pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  

help / color / mirror / Atom feed
From: Robert Haas <robertmhaas@gmail.com>
To: Jaime Casanova <jcasanov@systemguards.com.ec>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: decibel <decibel@decibel.org>
Cc: psql performance list <pgsql-performance@postgresql.org>
Subject: Re: [PERFORMANCE] work_mem vs temp files issue
Date: Wed, 13 Jan 2010 11:24:09 -0500
Message-ID: <603c8f071001130824u3e0be910lfea14c3e475c8256@mail.gmail.com> (raw)
In-Reply-To: <3073cc9b1001130814t79b313dk4377996dee0ac521@mail.gmail.com>
References: <3073cc9b0908191745o3dc63d95q6b9308ef5bd199f2@mail.gmail.com>
	<603c8f071001111107v75276375g4d626dfc0efd8dc4@mail.gmail.com>
	<3073cc9b1001111114j7ddacd56p8966f9d61997a8b@mail.gmail.com>
	<3073cc9b1001111116x53427c9bm1e448128a3b4f6c6@mail.gmail.com>
	<18803.1263241120@sss.pgh.pa.us>
	<3073cc9b1001122231m1a15d187lae2a8096a813361b@mail.gmail.com>
	<603c8f071001130723v634cb3c3u1604ea69efb04e91@mail.gmail.com>
	<10990.1263397358@sss.pgh.pa.us>
	<603c8f071001130811g22387928g72262638532370e5@mail.gmail.com>
	<3073cc9b1001130814t79b313dk4377996dee0ac521@mail.gmail.com>

On Wed, Jan 13, 2010 at 11:14 AM, Jaime Casanova
<jcasanov@systemguards.com.ec> wrote:
> On Wed, Jan 13, 2010 at 11:11 AM, Robert Haas <robertmhaas@gmail.com> wrote:
>> Well, what about when we're just doing EXPLAIN, not EXPLAIN ANALYZE?
>> It'll add another line to the output for the expected number of
>> batches.
>
> and when we are in EXPLAIN ANALYZE the real number as well?

Yeah.  My question is whether it's acceptable to add an extra line to
the EXPLAIN output for every hash join, even w/o ANALYZE.

...Robert



view thread (16+ messages)  latest in thread

Message-ID: <603c8f071001130824u3e0be910lfea14c3e475c8256@mail.gmail.com>
Permalink:  ../603c8f071001130824u3e0be910lfea14c3e475c8256@mail.gmail.com/
Also on:    postgresql.org/message-id/603c8f071001130824u3e0be910lfea14c3e475c8256@mail.gmail.com

 · 

reply
Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: robertmhaas@gmail.com, jcasanov@systemguards.com.ec, tgl@sss.pgh.pa.us, decibel@decibel.org
  Subject: Re: [PERFORMANCE] work_mem vs temp files issue
  In-Reply-To: <603c8f071001130824u3e0be910lfea14c3e475c8256@mail.gmail.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox