Why PostgreSQL MVCC Scales Better Than Lock-Based Reads for Read-Heavy Workloads
A dashboard query runs while a background job updates ten thousand rows. In a lock-based engine, that SELECT waits—sometimes for seconds—until every…
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PostgreSQL MVCC: Why Bloat Doesn't Automatically Mean Expensive Reads
One of the most persistent misconceptions about PostgreSQL MVCC is that old row versions accumulate in a chain until VACUUM removes them, making rea…