runc-checkpoint (8) Linux Manual Page

runc-checkpoint – checkpoint a running container

Synopsis

runc checkpoint [option …] container-id

Description

The checkpoint command saves the state of the running container instance with the help of criu(8) tool, to be restored later.

Options

–image-path path

Set path for saving criu image files. The default is ./checkpoint.

–work-path path

Set path for saving criu work files and logs. The default is to reuse the image files directory.

–parent-path path

Set path for previous criu image files, in pre-dump.

–leave-running

Leave the process running after checkpointing.

–tcp-established

Allow checkpoint/restore of established TCP connections. See criu –tcp-establised option <https://criu.org/CLI/opt/–tcp-established>.

–ext-unix-sk

Allow checkpoint/restore of external unix sockets. See criu –ext-unix-sk option <https://criu.org/CLI/opt/–ext-unix-sk>.

–shell-job

Allow checkpoint/restore of shell jobs.

–lazy-pages

Use lazy migration mechanism. See criu –lazy-pages option <https://criu.org/CLI/opt/–lazy-pages>.

–status-fd fd

Pass a file descriptor fd to criu. Once lazy-pages server is ready, criu writes