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Hello,
We have a server with a couple a raid-z2 pools, each with 23x1TB disks. This
gives us 19TB of useable space on each pool. The server has 2 x quad core cpu,
16GB RAM and are running b117. Average load is 4 and we use a log ot CIFS.
We notice ZFS is slow. Even a simple 'ls -al' can take 20sec. After trying
again, it's cached and therefore quick. We also noticed 'ls' is relatively
quick (~3secs).
How can I improve the response time?
How do I determine how much memory I need for ZFS caching?
Here are some stats:
> ::arc
hits = 44025797
misses = 8452650
[..]
p = 10646 MB
c = 11712 MB
c_min = 1918 MB
c_max = 15350 MB
size = 11712 MB
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