Re: Hugepages - benefits / drawbacks
From: Yong Huang <yong321_at_yahoo.com>
Date: Tue, 7 Oct 2008 10:26:29 -0700 (PDT)
Message-ID: <391639.22535.qm@web80603.mail.mud.yahoo.com>
Date: Tue, 7 Oct 2008 10:26:29 -0700 (PDT)
Message-ID: <391639.22535.qm@web80603.mail.mud.yahoo.com>
Hi Krishna,
> on Solaris PGA uses ISM
Wouldn't that cause PGA to be shared?
> 4. The formula you want to use
>
> Physical Memory > shmall > (shmmax = nr_hugepages)
I think the shmmax part can be relaxed. It's just a mathematical limit anyway. Setting it to a very high number does no harm.
Other points are excellent.
Yong Huang
-- http://www.freelists.org/webpage/oracle-lReceived on Tue Oct 07 2008 - 12:26:29 CDT