docker metric

meminfo 의 경우는 host 의 메모리 정보를 보여준다. 도커의 정보를 보려면.

root@agent-02:/proc# cat meminfo
MemTotal:        2047036 kB
MemFree:           71832 kB
MemAvailable:      22512 kB
Buffers:            2008 kB
Cached:            57652 kB
SwapCached:        42740 kB
Active:          1324424 kB
Inactive:         519380 kB
Active(anon):    1309528 kB
Inactive(anon):   503648 kB
Active(file):      14896 kB
Inactive(file):    15732 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:       1048572 kB
SwapFree:              0 kB
Dirty:               120 kB
Writeback:             0 kB
AnonPages:       1782028 kB
Mapped:            44916 kB
Shmem:             28932 kB
Slab:              61800 kB
SReclaimable:      21252 kB
SUnreclaim:        40548 kB
KernelStack:       11168 kB
PageTables:        37484 kB
NFS_Unstable:          0 kB
Bounce:                0 kB
WritebackTmp:          0 kB
CommitLimit:     2072088 kB
Committed_AS:    4110204 kB
VmallocTotal:   34359738367 kB
VmallocUsed:           0 kB
VmallocChunk:          0 kB
AnonHugePages:     12288 kB
ShmemHugePages:        0 kB
ShmemPmdMapped:        0 kB
HugePages_Total:       0
HugePages_Free:        0
HugePages_Rsvd:        0
HugePages_Surp:        0
Hugepagesize:       2048 kB
DirectMap4k:      143360 kB
DirectMap2M:     1953792 kB
DirectMap1G:     3145728 kB

/sys/fs/cgroup/

메모리 정보 memory.stat

root@agent-02:/sys/fs/cgroup/memory# cat memory.stat
cache 3633152
rss 1798144
rss_huge 0
mapped_file 2203648
dirty 86016
writeback 0
swap 3850240
pgpgin 92991839
pgpgout 92990513
pgfault 160045620
pgmajfault 1245564
inactive_anon 1159168
active_anon 851968
inactive_file 1720320
active_file 1617920
unevictable 0
hierarchical_memory_limit 9223372036854771712
hierarchical_memsw_limit 9223372036854771712
total_cache 3633152
total_rss 1798144
total_rss_huge 0
total_mapped_file 2203648
total_dirty 86016
total_writeback 0
total_swap 3850240
total_pgpgin 92991839
total_pgpgout 92990513
total_pgfault 160045620
total_pgmajfault 1245564
total_inactive_anon 1159168
total_active_anon 851968
total_inactive_file 1720320
total_active_file 1617920
total_unevictable 0