Re: Why MarkBufferDirtyHint doesn't increment shared_blks_dirtied
От | Robert Haas |
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Тема | Re: Why MarkBufferDirtyHint doesn't increment shared_blks_dirtied |
Дата | |
Msg-id | CA+Tgmob65BmGsipEZtwrKOM7M7O6k6=qWGgFMuB+6B475OVSZQ@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Why MarkBufferDirtyHint doesn't increment shared_blks_dirtied (Amit Kapila <amit.kapila16@gmail.com>) |
Список | pgsql-hackers |
On Wed, Mar 26, 2014 at 11:23 PM, Amit Kapila <amit.kapila16@gmail.com> wrote: > On Thu, Mar 27, 2014 at 1:39 AM, Robert Haas <robertmhaas@gmail.com> wrote: >> On Mon, Mar 24, 2014 at 9:02 PM, Amit Kapila <amit.kapila16@gmail.com> wrote: >>> MarkBufferDirty() always increment BufferUsage counter >>> (shared_blks_dirtied) for dirty blocks whenever it dirties any >>> block, whereas same is not true for MarkBufferDirtyHint(). >>> Is there any particular reason for not incrementing >>> shared_blks_dirtied in MarkBufferDirtyHint()? >> >> Hmm, I think that's a bug, dating back to this commit: >> >> commit 2254367435fcc4a31cc3b6d8324e33c5c30f265a > > Right. > Do you think the fix attached in my previous mail is appropriate? > http://www.postgresql.org/message-id/CAA4eK1KQQSpNmfxg8Cg3-JZD23Q4Ee3iCsuLZGekH=DnaGPjRA@mail.gmail.com Looks right to me. Committed and back-patched to 9.2. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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