Re: [HACKERS] Should we cacheline align PGXACT?

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Alexander Korotkov
Тема
Re: [HACKERS] Should we cacheline align PGXACT?
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Msg-id
CAPpHfdv0EaWWF=zbd7QpxogNDMX2sU4VYYEqyy2hy6gSFt_Q=g@mail.gmail.com
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Дерево обсуждения
Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: Should we cacheline align PGXACT? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we cacheline align PGXACT? Andres Freund <andres@anarazel.de>
Re: Should we cacheline align PGXACT? Craig Ringer <craig@2ndquadrant.com>
Re: Should we cacheline align PGXACT? Andres Freund <andres@anarazel.de>
Re: [HACKERS] Should we cacheline align PGXACT? Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: Should we cacheline align PGXACT? Tom Lane <tgl@sss.pgh.pa.us>
Re: Should we cacheline align PGXACT? Robert Haas <robertmhaas@gmail.com>
Re: Should we cacheline align PGXACT? Andres Freund <andres@anarazel.de>
Re: Should we cacheline align PGXACT? Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Bernd Helmle <mailings@oopsware.de>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Bernd Helmle <mailings@oopsware.de>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Simon Riggs <simon@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Simon Riggs <simon@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Simon Riggs <simon@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? David Steele <david@pgmasters.net>
Re: Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: Should we cacheline align PGXACT? Andres Freund <andres@anarazel.de>
Re: Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: Should we cacheline align PGXACT? David Steele <david@pgmasters.net>
Re: [HACKERS] Should we cacheline align PGXACT? Daniel Gustafsson <daniel@yesql.se>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Daniel Gustafsson <daniel@yesql.se>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: Should we cacheline align PGXACT? Simon Riggs <simon@2ndquadrant.com>
Re: Should we cacheline align PGXACT? "Jim Van Fleet" <vanfleet@us.ibm.com>
Re: Should we cacheline align PGXACT? Simon Riggs <simon@2ndquadrant.com>
Re: Should we cacheline align PGXACT? Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Andres Freund <andres@anarazel.de>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] Should we cacheline align PGXACT? Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Tom Lane <tgl@sss.pgh.pa.us>
Re: [HACKERS] Should we cacheline align PGXACT? Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Andres Freund <andres@anarazel.de>
Re: [HACKERS] Should we cacheline align PGXACT? Andres Freund <andres@anarazel.de>
Re: [HACKERS] Should we cacheline align PGXACT? Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Simon Riggs <simon@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Simon Riggs <simon@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Robert Haas <robertmhaas@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Simon Riggs <simon@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Alvaro Herrera <alvherre@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Ashutosh Sharma <ashu.coek88@gmail.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: [HACKERS] Should we cacheline align PGXACT? Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: [HACKERS] Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: Should we cacheline align PGXACT? Amit Kapila <amit.kapila16@gmail.com>
Re: Should we cacheline align PGXACT? Alexander Korotkov <a.korotkov@postgrespro.ru>
Re: Should we cacheline align PGXACT? Amit Kapila <amit.kapila16@gmail.com>
On Tue, Feb 21, 2017 at 2:37 PM, Andres Freund <andres@anarazel.de> wrote:
On 2017-02-21 16:57:36 +0530, Ashutosh Sharma wrote:
> Yes, there is still some regression however it has come down by a
> small margin. I am not doing initdb for each run instead I am doing,
> dropdb-->createdb-->pgbench -i. Is dropping old database and creating
> a new one for every run not okay, Do I have to do initdb every time.
> Okay, I can change the order of reading and let you know the results.

That does make a difference. Primarily because WAL writes in a new
cluster are a more expensive than in an old one, because of segment
recycling.

+1

------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company 
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