Database
Vadim Yatsenko: Commit Sequence Number (CSN) MVCC: Lock-Free Snapshot Acquisition
Planet PostgreSQL0 views
Every time PostgreSQL decides whether a row is visible to your query, it asks the same question: was the transaction that wrote this row already committed when my snapshot was taken?
Source：https://postgr.es/p/9zXPreviousVadim Yatsenko: DataMax: A Dedicated WAL Log-Store Node for Near-Synchronous DurabilityNextIs the Ninja MultiPot the Kitchen Appliance You Need, or Just the One You Want?
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