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Explain the new fields in top(1) related to ZFS compressed ARC

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Reviewed by:	bcr
X-MFC-with:	316314
Differential Revision:	https://reviews.freebsd.org/D10781
This commit is contained in:
Allan Jude 2017-05-18 12:55:07 +00:00
parent ce9600b12e
commit 49dd63a9bd
1 changed files with 17 additions and 4 deletions
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21
usr.bin/top/top.local.1
View File

@ -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 data
.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: