Thank you for sharing this information.
We discovered this issue following this tech note and applied the fix.
We discovered that our 75% of our memory is grabbed by ZFS file data.
32GB RAM in server
EMEA::: echo ::memstat | mdb -k
Page Summary Pages MB %Tot
------------ ---------------- ---------------- ----
Kernel 383910 2999 9%
ZFS File Data 3059244 23900 75%
Anon 122603 957 3%
Exec and libs 43187 337 1%
Page cache 52134 407 1%
Free (cachelist) 223203 1743 5%
Free (freelist) 217671 1700 5%
Total 4101952 32046
Physical 4096473 32003
Since applying the fix this has now drop to 4% usage.
Thank you !
