homerun wrote:
Hi
Just playing around with zfs , trying to locate DBMS data files to zpool.
DBMS i mean here are oracle and informix.
currently noticed that read operations perfomance is excelent but all write
operations are not and also write operations performance variates a lot.
My quess for not so good write performance and write performance variation is
double buffering , DBMS buffers and zfs caching. together.
Have anyone seen or tested "best practices" how should DBMS setup be
implemented using zpool ; zfs or zvol.
Neel has spent some time on this topic. I'd start with his blog.
http://blogs.sun.com/realneel
Additional blogs to check are Roch's and Bob Sneed, for discussions
on caching and direct I/O.
http://blogs.sun.com/roch
http://blogs.sun.com/bobs
We've been trying to collect the wisdom onto one site, but it is
getting a little crowded and therefore tends to be terse.
The blogs explain the concepts in more detail, and more conversationally.
http://www.solarisinternals.com/wiki/index.php/ZFS_Best_Practices_Guide
-- richard
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