> It would be good to see results from a few
> OpenSolaris users running a
> recent 64-bit kernel, and with fast storage to see if
> this is an
> OpenSolaris issue as well.
Bob,
Here's an example of an OpenSolaris machine, 2008.11 upgraded to the 117 devel
release. X4540, 32GB RAM. The file count was bumped up to 9000 to be a little
over double the RAM.
r...@deviant:~# ./zfs-cache-test.ksh gauss
System Configuration: Sun Microsystems Sun Fire X4540
System architecture: i386
System release level: 5.11 snv_117
CPU ISA list: amd64 pentium_pro+mmx pentium_pro pentium+mmx pentium i486 i386
i86
Pool configuration:
pool: gauss
state: ONLINE
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
gauss ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c4t1d0 ONLINE 0 0 0
c5t1d0 ONLINE 0 0 0
c6t1d0 ONLINE 0 0 0
c7t1d0 ONLINE 0 0 0
c8t1d0 ONLINE 0 0 0
c9t1d0 ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c4t2d0 ONLINE 0 0 0
c5t2d0 ONLINE 0 0 0
c6t2d0 ONLINE 0 0 0
c7t2d0 ONLINE 0 0 0
c8t2d0 ONLINE 0 0 0
c9t2d0 ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c4t3d0 ONLINE 0 0 0
c5t3d0 ONLINE 0 0 0
c6t3d0 ONLINE 0 0 0
c7t3d0 ONLINE 0 0 0
c8t3d0 ONLINE 0 0 0
c9t3d0 ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c4t4d0 ONLINE 0 0 0
c5t4d0 ONLINE 0 0 0
c6t4d0 ONLINE 0 0 0
c7t4d0 ONLINE 0 0 0
c8t4d0 ONLINE 0 0 0
c9t4d0 ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c4t5d0 ONLINE 0 0 0
c5t5d0 ONLINE 0 0 0
c6t5d0 ONLINE 0 0 0
c7t5d0 ONLINE 0 0 0
c8t5d0 ONLINE 0 0 0
c9t5d0 ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c4t6d0 ONLINE 0 0 0
c5t6d0 ONLINE 0 0 0
c6t6d0 ONLINE 0 0 0
c7t6d0 ONLINE 0 0 0
c8t6d0 ONLINE 0 0 0
c9t6d0 ONLINE 0 0 0
raidz2 ONLINE 0 0 0
c4t7d0 ONLINE 0 0 0
c5t7d0 ONLINE 0 0 0
c6t7d0 ONLINE 0 0 0
c7t7d0 ONLINE 0 0 0
c8t7d0 ONLINE 0 0 0
c9t7d0 ONLINE 0 0 0
errors: No known data errors
zfs create gauss/zfscachetest
Creating data file set (9000 files of 8192000 bytes) under /gauss/zfscachetest
...
Done!
zfs unmount gauss/zfscachetest
zfs mount gauss/zfscachetest
Doing initial (unmount/mount) 'cpio -C 131072 -o > /dev/null'
144000768 blocks
real 9m15.87s
user 0m5.16s
sys 1m29.32s
Doing second 'cpio -C 131072 -o > /dev/null'
144000768 blocks
real 28m57.54s
user 0m5.47s
sys 1m50.32s
Feel free to clean up with 'zfs destroy gauss/zfscachetest'.
--
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