package recover_data
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a recovery workflow likes 1. BR read ReadRegionMeta to get all region meta 2. BR send recover region to tikv, e.g assign leader and wait leader apply to last index 3. BR wait all regions in tikv to apply to last index (no write during the recovery) 4. BR resolved kv data
rpc ReadRegionMeta (, stream )
recoverdatapb.proto:78read region meta to ready region meta
message
recoverdatapb.proto:16request to read region meata from a store
uint64 store_id = 1
message
recoverdatapb.proto:24uint64 region_id = 1
uint64 peer_id = 2
uint64 last_log_term = 3
uint64 last_index = 4
uint64 commit_index = 5
uint64 version = 6
bool tombstone = 7
reserved, it may be used in late phase for peer check
bytes start_key = 8
bytes end_key = 9
rpc RecoverRegion (stream , )
recoverdatapb.proto:80execute the recovery command
message
recoverdatapb.proto:37command to store for recover region
uint64 region_id = 1
bool as_leader = 2
force region_id as leader
bool tombstone = 3
set Peer to tombstoned in late phase
message
recoverdatapb.proto:43optional error = 1
uint64 store_id = 2
rpc WaitApply (, )
recoverdatapb.proto:82wait all region apply to last index
message
recoverdatapb.proto:49wait apply to last index
uint64 store_id = 1
message
recoverdatapb.proto:53optional error = 1
rpc ResolveKvData (, stream )
recoverdatapb.proto:84execute delete data from kv db
message
recoverdatapb.proto:58resolve data by resolved_ts
uint64 resolved_ts = 1
message
recoverdatapb.proto:62optional error = 1
uint64 store_id = 2
uint64 resolved_key_count = 3
reserved for summary of restore
uint64 current_commit_ts = 4
cursor of delete key.commit_ts, reserved for progress of restore progress is (current_commit_ts - resolved_ts) / (backup_ts - resolved_ts) x 100%
message
recoverdatapb.proto:20Used in: , ,
string msg = 1