Re: Explain buffers display units. - Mailing list pgsql-hackers

From Greg Stark
Subject Re: Explain buffers display units.
Date
Msg-id 407d949e1002160835v79521e2j31a3f0f92e44fe2c@mail.gmail.com
Whole thread Raw
In response to Re: Explain buffers display units.  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
On Tue, Feb 16, 2010 at 3:54 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Alvaro Herrera <alvherre@commandprompt.com> writes:
>> Greg Stark escribió:
>>> Oops. Well, I would like to know if I'm in the minority and have to
>>> roll this back before I fix that.
>
>> My personal opinion is that displaying number of blocks in all EXPLAIN
>> formats is more consistent.
>
> FWIW, I vote for number of blocks too.  I tend to see those numbers as
> more indicative of number of I/O requests than amount of memory used.

Ok, that's 3:1 against.

I suspect we'll revisit this once you see all the other
instrumentation I plan for 9.1. It will be much easier to make sense
of all the numbers in consistent units. But we'll see then.

I won't be able to do the rollback until about 11pm EST again today.


--
greg


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