Symptom

A Nexus 3K reports high memory utilization. The top offender is the Cached memory and the Inactive memory is a large number: `show system internal kernel meminfo` MemTotal: 16401416 kB MemFree: 1329972 kB Buffers: 206996 kB Cached: 12277128 kB <<< Offender SwapCached: 0 kB Active: 2019888 kB Inactive: 12093136 kB <<< Large inactive memory Active(anon): 1809740 kB Inactive(anon): 1224704 kB Active(file): 210148 kB Inactive(file): 10868432 kB

Conditions

The NXOS version is affected at Linux Kernel level, this applies to all the devices that run the affected version.

Workaround

Reload the device on a maintenance window to release the memory, the issue will re-occur but the memory can be controlled that way and a major outage prevented before the memory is depleted.

Further Problem Description