49dd63a9bd
Reviewed by: bcr X-MFC-with: 316314 Differential Revision: https://reviews.freebsd.org/D10781
88 lines
1.6 KiB
Groff
88 lines
1.6 KiB
Groff
.\" $FreeBSD$
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.SH "FreeBSD NOTES"
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.SH DESCRIPTION OF MEMORY
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Mem: 61M Active, 86M Inact, 368K Laundry, 22G Wired, 102G Free
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ARC: 15G Total, 9303M MFU, 6155M MRU, 1464K Anon, 98M Header, 35M Other
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15G Compressed, 27G Uncompressed, 1.75:1 Ratio, 174M Overhead
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Swap: 4096M Total, 532M Free, 13% Inuse, 80K In, 104K Out
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.TP
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.B K:
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Kilobyte
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.TP
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.B M:
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Megabyte
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.TP
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.B G:
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Gigabyte
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.TP
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.B %:
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1/100
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.SS Physical Memory Stats
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.TP
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.B Active:
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number of bytes active
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.TP
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.B Inact:
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number of clean bytes inactive
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.TP
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.B Laundry:
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number of dirty bytes queued for laundering
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.TP
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.B Wired:
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number of bytes wired down, including BIO-level cached file data pages
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.TP
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.B Buf:
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number of bytes used for BIO-level disk caching
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.TP
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.B Free:
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number of bytes free
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.SS ZFS ARC Stats
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These stats are only displayed when the ARC is in use.
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.TP
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.B Total:
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number of wired bytes used for the ZFS ARC
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.TP
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.B MRU:
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number of ARC bytes holding most recently used data
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.TP
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.B MFU:
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number of ARC bytes holding most frequently used data
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.TP
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.B Anon:
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number of ARC bytes holding in flight data
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.TP
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.B Header:
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number of ARC bytes holding headers
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.TP
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.B Other:
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miscellaneous ARC bytes
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.TP
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.B Compressed:
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bytes of memory used by ARC caches
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.TP
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.B Uncompressed:
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bytes of data stored in ARC caches before compression
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.TP
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.B Ratio:
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ratio of uncompressed data to total ARC size
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.TP
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.B Overhead:
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amount of overhead from ARC compression
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.SS Swap Stats
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.TP
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.B Total:
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total available swap usage
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.TP
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.B Free:
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total free swap usage
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.TP
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.B Inuse:
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swap usage
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.TP
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.B In:
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bytes paged in from swap devices (last interval)
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.TP
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.B Out:
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bytes paged out to swap devices (last interval)
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