Re: Accounting of zero-filled buffers in EXPLAIN (BUFFERS) - Mailing list pgsql-hackers

From David Rowley
Subject Re: Accounting of zero-filled buffers in EXPLAIN (BUFFERS)
Date
Msg-id CAKJS1f_kem=OzVpFADzC2=VpzcXuSQ+HCW=Hp67GAXrnQ-EVTw@mail.gmail.com
Whole thread Raw
In response to Re: Accounting of zero-filled buffers in EXPLAIN (BUFFERS)  (Haribabu Kommi <kommi.haribabu@gmail.com>)
Responses Re: Accounting of zero-filled buffers in EXPLAIN (BUFFERS)  (Kyotaro HORIGUCHI <horiguchi.kyotaro@lab.ntt.co.jp>)
List pgsql-hackers
On 12 July 2018 at 12:19, Haribabu Kommi <kommi.haribabu@gmail.com> wrote:
> Yes, I agree that we may need a new counter that counts the buffers that
> are just allocated (no read or no write). But currently, may be the counter
> value is very less, so people are not interested.

The existing counters don't show up in EXPLAIN (ANALYZE, BUFFERS) when
they're zero. The new counter would surely work the same way, so the
users wouldn't be burdened by additional explain output it when
they're not affected by it.

-- 
 David Rowley                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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