| From: | David Rowley <david(dot)rowley(at)2ndquadrant(dot)com> |
|---|---|
| To: | Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com> |
| Cc: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Accounting of zero-filled buffers in EXPLAIN (BUFFERS) |
| Date: | 2018-07-12 01:28:37 |
| Message-ID: | CAKJS1f_kem=OzVpFADzC2=VpzcXuSQ+HCW=Hp67GAXrnQ-EVTw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 12 July 2018 at 12:19, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)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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