Date: Thu, 05 Oct 2006 12:13:58 -0700 From: Paul Lathrop <plathrop@squaretrade.com> To: Chuck Swiger <cswiger@mac.com> Cc: freebsd-questions@freebsd.org Subject: Re: PAE tuning Message-ID: <45255976.10903@squaretrade.com> In-Reply-To: <CC3AFB13-8FD9-44AB-A4FB-01F898B491C0@mac.com> References: <45254F1D.5000106@squaretrade.com> <CC3AFB13-8FD9-44AB-A4FB-01F898B491C0@mac.com>
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[-- Attachment #1 --] Chuck Swiger wrote: > On Oct 5, 2006, at 11:29 AM, Paul Lathrop wrote: >> That's really good to know. Unfortunately, nobody seems to have written >> down WHICH tunables need to be adjusted besides the one mentioned above, >> nor is there any information on what "reasonable value" means! >> >> Can anyone point me at a resource for more information on this? > > You're supposed to tune the appropriate values considering the workload > the machine is going to handle. "man tuning" has some additional > information, but without describing what kind of tasks you plan to do > with this machine with 14GB of RAM, nobody is going to be able to > provide you with really specific advice... Good point. :-) I intend to deploy this system as a database server running Postgresql 8.1. The database is huge (30-40Gb) and can easily grow (it has gone as high as 100Gb). I expect as many as 1000 concurrent database connections now, and a potential need for scaling this up later. I'm aware of the SystemV memory tuning issues related to running Postgres on FreeBSD and I'll address those as soon as I can get the system to see the RAM. I tried just installing the stock PAE kernel, but the system still doesn't even acknowledge the RAM above 4Gb. Is this because I have not yet performed the tuning? Thanks for your help! --Paul [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFJVl3X6ecHn3cW4kRAmt2AJ95RELX59jhyeHu669fDfDHA77BVgCfUJ1l Pu6dk6AXVsEKdJhD4J/3LAI= =9T3Q -----END PGP SIGNATURE-----home | help
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