Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)

From: Andres Freund
Subject: Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)
Date: ,
Msg-id: 201001200513.04510.andres@anarazel.de
(view: Whole thread, Raw)
In response to: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Stark)
List: pgsql-performance

Tree view

8.4.1 ubuntu karmic slow createdb  (Michael Clemmons, )
 Re: 8.4.1 ubuntu karmic slow createdb  (Andres Freund, )
  Re: 8.4.1 ubuntu karmic slow createdb  (Michael Clemmons, )
   Re: 8.4.1 ubuntu karmic slow createdb  (Andres Freund, )
    Re: 8.4.1 ubuntu karmic slow createdb  (Nikolas Everett, )
     Re: 8.4.1 ubuntu karmic slow createdb  ("Joshua D. Drake", )
      Re: 8.4.1 ubuntu karmic slow createdb  (Nikolas Everett, )
       Re: 8.4.1 ubuntu karmic slow createdb  ("Joshua D. Drake", )
        Re: 8.4.1 ubuntu karmic slow createdb  (Nikolas Everett, )
         Re: 8.4.1 ubuntu karmic slow createdb  (Scott Marlowe, )
          Re: 8.4.1 ubuntu karmic slow createdb  (Scott Carey, )
           Re: 8.4.1 ubuntu karmic slow createdb  (Scott Marlowe, )
         Re: 8.4.1 ubuntu karmic slow createdb  (Scott Mead, )
          Re: 8.4.1 ubuntu karmic slow createdb  (Scott Marlowe, )
           Re: 8.4.1 ubuntu karmic slow createdb  (Robert Haas, )
          Re: 8.4.1 ubuntu karmic slow createdb  (Greg Smith, )
           Re: 8.4.1 ubuntu karmic slow createdb  (Michael Clemmons, )
            Re: 8.4.1 ubuntu karmic slow createdb  (Scott Marlowe, )
             Re: 8.4.1 ubuntu karmic slow createdb  (Andres Freund, )
            Re: 8.4.1 ubuntu karmic slow createdb  (Michael Clemmons, )
             Re: 8.4.1 ubuntu karmic slow createdb  (Andres Freund, )
              Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
               Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                 Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Stark, )
                  Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Stark, )
                   Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Stark, )
                    Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                    Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Smith, )
                    Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Smith, )
                   Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                   Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Tom Lane, )
                    Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Stark, )
                     Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Tom Lane, )
                      Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Robert Haas, )
                       Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                        Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Robert Haas, )
                         Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                         Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Tom Lane, )
                          Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Robert Haas, )
                           Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Stark, )
                            Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                            Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Robert Haas, )
                             Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                              Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Smith, )
                               Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                                Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Robert Haas, )
                                 Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Smith, )
                                  Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Tom Lane, )
                                   Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Robert Haas, )
                                    Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                                     Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                                      Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Alvaro Herrera, )
                                       Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Robert Haas, )
                                        Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                                        Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Stark, )
                                         Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                                        Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                     Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                     Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Robert Haas, )
                   Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                  Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
               Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Tom Lane, )
                Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                 Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Smith, )
                  Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                   Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Michael Clemmons, )
                    Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                     Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Michael Clemmons, )
                      Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                   Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Stark, )
                    Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                Re: [HACKERS] Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
               Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Greg Stark, )
                Re: [HACKERS] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (Andres Freund, )
                Re: [PERFORM] Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1ubuntu karmic slow createdb)  (Andres Freund, )
                 Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (, )
                Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)  (, )
            Re: 8.4.1 ubuntu karmic slow createdb  (Thomas Kellerer, )
       Re: 8.4.1 ubuntu karmic slow createdb  ("Joshua D. Drake", )
     Re: 8.4.1 ubuntu karmic slow createdb  ("Joshua D. Drake", )

On Tuesday 19 January 2010 15:57:14 Greg Stark wrote:
> On Tue, Jan 19, 2010 at 2:52 PM, Greg Stark <> wrote:
> > Barring any objections shall I commit it like this?
>
> Actually before we get there could someone who demonstrated the
> speedup verify that this patch still gets that same speedup?
At least on the three machines I tested last time the result is still in the
same ballpark.

Andres


pgsql-performance by date:

From: Greg Smith
Date:
Subject: Re: Re: Faster CREATE DATABASE by delaying fsync (was 8.4.1 ubuntu karmic slow createdb)
From: Matthew Wakeling
Date:
Subject: Re: a heavy duty operation on an "unused" table kills my server