| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Thom Brown <thom(at)linux(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: gettimeofday is at the end of its usefulness? |
| Date: | 2016-07-07 18:43:31 |
| Message-ID: | CA+TgmoYhXmpUPGv43+N_yantMH5mQJ+hQFHTEHZzakqctZPZ3A@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Jun 14, 2016 at 4:27 PM, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com> wrote:
> Semi-related: someone (Robert I think) recently mentioned investigating
> "vectorized" executor nodes, where multiple tuples would be processed in one
> shot. If we had that presumably the explain penalty would be a moot point.
Yeah, both Andres and I are interested in that, and I think he's
actively working on it. It would be quite neat if this had the effect
of reducing EXPLAIN ANALYZE's overhead to something trivial.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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