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blcrcheckpointcontainercontainerscriudmtcphighly-availablelinuxmemory-trackingmigrationparasitepost-copyrestoresnapshotsuspenduserfaultfdzero-downtime
0216805423
The mremap() grow on anonymous shared memory doesn't produce usable segment, as the underlying kernel tmpfs file doesn't get truncated. So any access to new mem will result in sigbus. Disable this grow for now, we only need few of such memory. Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com> Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org> |
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CRIU (Checkpoint and Restore in Userspace)
An utility to checkpoint/restore tasks. Using this tool, you can freeze a running application (or part of it) and checkpoint it to a hard drive as a collection of files. You can then use the files to restore and run the application from the point it was frozen at. The distinctive feature of the CRIU project is that it is mainly implemented in user space.
The project home is at http://criu.org.
Pages worth starting with are:
- Kernel configuration, compilation, etc
- A simple example of usage
- More sophisticated example with graphical app
How to contribute
- How to submit patches;
- Send all bug reports to mailing list;
- Spread the word about CRIU in social networks;