# `RocksDB` Features in `TiKV`
+ Snapshot
  + Read
+ Column Family
  + MVCC
+ Ingest external `SST` files
  + Fast data import in TiDB Lightning
  + Balancing
+ DeleteFilesInRange
  + Truncate table
  + Balancing
+ Prefix Bloom filter and Iterator upper bound
  + Scan acceleration
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