Re: High-volume shop uses PostgreSQL
От | Ron Johnson |
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Тема | Re: High-volume shop uses PostgreSQL |
Дата | |
Msg-id | 1063856682.11739.1572.camel@haggis обсуждение исходный текст |
Ответ на | Re: High-volume shop uses PostgreSQL (Ben <bench@silentmedia.com>) |
Ответы |
Re: High-volume shop uses PostgreSQL
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Список | pgsql-general |
On Wed, 2003-09-17 at 17:50, Ben wrote: > high: mainframe > wide: web server farm These explanations are too limiting. vertical: large box that can hold lots of CPUs that all the same instance of the same OS. IBM (mainframe and Power), Sun, HP (PA-RISC, Alpha) & SGI all offer these systems, and they cost a lot. horizontal: distributed systems (SETI@Home is the classic example or clusters (of the VMS [and Oracle 9i RAC] or Beowulf variety). PostgreSQL does not do horizontal scaling at all, since the postmaster can only run on 1 CPU, but it's good at vertical scaling, since it can make use of all of the CPUs in a box. (Well, there's sure to be a point at which there is so much activity that the postmaster can't handle it all...) > On Wed, 17 Sep 2003, Andrew L. Gould wrote: > > > On Wednesday 17 September 2003 04:56 pm, Ron Johnson wrote: > > > http://www.computerworld.com.au/index.php?id=1482975508&fp=16&fpid=0 > > > > I do not understand what people mean when they differentiate between scaling > > vertically versus scaling horizontally. > > > > Would someone provide a brief explanation? -- ----------------------------------------------------------------- Ron Johnson, Jr. ron.l.johnson@cox.net Jefferson, LA USA "Fair is where you take your cows to be judged." Unknown
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