# Automatic Replica Repair for Auto Failover
+ Best practice
  + Transient failure: Ensure `TiKV` is back online sooner
  + Permanent failure: Manually delete `store` to start the replica repair process
  + Ensure enough storage on `TiKV`
+ Replica repair speed can be adjusted
[`https://docs.pingcap.com/tidb/dev/configure-store-limit`](https://docs.pingcap.com/tidb/dev/configure-store-limit)

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