| From: | John R Pierce <pierce(at)hogranch(dot)com> |
|---|---|
| To: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: PosttgreSQL on AIX |
| Date: | 2010-06-02 02:09:26 |
| Message-ID: | 4C05BD56.7060407@hogranch.com |
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| Lists: | pgsql-general |
Ernesto Quiñones wrote:
> How many concurrence can support a server with 4 PPC Power 6 and 16GB RAM??!!
>
> I was thinking install the load balancing in this machine but maybe I
> could run PostgreSQL in this machine without problems for my
> concurrence
>
Power 6 and Powerpc are two completely different chips, albeit with the
same basic instruction set.
PowerPC are typically used in blades, while the Power 6 and 7 are used
in systems like Power 520, 550, 750, etc.
the number of concurrent accesses a server can handle is heavily
dependent on
A) the nature of the query workload
B) the speed of the IO system, especially committed random writes/second
IBM will often loan hardware for performance testing.
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