runc-checkpoint (8) - Linux Manuals

runc-checkpoint: checkpoint a running container

NAME

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 \0 (a zero byte) to that fd. Used together with --lazy-pages.

--page-server IP-address:port

Start a page server at the specified IP-address and port. This is used together with criu lazy-pages. See criu lazy migration <https://criu.org/Lazy_migration>.

--file-locks

Allow checkpoint/restore of file locks. See criu --file-locks option <https://criu.org/CLI/opt/--file-locks>.

--pre-dump

Do a pre-dump, i.e. dump container's memory information only, leaving the container running. See criu iterative migration <https://criu.org/Iterative_migration>.

--manage-cgroups-mode soft|full|strict.

Cgroups mode. Default is soft. See criu --manage-cgroups option <https://criu.org/CLI/opt/--manage-cgroups>.

--empty-ns namespace

Checkpoint a namespace, but don't save its properties. See criu --empty-ns option <https://criu.org/CLI/opt/--empty-ns>.

--auto-dedup

Enable auto deduplication of memory images. See criu --auto-dedup option <https://criu.org/CLI/opt/--auto-dedup>.