Solaris 11.1 memstat can show huge ZFS File Data (Doc ID 1923959.1)

Last updated on JULY 29, 2016

Applies to:

Solaris Operating System - Version 11.1 and later
Oracle Solaris on x86-64 (64-bit)
Oracle Solaris on SPARC (64-bit)

Symptoms

Solaris 11.1 memstat can show ZFS File Data usage that is a few times larger than the actual ARC usage.

In this example, total zfs_file_data_buf is only about 30 GB but memstat is showing 168 GB of ZFS File Data

 

Changes

 

Cause

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