Re: using index "pg_toast_..." despite IgnoreSystemIndexes

On Mon, Aug 27, 2012 at 10:33:22AM -0400, lsq(at)nym(dot)hush(dot)com wrote:
> Hi
>
> After an upgrade to 8.4.12 from 8.4.10 we vacuum/analyzed the db.

You downgraded a server? Depending on the fixes in minor releases, that
might not work.

---------------------------------------------------------------------------

> Postgres is running in standalone mode at this point.
>
>
> vacuumdb --echo --analyze --all --verbose -U sysdba
>
> 07/31/12 04:09:57 INFO: analyzing
> "information_schema.sql_features"
> 07/31/12 04:09:57 INFO: "sql_features": scanned 7 of 7 pages,
> containing 649 live rows and 0 dead rows; 649 rows in sample, 649
> estimated total rows
> 07/31/12 04:09:57 WARNING: using index "pg_toast_2619_index"
> despite IgnoreSystemIndexes
> 07/31/12 04:09:57 WARNING: using index "pg_toast_2619_index"
> despite IgnoreSystemIndexes
> 07/31/12 04:09:57 WARNING: using index "pg_toast_2619_index"
> despite IgnoreSystemIndexes
> 07/31/12 04:09:57 WARNING: using index "pg_toast_2619_index"
> despite IgnoreSystemIndexes
> 07/31/12 04:09:57 INFO: vacuuming
> "information_schema.sql_implementation_info"
> 07/31/12 04:09:57 INFO: "sql_implementation_info": found 0
> removable, 12 nonremovable row versions in 1 out of 1 pages
> 07/31/12 04:09:57 DETAIL: 0 dead row versions cannot be removed
> yet.
> 07/31/12 04:09:57 There were 1 unused item pointers.
> 07/31/12 04:09:57 0 pages are entirely empty.
> 07/31/12 04:09:57 CPU 0.00s/0.00u sec elapsed 0.00 sec.
> 07/31/12 04:09:57 INFO: vacuuming "pg_toast.pg_toast_11452"
>
>
> I see the warning generated in systable_beginscan_ordered as a
> warning, and then it proceeds to do the work anyway.
>
> It appears as if this is benign. Is that the case?
>
> Thanks
>
>
>
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--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +