VACUUM VERBOSE 8.1dev

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: pgsql-hackers(at)postgresql(dot)org
Subject: VACUUM VERBOSE 8.1dev
Date: 2005-09-14 03:44:44
Message-ID: 43279CAC.5000301@commandprompt.com
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Hello,

It seems the new VACUUM VERBOSE output is not quite as helpful as 8.0.
In 8.0 I get a nice output at the end like this:

INFO: free space map: 1377 relations, 22478 pages stored; 44112 total
pages needed
DETAIL: Allocated FSM size: 100000 relations + 2000000 pages = 17702 kB
shared memory.

Which tells me exactly what I need to do with max_fsm_pages/relations.

The new output appears:

booktown=# VACUUM FULL VERBOSE books ;
INFO: vacuuming "public.books"
INFO: "books": found 32804 removable, 14 nonremovable row versions in
242 pages
DETAIL: 0 dead row versions cannot be removed yet.
Nonremovable row versions range from 48 to 72 bytes long.
There were 0 unused item pointers.
Total free space (including removable row versions) is 1845484 bytes.
241 pages are or will become empty, including 241 at the end of the table.
1 pages containing 6768 free bytes are potential move destinations.

I am sure the above tells me the same thing but not as easily.

Comments?

Sincerely,

Joshua D. Drake

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