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Greetings,
I can't seem to find an answer to this issue anywhere.
A box running a 2.4.21 smp kernel is holding 2G of ram in the system
cache, despite being heavily into swap:
~ total: used: free: shared: buffers: cached:
Mem: 4224462848 4206002176 18460672 0 41304064 2938032128
Swap: 2146754560 1073373184 1073381376
MemTotal: 4125452 kB
MemFree: 18028 kB
MemShared: 0 kB
Buffers: 40336 kB
Cached: 2095616 kB <---- 2G disk cache
SwapCached: 773556 kB
Active: 3186300 kB
ActiveAnon: 1707252 kB
ActiveCache: 1479048 kB
Inact_dirty: 607944 kB
Inact_laundry: 117300 kB
Inact_clean: 65180 kB
Inact_target: 795344 kB
HighTotal: 3276224 kB
HighFree: 1200 kB
LowTotal: 849228 kB
LowFree: 16828 kB
SwapTotal: 2096440 kB <-- 1G swap usage
SwapFree: 1048224 kB
HugePages_Total: 0
HugePages_Free: 0
Hugepagesize: 2048 kB
Why is this memoy being held in the disk cache? Is this perhaps an NFS
issue?
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