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284 bytes added ,  17:40, 26 August 2014
Added complexity to tasks
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! component
 
! component
 
! task
 
! task
 +
! complexity
 
! assignee
 
! assignee
 
! comments
 
! comments
 
|-
 
|-
| crtools || support OFD posix locks || - ||
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| crtools || support OFD posix locks || easy || - ||
 
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|-
| crtools || optimize kcmp calls || - || For fs/fdt/vm/etc we can pre-generate ID based on objects that live on them. If pre-ID matches, then call kcmp.
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| crtools || optimize kcmp calls || medium || - || For fs/fdt/vm/etc we can pre-generate ID based on objects that live on them. If pre-ID matches, then call kcmp.
 
|-
 
|-
| crtools || Shmem changes tracking || - ||  
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| crtools || Shmem changes tracking || medium || - ||  
 
|-
 
|-
| crtools || Page transfer filters || Ruslan Kuprieiev || Packing or encrypting the data would be nice
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| crtools || Page transfer filters || medium || Ruslan Kuprieiev || Packing or encrypting the data would be nice
 
|-
 
|-
| crtools || FUSE || - ||
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| crtools || FUSE || hard || - ||
 
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| crtools || 32-bit tasks || Cyrill ||  
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| crtools || 32-bit tasks || hard || Cyrill ||  
 
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| crtools || Support one of MPI implementations || Adrian Reber || worth starting with OpenMPI
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| crtools || Support one of MPI implementations || hard || Adrian Reber || worth starting with OpenMPI
 
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| crtools || Generate task's core file out of images || - || -
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| crtools || Generate task's core file out of images || medium || - ||
 
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| crtools || Convert images to JSON and back || - || -
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| crtools || Convert images to JSON and back || easy || - ||
 
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| crtools || Modify restored resources run-time || - || Need (probably) some way to alter what is being restored. Usage example -- change the IP address of sockets from task above.
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| crtools || Modify restored resources run-time || medium || - || Need (probably) some way to alter what is being restored. Usage example -- change the IP address of sockets from task above.
 
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| crtools || TCP socket migration with changed IP || - ||  it might make sense to migrate a tcp connection on a box with changed IP address _if_ both boxes are NAT-ed to the destination. We will then have to go to NAT box and fix the conntracks, but this might make sense.
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| crtools || TCP socket migration with changed IP || medium || - ||  it might make sense to migrate a tcp connection on a box with changed IP address _if_ both boxes are NAT-ed to the destination. We will then have to go to NAT box and fix the conntracks, but this might make sense.
 
|-
 
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| crtools || [[Applying images]] || xemul@ w/ students || Think about ability to take images and apply them to a living task(s). E.g. -- repopulate fdtable according to data from image. Another use-case -- when doing partial migration we'll need to modify one part to switch from pipes to sockets
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| crtools || [[Applying images]] || hard || xemul@ w/ students || Think about ability to take images and apply them to a living task(s). E.g. -- repopulate fdtable according to data from image. Another use-case -- when doing partial migration we'll need to modify one part to switch from pipes to sockets
 
|-
 
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| crtools || Partial migration || - || migrate some tasks while proxying IPC to existing others (pipes->sockets, etc.)
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| crtools || Partial migration || hard || - || migrate some tasks while proxying IPC to existing others (pipes->sockets, etc.)
 
|-
 
|-
| crtools || Shared objects (mm/fs) support || - || Now we have the kcmp syscall and can do it. The first candidate is mm sharing, as we do know, that MySQL does so sometimes.
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| crtools || Shared objects (mm/fs) support || medium || - || Now we have the kcmp syscall and can do it. The first candidate is mm sharing, as we do know, that MySQL does so sometimes.
 
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| crtools || Smart paths resolution || - || Need a way to resolve paths to overmounted files. There are two ways: 1. Move mounts, that overlap the desired path temprarily. 2. When creating a new mount pre-open an fd keeping the mountpoint. Later, do accurate path resolve and call openat() on proper mountpoint fd
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| crtools || Smart paths resolution || hard || - || Need a way to resolve paths to overmounted files. There are two ways: 1. Move mounts, that overlap the desired path temprarily. 2. When creating a new mount pre-open an fd keeping the mountpoint. Later, do accurate path resolve and call openat() on proper mountpoint fd
 
|-
 
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| kernel/crtools || TCP repair fixes || - || [[TCP repair TODO]]
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| kernel/crtools || TCP repair fixes || hard || - || [[TCP repair TODO]]
 
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| crtools || Bridges in container || - ||
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| crtools || Bridges in container || medium || - ||
 
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| crtools || VLANs in containers || - ||
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| crtools || VLANs in containers || medium || - ||
 
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| crtools || PPP support || - ||
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| crtools || PPP support || medium || - ||
 
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| crtools/kernel || DelayFS for NFS/Fuse migration || - ||
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| crtools/kernel || DelayFS for NFS/Fuse migration || hard || - ||
 
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| kernel || Seamless kernel upgrade || Vladimir Davydov ||
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| kernel || Seamless kernel upgrade || hard || Vladimir Davydov ||
 
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| crtools/kernel || NFS || - ||
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| crtools/kernel || NFS || hard || - || Probably depends on DelayFS
 
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| crtools || Validate .img files || - || For a given set of image files check, that they are in "restorable" shape
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| crtools || Validate .img files || easy || - || For a given set of image files check, that they are in "restorable" shape
 
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| crtools || Restore a process tree || - || Need to restore any process tree, which could be created with help PR_SET_CHILD_SUBREAPER and CLONE_PARENT. Processes can share other resources [http://man7.org/linux/man-pages/man2/clone2.2.html clone(2)]. Look at [http://git.criu.org/?p=crtools.git;a=blob;f=test/zdtm/live/static/session02.c;hb=HEAD session02]
+
| crtools || Restore a process tree || hard ||  - || Need to restore any process tree, which could be created with help PR_SET_CHILD_SUBREAPER and CLONE_PARENT. Processes can share other resources [http://man7.org/linux/man-pages/man2/clone2.2.html clone(2)]. Look at [http://git.criu.org/?p=crtools.git;a=blob;f=test/zdtm/live/static/session02.c;hb=HEAD session02]
 
|-
 
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| crtools || X app || - || Dump/restore of graphical applications
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| crtools || X app || hard || - || Dump/restore of graphical applications
 
|-
 
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| kernel || Undo semaphores || Cyrill Gorcunov || Require mods from both sides -- criu and kernel
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| crtools/kernel || Undo semaphores || medium || Cyrill Gorcunov || Require mods from both sides -- criu and kernel
 
|-
 
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| crtools || More detailed RPC fail codes || - || Currently only success = false is reported :(
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| crtools || More detailed RPC fail codes || easy || - || Currently only success = false is reported :(
 
|}
 
|}
    
[[Category:Development]]
 
[[Category:Development]]

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