* initial work on improving snapshot performance
* Work on snapshots
* rename a few functions
* Cleanup the snapshot file
* vendor the safeio library
* Add a test
* Add more tests
* Some review comments
* Fix comment
* Update physical/raft/snapshot.go
Co-authored-by: Alexander Bezobchuk <alexanderbez@users.noreply.github.com>
* Update physical/raft/snapshot.go
Co-authored-by: Alexander Bezobchuk <alexanderbez@users.noreply.github.com>
* Review feedback
Co-authored-by: Alexander Bezobchuk <alexanderbez@users.noreply.github.com>