Re: Patch: add timing of buffer I/O requests

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От Robert Haas
Тема Re: Patch: add timing of buffer I/O requests
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Msg-id CA+TgmoZhj_8A9o2FPhJxcfDnnOkb9JQn0qUdx11_k3yuW-soqg@mail.gmail.com
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Ответ на Re: Patch: add timing of buffer I/O requests  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Patch: add timing of buffer I/O requests  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-hackers
On Tue, Apr 10, 2012 at 1:44 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Robert Haas <robertmhaas@gmail.com> writes:
>> On Tue, Apr 10, 2012 at 12:11 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>>> Well, FWIW I vote for making the new columns be float8 msec.
>
>> Ugh.  So the three ways of doing timing that we have already aren't
>> enough, and we need a fourth one?  Ack!
>
> Huh?  I understood what you said upthread to be that we have two ways
> in existing releases (anything unreleased has zero standing in this
> discussion): float8 sec in pg_stat_statements.total_time, and
> int8 msec everywhere else.  Did I miss something?

We also have int8 usec floating around.  But even if we didn't, float8
msec would be a new one, regardless of whether it would be third or
fourth...

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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