=?UTF-8?B?SmFyb3PFgmF3IFBhxYJrYQ==?= <[EMAIL PROTECTED]> writes:
> We are running PostgreSQL server version 7.4.6 on RedHat 9 (Shrike) on 
> single Pentium 4 (2.66 GHz) box with SCSI disc and 512 MB RAM.
> Our database contains several tables (small size) and one special table 
> with ~1000000 records (it contains log entries from system activity).We 
> decided that its time to do a little clean-up and  it's still running 
> (for about  12 hours) and it seems that it won't stop :((

Do you have any foreign keys linking *to* (not from) this table?
If so, they probably need indexes on the far end.  Also check for
datatype discrepancies.

                        regards, tom lane

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