Hello folks,
I used xfs file system in kernel-2.6.32-220.13.1.el6.x86_64 for store
pictures. About 100 days system memorys is lost and some nginx process is
killed by oom-killer.So,I looked /proc/meminfo and find memorys is
lost.Finally, I try to umount xfs system and 10GB memorys is coming back. l
look xfs bugzilla no such BUG.I have no idea for it.
Cheers,
Guochao.
some memorys info:
0> free -m
total used free shared buffers cached
Mem: 11887 11668 219 0 0 2
-/+ buffers/cache: 11665 222
Swap: 0 0 0
130> cat /proc/meminfo
MemTotal: 12173268 kB
MemFree: 223044 kB
Buffers: 244 kB
Cached: 4540 kB
SwapCached: 0 kB
Active: 1700 kB
Inactive: 5312 kB
Active(anon): 1616 kB
Inactive(anon): 1128 kB
Active(file): 84 kB
Inactive(file): 4184 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 0 kB
SwapFree: 0 kB
Dirty: 0 kB
Writeback: 0 kB
AnonPages: 2556 kB
Mapped: 1088 kB
Shmem: 196 kB
Slab: 509708 kB
SReclaimable: 7596 kB
SUnreclaim: 502112 kB
KernelStack: 1096 kB
PageTables: 748 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 6086632 kB
Committed_AS: 9440 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 303488 kB
VmallocChunk: 34359426132 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 6152 kB
DirectMap2M: 2070528 kB
DirectMap1G: 10485760 kB
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