Sloppy Quorum

A single hot AtomicU64 forces every writer to bounce the same cache line between cores. Sharding the counter across cache-line-padded atomics turns a contended fetch_add into uncontended local writes, at the cost of an O(SHARDS) read.

Key-value stores provide a generic API to store and retrieve values using the key. In this post, we will see how relational tables can be mapped to key-value stores.

Key-value stores provide a generic API to store and retrieve values using the key. In this post, we will see how relational tables can be mapped to key-value stores.