On Sat, 1 Dec 2012, Fung Zheng wrote:
Hello,
Thanks for you reply, i forgot to mention that the doc "Configuring ZFS for an
Oracle Database" was followed, this
include primarycache, logbias, recordsize properties, all the best practices
was followed and my only doubt is the
arc_max parameter, i want to know if 24Gb is good enough for a 6Tb database,
someone have had implemented something
similar? which was the value used for arc_max?
As I recall, you can tune zfs_arc_max while the system is running so
you can easily adjust this while your database is running and observe
behavior and without rebooting. It is possible that my recollection
is wrong though. If my recollection is correct, then it is not so
important to know what is "good enough" before starting to put your
database in service.
Bob
--
Bob Friesenhahn
bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer, http://www.GraphicsMagick.org/
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