ZFS

ZFS Database Recommendations

To see transfer rates on a disk, run zpool as follows. The last column shows per-second data written:
$ /usr/sbin/zpool iostat foo 5 5555555 capacity operations bandwidth pool used avail read write read write ---------- ----- ----- ----- ----- ----- ----- foo 45.2G 1.31T 0 0 113K 50.9K
foo         45.2G  1.31T      0    127      0  13.8M
foo         45.3G  1.31T      0    130      0  14.2M
foo         45.4G  1.31T      0    123      0  13.6M
foo         45.5G  1.31T      0    134      0  14.9M
foo         45.5G  1.31T      0    139      0  14.4M

To see ZFS properties, like recordsize:

$ /usr/sbin/zfs get recordsize zfs-dataPROD1 NAME PROPERTY VALUE SOURCE zfs-dataPROD1 recordsize 16K local $ /usr/sbin/zfs get recordsize zfs-data NAME PROPERTY VALUE SOURCE zfs-data recordsize 128K default
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