[ceph-users] Unexplainable high memory usage OSD with BlueStore

Stefan Kooman stefan at bit.nl
Thu Nov 8 02:34:17 PST 2018


Quoting Wido den Hollander (wido at 42on.com):
> Hi,
> 
> Recently I've seen a Ceph cluster experience a few outages due to memory
> issues.
> 
> The machines:
> 
> - Intel Xeon E3 CPU
> - 32GB Memory
> - 8x 1.92TB SSD
> - Ubuntu 16.04
> - Ceph 12.2.8

What kernel version is running? What network card is being used?

We hit a mem leak bug in Intel driver (i40e) (Intel x710) which has been
fixed (mostly) in 4.13 and up [1].

Gr. Stefan

[1]: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1748408

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