Hi again,
I forgot to mention, that adding more disks to mirror did not improve
the performance at all. The only think which achieved better performance
was running more threads with testing code. But still, running 20 times
'tar cf - /tank/dir/[a-t] > /dev/null' gave only 30MBps top (measured
via zpool iostat).
I suspect connection between this and size of blocks or something
similar, but this is beyond me.
Thank you.
Jozef Hamar
Jozef Hamar wrote:
Hi there,
as newbie to Solaris and ZFS, I am testing the performance and so far
I am very satisfied. Except copying huge amount of small files.
Copying e.g. Linux kernel (350MB, 30 000 files) achieves poor 10MBps.
Used configurations included zpool of one up to five physical drive(s)
in stripe, mirror, raidz, raidz2 (raidz and raidz2 gave even worse
performace).
Am I doing something wrong, or is this default behavior? Can I achieve
better performance witch some ZFS tuning?
Thank you,
Jozef Hamar
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