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fix two typos (#406)

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* fix two typos

Co-authored-by: Connor <zbk602423539@gmail.com>
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ZYFZYF 2022-07-06 19:28:33 +08:00 committed by GitHub
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4
doc/project3-MultiRaftKV.md
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@ -101,8 +101,8 @@ So your task is to implement the process of handling split admin command, just l
> - The corresponding Peer of this newly-created Region should be created by > - The corresponding Peer of this newly-created Region should be created by
`createPeer()` and registered to the router.regions. And the region’s info should be inserted into `regionRanges` in ctx.StoreMeta. `createPeer()` and registered to the router.regions. And the region’s info should be inserted into `regionRanges` in ctx.StoreMeta.
> - For the case region split with network isolation, the snapshot to be applied may have overlap with the existing region’s range. The check logic is in `checkSnapshot()` in `kv/raftstore/peer_msg_handler.go`. Please keep it in mind when implementing and take care of that case. > - For the case region split with network isolation, the snapshot to be applied may have overlap with the existing region’s range. The check logic is in `checkSnapshot()` in `kv/raftstore/peer_msg_handler.go`. Please keep it in mind when implementing and take care of that case.
> - Use `engine_util.ExceedEndKey()` to compare with region’s end key. Because when the end key equals “”, any key will equal or greater than “”. > - There are more errors need to be considered: `ErrRegionNotFound`, > - Use `engine_util.ExceedEndKey()` to compare with region’s end key. Because when the end key equals “”, any key will equal or greater than “”.
`ErrKeyNotInRegion`, `ErrEpochNotMatch`. > - There are more errors need to be considered: `ErrRegionNotFound`, `ErrKeyNotInRegion`, `ErrEpochNotMatch`.
## Part C ## Part C

2
kv/raftstore/raftstore.go
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@ -37,7 +37,7 @@ func (r *regionItem) Less(other btree.Item) bool {
type storeMeta struct { type storeMeta struct {
sync.RWMutex sync.RWMutex
/// region end key -> region ID /// region start key -> region
regionRanges *btree.BTree regionRanges *btree.BTree
/// region_id -> region /// region_id -> region
regions map[uint64]*metapb.Region regions map[uint64]*metapb.Region