I dont understand vacuum a lot.. I admit I am stupid :-)

When you say scanned... do you mean reads or do you mean writes?

Since its really writes that I am having trouble.. the auto vacuum message tells me 11 pages were removed and so many tuples were removed.. I am guessing its writes.

I can try vacuuming that table before it starts the run to see it can avoid that..

-Jignesh




Tom Lane wrote:
"Jignesh K. Shah" <[EMAIL PROTECTED]> writes:
So from the PostgreSQL view things are doing fine based on outputs: I need to figure out the Solaris view on it now.

Could it be related to autovacuum happening also?

Maybe ... have you tried fiddling with the vacuum_cost_delay options?

Looking at the autovacuum log output,
2007-11-13 09:21:19.830 PST 9458 LOG: automatic vacuum of table "specdb.public.txn_log_table": index scans: 1
        pages: 11 removed, 105 remain
        tuples: 3147 removed, 40 remain
        system usage: CPU 0.11s/0.09u sec elapsed 6.02 sec

it seems like a serious omission that this gives you no hint how many
pages were scanned.

                        regards, tom lane

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