On Feb 5, 2008 9:52 PM, William Fretts-Saxton <[EMAIL PROTECTED]> wrote:
> This may not be a ZFS issue, so please bear with me! > > I have 4 internal drives that I have striped/mirrored with ZFS and have an > application server which is reading/writing to hundreds of thousands of > files on it, thousands of files @ a time. > > If 1 client uses the app server, the transaction (reading/writing to ~80 > files) takes about 200 ms. If I have about 80 clients attempting it @ once, > it can sometimes take a minute or more. I'm pretty sure its a file I/O > bottleneck so I want to make sure ZFS is tuned properly for this kind of > usage. > > The only thing I could think of, so far, is to turn off ZFS compression. > Is there anything else I can do? Here is my "zpool iostat" output: > > Hi William To improve performance, consider turning off atime, assuming you don't need it... # zfs set atime=off POOL/filesystem _J
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