Author: allanjude
Date: Thu May 18 12:55:07 2017
New Revision: 318448
URL: https://svnweb.freebsd.org/changeset/base/318448

Log:
  Explain the new fields in top(1) related to ZFS compressed ARC
  
  Reviewed by:  bcr
  X-MFC-with:   316314
  Differential Revision:        https://reviews.freebsd.org/D10781

Modified:
  head/usr.bin/top/top.local.1

Modified: head/usr.bin/top/top.local.1
==============================================================================
--- head/usr.bin/top/top.local.1        Thu May 18 12:27:41 2017        
(r318447)
+++ head/usr.bin/top/top.local.1        Thu May 18 12:55:07 2017        
(r318448)
@@ -2,9 +2,10 @@
 .SH "FreeBSD NOTES"
 
 .SH DESCRIPTION OF MEMORY
-Mem: 9220K Active, 1M Inact, 1M Laundry, 3284K Wired, 2M Buf, 932K Free
-ARC: 2048K Total, 342K MRU, 760K MFU, 272K Anon, 96K Header, 442K Other
-Swap: 91M Total, 79M Free, 13% Inuse, 80K In, 104K Out
+Mem: 61M Active, 86M Inact, 368K Laundry, 22G Wired, 102G Free
+ARC: 15G Total, 9303M MFU, 6155M MRU, 1464K Anon, 98M Header, 35M Other
+     15G Compressed, 27G Uncompressed, 1.75:1 Ratio, 174M Overhead
+Swap: 4096M Total, 532M Free, 13% Inuse, 80K In, 104K Out
 .TP
 .B K:
 Kilobyte
@@ -54,8 +55,20 @@ number of ARC bytes holding in flight da
 .B Header:
 number of ARC bytes holding headers
 .TP
-.B Other
+.B Other:
 miscellaneous ARC bytes
+.TP
+.B Compressed:
+bytes of memory used by ARC caches
+.TP
+.B Uncompressed:
+bytes of data stored in ARC caches before compression
+.TP
+.B Ratio:
+ratio of uncompressed data to total ARC size
+.TP
+.B Overhead:
+amount of overhead from ARC compression
 .SS Swap Stats
 .TP
 .B Total:
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