I wrote
Instead of compiling opensolaris for 4-6 hours, I've now used
the following find / grep test using on-2007-05-30 sources:
1st test using Nevada build 60:
% cd /files/onnv-2007-05-30
% repeat 10 /bin/time find usr/src/ -name *.[hc] -exec grep FooBar {} +
This find + grep command
I wrote
Has anyone else noticed a significant zfs performance
deterioration when running recent opensolaris bits?
My 32-bit / 768 MB Toshiba Tecra S1 notebook was able
to do a full opensolaris release build in ~ 4 hours 45
minutes (gcc shadow compilation disabled; using an lzjb
compressed
Patching zfs_prefetch_disable = 1 has helped
It's my belief this mainly aids scanning metadata. my
testing with rsync and yours with find (and seen with
du ; zpool iostat -v 1 ) pans this out..
mainly tracked in bug 6437054 vdev_cache: wise up or die
