On a machine here I see top reports this with " top -CSITa -s 10"
last pid: 6680; load averages: 0.29, 0.12, 0 up 0+11:40:46
02:23:01
51 processes: 2 running, 47 sleeping, 2 waiting
CPU: 0.6% user, 0.0% nice, 0.2% system, 0.0% interrupt, 99.2% idle
Mem: 587M Active, 480G Inact, 1332K Laundry, 7410M Wired, 456M Buf, 11G Free
ARC: 3624M Total, 85M MFU, 3359M MRU, 32M Anon, 118M Header, 27M Other
2919M Compressed, 32G Uncompressed, 11.13:1 Ratio
Swap: 32G Total, 32G Free
THR USERNAME THR PRI NICE SIZE RES STATE C TIME CPU
COMMAND
100003 root 40 187 ki31 0B 640K CPU0 0 464.8H 3967.69%
[idle]
101142 root 1 48 0 1530M 574M piperd 34 0:27 24.69%
/usr/lo
100000 root 731 -16 - 0B 11M parked 18 112:10 3.14%
[kernel
102993 root 1 21 0 30M 15M select 26 0:03 2.77%
/usr/bi
Seems only 11G of memory is free ?
That seems impossible.
titan# sysctl hw.physmem
hw.physmem: 549599244288
titan#
titan#
titan# sysctl -a | grep 'free' | grep 'mem'
vm.uma.vmem.stats.frees: 0
vm.uma.vmem.keg.domain.1.free_slabs: 0
vm.uma.vmem.keg.domain.1.free_items: 0
vm.uma.vmem.keg.domain.0.free_slabs: 0
vm.uma.vmem.keg.domain.0.free_items: 0
vm.uma.vmem_btag.stats.frees: 523236
vm.uma.vmem_btag.keg.domain.1.free_slabs: 0
vm.uma.vmem_btag.keg.domain.1.free_items: 34398
vm.uma.vmem_btag.keg.domain.0.free_slabs: 0
vm.uma.vmem_btag.keg.domain.0.free_items: 34378
vm.kmem_map_free: 528152154112
kstat.zfs.misc.arcstats.memory_free_bytes: 11707904000
titan#
I have no idea what "top" is reporting but 11G free on a machine doing
nothing seems ... unlikely.
--
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Dennis Clarke
RISC-V/SPARC/PPC/ARM/CISC
UNIX and Linux spoken
