Re: checkpointer continuous flushing - V18

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От
Fabien COELHO
Тема
Re: checkpointer continuous flushing - V18
Дата
Msg-id
alpine.DEB.2.10.1603102344170.18837@sto
Ответ на
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Дерево обсуждения
checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V16 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V16 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V16 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V16 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V16 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V16 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V16 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V16 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V16 Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: checkpointer continuous flushing - V16 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V16 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V16 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V16 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V16 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V16 Robert Haas <robertmhaas@gmail.com>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Tom Lane <tgl@sss.pgh.pa.us>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Robert Haas <robertmhaas@gmail.com>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Robert Haas <robertmhaas@gmail.com>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Peter Geoghegan <pg@heroku.com>
Re: checkpointer continuous flushing - V18 Jeff Janes <jeff.janes@gmail.com>
Re: checkpointer continuous flushing - V18 Peter Geoghegan <pg@heroku.com>
Re: checkpointer continuous flushing - V18 Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V18 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V18 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V16 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V16 Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing - V16 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V16 Patric Bechtel <patric.bechtel@gmail.com>
Re: checkpointer continuous flushing - V16 Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing - V16 Michael Paquier <michael.paquier@gmail.com>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Tomas Vondra <tomas.vondra@2ndquadrant.com>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>
Re: checkpointer continuous flushing Amit Kapila <amit.kapila16@gmail.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Cédric Villemain <cedric@2ndQuadrant.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Heikki Linnakangas <hlinnaka@iki.fi>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Michael Paquier <michael.paquier@gmail.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <fabien.coelho@mines-paristech.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Amit Kapila <amit.kapila16@gmail.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Jim Nasby <Jim.Nasby@BlueTreble.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Amit Kapila <amit.kapila16@gmail.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Andres Freund <andres@anarazel.de>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Amit Kapila <amit.kapila16@gmail.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>
Re: checkpointer continuous flushing Amit Kapila <amit.kapila16@gmail.com>
Re: checkpointer continuous flushing Fabien COELHO <coelho@cri.ensmp.fr>

Hello Andres,

>> I'm not sure I've seen these performance... If you have hard evidence,
>> please feel free to share it.
>
> Man, are you intentionally trying to be hard to work with?

Sorry, I do not understand this remark.

You were refering to some latency measures in your answer, and I was just 
stating that I was interested in seeing these figures which were used to 
justify your choice to keep a shared writeback context.

I did not intend this wish to be an issue, I was expressing an interest.

> To quote the email you responded to:
>
>> My current plan is to commit this with the current behaviour (as in 
>> this week[end]), and then do some actual benchmarking on this specific 
>> part. It's imo a relatively minor detail.

Good.

From the evidence in the thread, I would have given the per tablespace 
context the preference, but this is just a personal opinion and I agree 
that it can work the other way around.

I look forward to see these benchmarks later on, when you have them.

So all is well, and hopefully will be even better later on.

-- 
Fabien.


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