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HOLOGRES STORAGE ENGINE
  • The storage engine in Hologres manages data on hologres_shard and provides CRUD operations
  • It is responsible for high-performance data writes and reads Relationship diagram

Relationship with Shards​

  • Each worker creates multiple storage engines, with each engine handling one shard.
  • Storage engines are evenly distributed across workers to ensure balanced resource usage.

Performance Considerations​

  • Proper configuration of shard counts and table groups ensures efficient resource allocation and high concurrency.
  • Improper configuration can lead to uneven resource usage and performance degradation.

References​