Re: Why MarkBufferDirtyHint doesn't increment shared_blks_dirtied

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От Robert Haas
Тема Re: Why MarkBufferDirtyHint doesn't increment shared_blks_dirtied
Дата
Msg-id CA+Tgmob65BmGsipEZtwrKOM7M7O6k6=qWGgFMuB+6B475OVSZQ@mail.gmail.com
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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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