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=== New features ===
=== New features ===
* Dump and check [[cpuinfo]] (needed to make sure CPU is capable to run the images after restore)
* Dump and check [[cpuinfo]]. Needed to make sure CPU is capable to run the images after restore, e.g. during [[live migration]]
* Initial support for [[userns|user namespaces]]
* Initial support for [[userns|user namespaces]]
** Use memfd to restore shared memory segments
** Use memfd to restore shared memory segments
** [UG]ID-s are dumped from parasite, not from /proc files
** [UG]ID-s are dumped from parasite, not from /proc files
* The docker_cr.sh script to show how Docker container C/R should (will) look like
* The docker_cr.sh script to show how Docker container C/R should (will) look like
* New API for writing [[plugins]] (old one is still possible))
* New API for writing [[plugins]] (old one is still possible)
* Service workers change their title to better look in ps output
* Service workers change their title to better look in ps output
* Ability to feed socket for pre-dump and page-server in swrk mode
* Ability to feed socket for pre-dump and page-server in swrk mode
* Page-server can auto-bind its port
* Page-server can auto-bind its port
* Ability to perform several actions during one connection to RPC service
* Ability to perform several actions during one connection to RPC service
* Support C/R of /dev/console
* C/R of opened /proc/$pid/foo files of dead tasks
* Virtualized devtmpfs C/R (openvz and future upstream kernels)
* C/R of /dev/console
* C/R of virtualized devtmpfs (openvz and future upstream kernels)
* C/R of empty mqueue fs (posix message queues)
* C/R of empty mqueue fs (posix message queues)
* C/R of shared bind-mounts
=== Optimizations ===
=== Optimizations ===
* Absence (e.g. not compiled in) of any namespace in the kernel failed the dump
* Absence (e.g. not compiled in) of any namespace in the kernel failed the dump
* Page-server incremental dump didn't detect new tasks properly and failed the stage
* Page-server incremental dump didn't detect new tasks properly and failed the stage
* Big TCP queues sometimes failed to get restored
* Incremental pre-dump could lose track of memory changes by task