Comment 5 for bug 1666260

I think this is currently in the middle of happening right now on one of the servers running 4.4.0-63.

SReclaimable is down from 15GB to 5GB, and Buffers is has been slowly rising over the last hour from 12GB to approaching 25GB.

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# cat /proc/meminfo
MemTotal: 32856000 kB
MemFree: 1331808 kB
MemAvailable: 30994136 kB
Buffers: 24951992 kB
Cached: 388368 kB
SwapCached: 188 kB
Active: 22271936 kB
Inactive: 4383080 kB
Active(anon): 786576 kB
Inactive(anon): 534244 kB
Active(file): 21485360 kB
Inactive(file): 3848836 kB
Unevictable: 32 kB
Mlocked: 32 kB
SwapTotal: 33553332 kB
SwapFree: 33552460 kB
Dirty: 2048 kB
Writeback: 0 kB
AnonPages: 1314500 kB
Mapped: 42820 kB
Shmem: 6164 kB
Slab: 4765816 kB
SReclaimable: 4730460 kB
SUnreclaim: 35356 kB
KernelStack: 4512 kB
PageTables: 10164 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 49981332 kB
Committed_AS: 1352800 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 0 kB
VmallocChunk: 0 kB
HardwareCorrupted: 0 kB
AnonHugePages: 856064 kB
CmaTotal: 0 kB
CmaFree: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 188008 kB
DirectMap2M: 33275904 kB
---