Database-Scaling onhttps://h30306.github.io/blog/zh-tw/tags/database-scaling/Recent content in Database-Scaling onHugo -- gohugo.iozh-twhwork0511@gmail.com (Wei Yi Chung)hwork0511@gmail.com (Wei Yi Chung)© 2026 Wei Yi ChungWed, 27 May 2026 00:00:00 +0000Sharding, Hot Shards, And Cross-Shard Painhttps://h30306.github.io/blog/zh-tw/database/sharding-hot-shards/Wed, 27 May 2026 00:00:00 +0000hwork0511@gmail.com (Wei Yi Chung)https://h30306.github.io/blog/zh-tw/database/sharding-hot-shards/Shard key 不是選一個欄位而已，而是承擔 workload、skew、routing 和 transaction trade-offReplication Lag And Replica Routinghttps://h30306.github.io/blog/zh-tw/database/replication-lag-and-replica-routing/Tue, 26 May 2026 00:00:00 +0000hwork0511@gmail.com (Wei Yi Chung)https://h30306.github.io/blog/zh-tw/database/replication-lag-and-replica-routing/把 read replica 從讀流量擴充，講到 read-after-write correctness 和 routing policy