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# NAME
runc update - update container resource constraints
# SYNOPSIS
runc update [command options] <container-id>
# DESCRIPTION
The data can be read from a file or the standard input, the
accepted format is as follow (unchanged values can be omitted):
{
"memory": {
"limit": 0,
"reservation": 0,
"swap": 0,
"kernel": 0,
"kernelTCP": 0
},
"cpu": {
"shares": 0,
"quota": 0,
"period": 0,
"realtimeRuntime": 0,
"realtimePeriod": 0,
"cpus": "",
"mems": ""
},
"blockIO": {
"blkioWeight": 0
}
}
Note: if data is to be read from a file or the standard input, all
other options are ignored.
# OPTIONS
--resources value, -r value path to the file containing the resources to update or '-' to read from the standard input
--blkio-weight value Specifies per cgroup weight, range is from 10 to 1000 (default: 0)
--cpu-period value CPU CFS period to be used for hardcapping (in usecs). 0 to use system default
--cpu-quota value CPU CFS hardcap limit (in usecs). Allowed cpu time in a given period
--cpu-rt-period value CPU realtime period to be used for hardcapping (in usecs). 0 to use system default
--cpu-rt-runtime value CPU realtime hardcap limit (in usecs). Allowed cpu time in a given period
--cpu-share value CPU shares (relative weight vs. other containers)
--cpuset-cpus value CPU(s) to use
--cpuset-mems value Memory node(s) to use
--kernel-memory value Kernel memory limit (in bytes)
--kernel-memory-tcp value Kernel memory limit (in bytes) for tcp buffer
--memory value Memory limit (in bytes)
--memory-reservation value Memory reservation or soft_limit (in bytes)
--memory-swap value Total memory usage (memory + swap); set '-1' to enable unlimited swap
--pids-limit value Maximum number of pids allowed in the container (default: 0)
--l3-cache-schema The string of Intel RDT/CAT L3 cache schema
--mem-bw-schema The string of Intel RDT/MBA memory bandwidth schema
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