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This article mainly introduces how to configure cgroup in ceph, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

Node cpu and memory node view

Prepare to edit the configuration file / etc/cgconfig.conf Note the mon and osd sections are added according to the actual situation as follows

Mount {cpu = / sys/fs/cgroup/cpu; cpuacct = / sys/fs/cgroup/cpuacct; cpuset = / sys/fs/cgroup/cpu; devices = / sys/fs/cgroup/devices; memory = / sys/fs/cgroup/memory; freezer = / sys/fs/cgroup/freezer;} group mon {perm {task {uid = root Gid = root;} admin {uid = root; gid = root;}} cpu {cpuset.cpus = 0; cpuset.mems = 0 } memory {memory.limit_in_bytes = 2g; memory.memsw.limit_in_bytes = 3G; memory.soft_limit_in_bytes = 1g; memory.swappiness = 0; memory.oom_control = 1; memory.failcnt = 1 }} group osd0 {perm {task {uid = root; gid = root;} admin {uid = root; gid = root }} cpu {cpuset.cpus = 1; # bind to the specified cpu cpuset.mems = 0 memory.limit_in_bytes 1;} memory {memory.limit_in_bytes = 2g; # physical memory is limited to 2G memory.memsw.limit_in_bytes = 3G # swap virtual memory is limited to 3G memory.soft_limit_in_bytes = 1g; # memory recycling will be triggered when physical memory achievement 1G is memory.swappiness = 0; # physical memory will be preferred memory.oom_control = 1; # when the memory reaches the upper limit, the process will not be closed, only the corresponding process will enter the sleep state memory.failcnt = 1 # report the number of times memory reaches memory.limit_in_bytes}}

Modify service configuration file osd service configuration modification / etc/init/ceph-osd.conf configuration is as follows

Mon service configuration modification / etc/init/ceph-mon.conf configuration is as follows

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