1NAME() NAME()
2 runc update - update container resource constraints
6
10 runc update [command options] <container-id>
11
15 The data can be read from a file or the standard input, the accepted
16 format is as follow (unchanged values can be omitted):
17 {
20 "memory": {
21 "limit": 0,
22 "reservation": 0,
23 "swap": 0,
24 "kernel": 0,
25 "kernelTCP": 0
26 },
27 "cpu": {
28 "shares": 0,
29 "quota": 0,
30 "period": 0,
31 "realtimeRuntime": 0,
32 "realtimePeriod": 0,
33 "cpus": "",
34 "mems": ""
35 },
36 "blockIO": {
37 "blkioWeight": 0
38 }
39 }
40 Note: if data is to be read from a file or the standard input, all
43 other options are ignored.
44
48 --resources value, -r value path to the file containing the resources
49 to update or '-' to read from the standard input
50 --blkio-weight value Specifies per cgroup weight, range is
51 from 10 to 1000 (default: 0)
52 --cpu-period value CPU CFS period to be used for hardcap‐
53 ping (in usecs). 0 to use system default
54 --cpu-quota value CPU CFS hardcap limit (in usecs).
55 Allowed cpu time in a given period
56 --cpu-rt-period value CPU realtime period to be used for
57 hardcapping (in usecs). 0 to use system default
58 --cpu-rt-runtime value CPU realtime hardcap limit (in usecs).
59 Allowed cpu time in a given period
60 --cpu-share value CPU shares (relative weight vs. other
61 containers)
62 --cpuset-cpus value CPU(s) to use
63 --cpuset-mems value Memory node(s) to use
64 --kernel-memory value Kernel memory limit (in bytes)
65 --kernel-memory-tcp value Kernel memory limit (in bytes) for tcp
66 buffer
67 --memory value Memory limit (in bytes)
68 --memory-reservation value Memory reservation or soft_limit (in
69 bytes)
70 --memory-swap value Total memory usage (memory + swap); set
71 '-1' to enable unlimited swap
72 --pids-limit value Maximum number of pids allowed in the
73 container (default: 0)
74 --l3-cache-schema The string of Intel RDT/CAT L3 cache
75 schema
76 --mem-bw-schema The string of Intel RDT/MBA memory
77 bandwidth schema
78 NAME()