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pouch update

Update the configurations of a container

Synopsis

Update a container's configurations, including memory, cpu and diskquota etc. You can update a container when it is running.

pouch update [OPTIONS] CONTAINER

Examples

$ pouch run -d -m 20m --name test-update registry.hub.docker.com/library/busybox:latest
8649804cb63ff9713a2734d99728b9d6d5d1e4d2fbafb2b4dbdf79c6bbaef812
$ cat /sys/fs/cgroup/memory/8649804cb63ff9713a2734d99728b9d6d5d1e4d2fbafb2b4dbdf79c6bbaef812/memory.limit_in_bytes
20971520
$ pouch update -m 30m test-update
$ cat /sys/fs/cgroup/memory/8649804cb63ff9713a2734d99728b9d6d5d1e4d2fbafb2b4dbdf79c6bbaef812/memory.limit_in_bytes
31457280

Options

      --annotation strings          Update annotation for runtime spec
      --blkio-weight uint16         Block IO (relative weight), between 10 and 1000, or 0 to disable
      --cpu-period int              Limit CPU CFS (Completely Fair Scheduler) period, range is in [1000(1ms),1000000(1s)]
      --cpu-quota int               Limit CPU CFS (Completely Fair Scheduler) quota
      --cpu-shares int              CPU shares (relative weight)
      --cpuset-cpus string          CPUs in cpuset which to allow execution (0-3, 0, 1)
      --cpuset-mems string          MEMs in cpuset which to allow execution (0-3, 0, 1)
      --device-read-bps strings     Update read rate (bytes per second) from a device (default [])
      --device-read-iops strings    Update read rate (io per second) from a device (default [])
      --device-write-bps strings    Update write rate (bytes per second) from a device (default [])
      --device-write-iops strings   Update write rate (io per second) from a device (default [])
      --disk-quota strings          Update disk quota for container(/=10g)
  -e, --env strings                 Update environment variables for container('--env A=' means updating env A to be empty and '--env A' means removing env A)
  -h, --help                        help for update
  -l, --label strings               Update labels for container
  -m, --memory string               Container memory limit
      --memory-swap string          Container swap limit
      --restart string              Restart policy to apply when container exits

Options inherited from parent commands

  -D, --debug              Switch client log level to DEBUG mode
  -H, --host string        Specify connecting address of Pouch CLI (default "unix:///var/run/pouchd.sock")
      --tlscacert string   Specify CA file of TLS
      --tlscert string     Specify cert file of TLS
      --tlskey string      Specify key file of TLS
      --tlsverify          Use TLS and verify remote

SEE ALSO

  • pouch - An efficient container engine