# Learning Objectives
+ `TiKV` architecture overview
+ Data storage in `TiKV`
+ Write optimization
  + The process of writing data in `TiKV`
  + Write bottleneck analysis
  + Write hotspot issue
  + Write related configurations
+ Read optimization
  + The process of reading data in `TiKV`
  + Read bottleneck analysis
  + `Readpool` related configurations
  + Block cache related configurations

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