Hi All Is there perhaps any updated documentation about ceph OSD node optimised sysctl configuration? I'm seeing a lot of these: $ netstat -s ... 4955341 packets pruned from receive queue because of socket buffer overrun ... 5866 times the listen queue of a socket overflowed ... TCPBacklogDrop: 14601 OS: Ubuntu 16 HWE Ceph Luminous : 12.2.13 Ceph-ansible: 3.2.20 + containerised Thanks in advance. -- *Jeremi-Ernst Avenant, Mr.* Inter-University Institute for Data Intensive Astronomy 5th Floor, Department of Physics and Astronomy, University of Cape Town Tel: 021 959 4137 <0219592327> Web: www.idia.ac.za <http://www.uwc.ac.za/> E-mail (IDIA): jeremi@idia.ac.za <mfundo@idia.ac.za> Rondebosch, Cape Town, 7600, South Africa