilla Mandrake Linux - either 8.0 or 8.1...)
>
> regards and apologies about the lack of specifics  :-(....
>
> Mark
>
>
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