Hello, I'm wondering if somebody can kindly direct me to a sort of newbie way of assessing whether my ZFS pool performance is a bottleneck that can be improved upon, and/or whether I ought to invest in a SSD ZIL mirrored pair? I'm a little confused by what the output of iostat, fsstat, the zilstat script, and other diagnostic tools illuminates, and I'm definitely not completely confident with what I think I do understand. I'd like to sort of start over from square one with my understanding of all of this.
So, instead of my posting a bunch of numbers, could you please help me with some basic tactics and techniques for making these assessments? I have some reason to believe that there are some performance problems, as the loads on the machine writing to these ZFS NFS shares can get pretty high during heavy writing of small files. Throw in the ZFS queue parameters in addition to all of these others numbers and variables and I'm a little confused as to where best to start. It is also a possibility that the ZFS server is not the bottleneck here, but I would love it if I can feel a little more confident in my assessments. Thanks for your help! I expect that this conversation will get pretty technical and that's cool (that's what I want too), but hopefully this is enough to get the ball rolling! -- This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
