Re: Hardware suggestions for Linux/PGSQL server - Mailing list pgsql-performance

From Jeff Bohmer
Subject Re: Hardware suggestions for Linux/PGSQL server
Date
Msg-id p04330100bbffb1769b41@[192.168.1.201]
Whole thread Raw
In response to Re: Hardware suggestions for Linux/PGSQL server  (William Yu <wyu@talisys.com>)
List pgsql-performance
>Shridhar Daithankar wrote:
>>
>>FWIW, there are only two pieces of software that need 64bit aware
>>for a typical server job. Kernel and glibc. Rest of the apps can do
>>fine as 32 bits unless you are oracle and insist on outsmarting OS.
>>
>>In fact running 32 bit apps on 64 bit OS has plenty of advantages
>>like effectively using the cache. Unless you need 64bit, going for
>>64bit software is not advised.
>
>This is a good point. While doing research on this matter a few
>months back, I saw comments by people testing 64-bit MySQL that some
>operations would run faster and some slower due to the use of 64-bit
>datatypes versus 32-bit. The best solution in the end is probably to
>run 32-bit Postgres under a 64-bit kernel -- unless your DB tends to
>have a lot of 64-bit datatypes.


Thanks Shridhar and William,

This advice has been very helpful.  I would imagine a lot of folks
are, or will soon be looking at 32- vs. 64-bit just for memory
reasons and not 64-bit apps.

- Jeff
--

Jeff Bohmer
VisionLink, Inc.
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