Re: [HACKERS] More stats about skipped vacuums
От | Michael Paquier |
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Тема | Re: [HACKERS] More stats about skipped vacuums |
Дата | |
Msg-id | CAB7nPqTaVWd9vAjRzMOCKHP9k6ge-0u4w_7-YHKZ+gynGN8fpg@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: [HACKERS] More stats about skipped vacuums (Tom Lane <tgl@sss.pgh.pa.us>) |
Ответы |
Re: [HACKERS] More stats about skipped vacuums
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Список | pgsql-hackers |
On Mon, Nov 27, 2017 at 5:19 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote: > Robert Haas <robertmhaas@gmail.com> writes: >> On Sat, Nov 25, 2017 at 12:09 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote: >>> Mumble. It's a property I'm pretty hesitant to give up, especially >>> since the stats views have worked like that since day one. It's >>> inevitable that weakening that guarantee would break peoples' queries, >>> probably subtly. > >> You mean, queries against the stats views, or queries in general? If >> the latter, by what mechanism would the breakage happen? > > Queries against the stats views, of course. There has been much discussion on this thread, and the set of patches as presented may hurt performance for users with a large number of tables, so I am marking it as returned with feedback. -- Michael
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