Cgroups: Unterschied zwischen den Versionen

@@ Zeile 1: / Zeile 1: @@
-=Install=
+*[[Was sind cgroups?]]
-*apt-get install cgroup-bin cgroup-lite cgroup-tools cgroupfs-mount libcgroup1
+*[[cgroups Handling]]
-=Create=
-*cat /etc/cgconfig.conf
-<pre>
-Ist bei Ubuntu leer
-</pre>
-=Kontrolle=
-*lssubsys -am
-<pre>
-cpuset /sys/fs/cgroup/cpuset
-cpu,cpuacct /sys/fs/cgroup/cpu,cpuacct
-blkio /sys/fs/cgroup/blkio
-memory /sys/fs/cgroup/memory
-devices /sys/fs/cgroup/devices
-freezer /sys/fs/cgroup/freezer
-net_cls,net_prio /sys/fs/cgroup/net_cls,net_prio
-perf_event /sys/fs/cgroup/perf_event
-hugetlb /sys/fs/cgroup/hugetlb
-pids /sys/fs/cgroup/pids
-</pre>
-=Anlegen einer Control Group=
-*cgcreate -g blkio:/mygroup
-=Checken=
-*lscgroup | grep blkio:/dd
- blkio:/dd
-=Welche Parameter sind Subsystem Block-I/O vorhanden=
-*cgget -g blkio  /mygroup
-<pre>
-/mygroup:
-blkio.throttle.io_serviced: Total 0
-blkio.io_service_bytes_recursive: Total 0
-blkio.io_serviced_recursive: Total 0
-blkio.time:
-blkio.io_serviced: Total 0
-blkio.reset_stats:
-blkio.io_wait_time: Total 0
-blkio.weight: 500
-blkio.leaf_weight_device:
-blkio.throttle.read_iops_device:
-blkio.io_merged_recursive: Total 0
-blkio.throttle.write_bps_device:
-blkio.leaf_weight: 500
-blkio.sectors_recursive:
-blkio.weight_device:
-blkio.io_service_time_recursive: Total 0
-blkio.throttle.write_iops_device:
-blkio.throttle.io_service_bytes: Total 0
-blkio.io_service_bytes: Total 0
-blkio.io_wait_time_recursive: Total 0
-blkio.io_service_time: Total 0
-blkio.time_recursive:
-blkio.io_merged: Total 0
-blkio.throttle.read_bps_device:
-blkio.sectors:
-blkio.io_queued: Total 0
-blkio.io_queued_recursive: Total 0
-</pre>
-=Geschwindigkeit einschränken=
-*echo "8:16 1048576" > /sys/fs/cgroup/blkio/mygroup/blkio.throttle.write_bps_device
-=Ohne Einschränkung=
-*dd if=/dev/zero of=/tmp/test count=50 bs=100M
-+0 records in
-+0 records out
- 5242880000 bytes (5.2 GB, 4.9 GiB) copied, 23.0043 s, 228 MB/s
-=Mit Einschränkung=
-*cgexec -g blkio:/mygroup dd if=/dev/zero of=/tmp/test count=50 bs=100M
-=Links=
-*http://www.geeksforgeeks.org/linux-virtualization-resource-throttling-using-cgroups/
-*http://www.admin-magazin.de/Das-Heft/2011/06/Cgroups-zur-Ressourcenkontrolle-in-Linux
-*https://askubuntu.com/questions/836469/install-cgconfig-in-ubuntu-16-04
-*https://www.devinhoward.ca/technology/2015/feb/implementing-cgroups-ubuntu-or-debian

Cgroups: Unterschied zwischen den Versionen

Aktuelle Version vom 10. Januar 2023, 07:26 Uhr

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