Chookiex wrote:
Hi all.
Because the property compression could decrease the file size, and the
file IO will be decreased also.
So, would it increase the ZFS I/O throughput with compression?
for example:
I turn on gzip-9，on a server with 2*4core Xeon, 8GB RAM.
It could compress my files with compressratio 2.5x+. could it be?
or I turn on lzjb, about 1.5x with the same files.
It's possible, but it depends on a lot of factors, including what your
bottleneck is to begin with, how compressible your data is, and how hard
you want the system to work compressing it. With gzip-9, I'd be shocked
if you saw bandwidth improved. It seems more common with lzjb:
http://blogs.sun.com/dap/entry/zfs_compression
(skip down to the results)
-- Dave
could it be? Is there anyone have a idea?
thanks
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David Pacheco, Sun Microsystems Fishworks. http://blogs.sun.com/dap/
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