Thread: The sizing of HW resources of a physical PG server
Hi !
How to size a physical PG server?
What does a physical PG server like concerning HW resources?
number of cpu's(cache L1 expensive I think, L2 and L3), RAM?
Thanks
Poul
On Tue, Sep 13, 2016 at 01:25:21PM +0200, Poul Kristensen wrote: > Hi ! > > How to size a physical PG server? > > What does a physical PG server like concerning HW resources? > number of cpu's(cache L1 expensive I think, L2 and L3), RAM? you have to know/understand how large your database, and its active set will be, and how many queries you need to run concurrently/per-second. once you have this information - you can establish some minimums. Best regards, depesz -- The best thing about modern society is how easy it is to avoid contact with it. http://depesz.com/
>How to size a physical PG server?
Some things I hope you will find useful :
Best,
Imre
2016-09-13 13:25 GMT+02:00 Poul Kristensen <bcc5226@gmail.com>:
Hi !How to size a physical PG server?What does a physical PG server like concerning HW resources?number of cpu's(cache L1 expensive I think, L2 and L3), RAM?ThanksPoul
On Tue, 13 Sep 2016 13:25:21 +0200 Poul Kristensen <bcc5226@gmail.com> wrote: > Hi ! > > How to size a physical PG server? > > What does a physical PG server like concerning HW resources? > number of cpu's(cache L1 expensive I think, L2 and L3), RAM? a) Amount of data b) Type of data (text (books), numeric (business data), real (scientific data), ...) c) Relationship between data d) Type of queries (OLTP/OLAP//Graph/... or Read vs Write or...) Too much to answer in a mail. Check docs and manual > Thanks > > Poul --- --- Eduardo Morras <emorrasg@yahoo.es>
Thanks a lot Imre !
Very usefull !
br,
Poul
2016-09-13 14:03 GMT+02:00 Imre Samu <pella.samu@gmail.com>:
>How to size a physical PG server?Some things I hope you will find useful :Best,Imre2016-09-13 13:25 GMT+02:00 Poul Kristensen <bcc5226@gmail.com>:Hi !How to size a physical PG server?What does a physical PG server like concerning HW resources?number of cpu's(cache L1 expensive I think, L2 and L3), RAM?ThanksPoul
Med venlig hilsen / Best regards
Poul Kristensen
Linux-OS/Virtualizationexpert and Oracle DBA
Poul Kristensen
Linux-OS/Virtualizationexpert and Oracle DBA
one more :
The video version of Bruce Momjian "Database Hardware Selection Guidelines" [1] can be see on the youtube:
"Database Hardware Selection Guidelines - Bruce Momjian" ( Postgres Open 2015)
https://www.youtube.com/watch?v=qIlYZeSuv8w ( 50min )
other : https://www.youtube.com/results?search_query=BRUCE+MOMJIAN+hardwarehttps://www.youtube.com/watch?v=qIlYZeSuv8w ( 50min )
[1] https://momjian.us/main/writings/pgsql/hw_selection.pdf
2016-09-13 15:18 GMT+02:00 Poul Kristensen <bcc5226@gmail.com>:
Thanks a lot Imre !Very usefull !br,Poul--2016-09-13 14:03 GMT+02:00 Imre Samu <pella.samu@gmail.com>:>How to size a physical PG server?Some things I hope you will find useful :Best,Imre2016-09-13 13:25 GMT+02:00 Poul Kristensen <bcc5226@gmail.com>:Hi !How to size a physical PG server?What does a physical PG server like concerning HW resources?number of cpu's(cache L1 expensive I think, L2 and L3), RAM?ThanksPoulMed venlig hilsen / Best regards
Poul Kristensen
Linux-OS/Virtualizationexpert and Oracle DBA