Re: unreasonable run time for vacuum analyze?

--- David Monarchi <david(dot)e(dot)monarchi(at)gmail(dot)com> wrote:

> Hello -
>
> I'm running 8.2.3 on an 8-processor Linux box with a fiber-optic SAN.
>
> One table in the database contains 22.6M rows of 71 fields with an average
> length of about 500 bytes. The table is in BCNF. The table is queried in a
> wide variety of ways. There are 37 btree and Gin indexes defined on the
> table. The GIN indexes are on array fields. The rest are btree.
>
> I started running vacuum analyze on this table over 44 hours ago, and it is
> still running. The load on the machine has been modest. There have been no
> times when all eight processors were being used.
>
> 1) is this amount of time reasonable?
> 2) if I abort the vacuum analyze, will I corrupt the table, its indexes, or
> the database?
> 3) are there parameters that I can set to improve the performance of the
> vacuum analyze process?

If you don't get an answer very quickly, you might want to repost this message on the postgresql
performance list.

Regards,
Richard Broersma Jr.