Adam Leventhal wrote:
The in-kernel version is zlib is the latest version (1.2.3). It's not
surprising that we're spending all of our time in zlib if the machine is
being driving by I/O. There are outstanding problems with compression in
the ZIO pipeline that may contribute to the bursty behavior.
Can you give some more info on what these problems are.
I'm specifically interested in wither or not crypto will end up with
similar issues. Also because of the special nature of compression in
the ZIO pipeline I had make a small modification[1] the compress part of
the pipeline for crypto to run for the write stages.
[1] see:
http://src.opensolaris.org/source/xref/zfs-crypto/zfs-crypto-gate/usr/src/uts/common/fs/zfs/zio.c#1053
--
Darren J Moffat
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