* Allow multiple keyranges in CheckpointRequest.
Include DataMove ID in CheckpointMetaData.
* Use UID dataMoveId instead of Optional<UID>.
* Implemented ShardedRocks::checkpoint().
* Implementing createCheckpoint().
* Attempted to change getCheckpointMetaData*() for a single keyrange.
* Added getCheckpointMetaDataForRange.
* Minor fixes for NativeAPI.actor.cpp.
* Replace UID CheckpointMetaData::ssId with std::vector<UID>
CheckpointMetaData::src;
* Implemented getCheckpointMetaData() and completed checkpoint creation
and fetch in test.
* Refactoring CheckpointRequest and CheckpointMetaData
rename `dataMoveId` as `actionId` and make it Optional.
* Fixed ctor of CheckpointMetaData.
* Implemented ShardedRocksDB::restore().
* Tested checkpoint restore, and added range check for restore, so that
the target ranges can be a subset of the checkpoint ranges.
* Added test to partially restore a checkpoint.
* Refactor: added checkpointRestore().
* Sort ranges for comparison.
* Cleanups.
* Check restore ranges are empty; Add ranges in main thread.
* Resolved comments.
* Fixed GetCheckpointMetaData range check issue.
* Fixed error description.
Co-authored-by: He Liu <heliu@apple.com>
* Storage server shard management with physical shards.
* Cleanup.
* Resolved comments.
* Added `UnlimintedCommitBytes`.
Co-authored-by: He Liu <heliu@apple.com>