ARC not growing, even there is plenty of freemem
(Doc ID 2328833.1)
Last updated on AUGUST 20, 2018
Applies to:Solaris Operating System - Version 10 3/05 to 10 1/13 U11 [Release 10.0]
Information in this document applies to any platform.
System is seeing very poor ZFS I/O performance.
Nothing is set in /etc/system file, like zfs_arc_max or zfs_arc_min.
Enough free memory can be seen by memstat:
Which essentially means there is 52GB of RAM which is unusable, even ZFS ARC tries to stay above swapfs_minfree
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