> > Can you gather some ZFS IO statistics, like
> > "fsstat zfs 1" for a minute or so.
Here is a snapshot from when it is exhibiting the behavior:
new name name attr attr lookup rddir read read write write
file remov chng get set ops ops ops bytes ops bytes
0 0 0 75 0 0 0 0 0 10 1.25M zfs
0 0 0 83 0 0 0 0 0 7 896K zfs
0 0 0 78 0 0 0 0 0 13 1.62M zfs
0 0 0 229 0 0 0 0 0 29 3.62M zfs
0 0 0 217 0 0 0 0 0 28 3.37M zfs
0 0 0 212 0 0 0 0 0 26 3.03M zfs
0 0 0 151 0 0 0 0 0 18 2.07M zfs
0 0 0 184 0 0 0 0 0 31 3.41M zfs
0 0 0 187 0 0 0 0 0 32 2.74M zfs
0 0 0 219 0 0 0 0 0 24 2.61M zfs
0 0 0 222 0 0 0 0 0 29 3.29M zfs
0 0 0 206 0 0 0 0 0 29 3.26M zfs
0 0 0 205 0 0 0 0 0 19 2.26M zfs
Unless attr_get is ludicrously costly, I can't see any issues...?
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