Hi, Andrzej,
Andrzej Zawadzki wrote:
> After upgrade PostgreSQL from 8.0 to 8.1.4 a VACUUM FULL ANALYZE
> process is much slower, from logs:
>
> 8.0
> [13666][postgres][2006-10-06 01:13:38 CEST][1340121452] LOG: statement:
> VACUUM FULL ANALYZE;
> [13666][postgres][2006-10-06 01:39:15 CEST][0] LOG: duration: 1536862.425 ms
>
>
> 8.1
> [4535][postgres][2006-10-10 01:08:51 CEST][6144112] LOG: statement: VACUUM
> FULL ANALYZE;
> [4535][postgres][2006-10-10 02:04:23 CEST][0] LOG: duration: 3332128.332 ms
>
> Databases are equal.
Are they on equal disks? And in the same areas of those disks? Some
current disks tend to drop down their speed at the "end" of the LBA
address space drastically.
HTH,
Markus
--
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf. | Software Development GIS
Fight against software patents in Europe! www.ffii.org
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