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Speeding up PostgreSQL dump/restore snapshots
Behind the scenes: Speeding up pgstream snapshots for PostgreSQL How targeted improvements helped us speed up bulk data loads and complex schemas. AuthorEsther Minano Sanz Date published The last few pgstream releases have focused on optimizing snapshot performance, specifically for PostgreSQL targets.
While pgstream captures a simplified version of the schema to support DDL replication, that view isn’t detailed enough to rely on for full database snapshots. While those tools are finely tuned for PostgreSQL, our goal was for pgstream to be a real contender: just as fast, but with bonus features like column transformations and built-in schema replication. While this tweak didn’t lead to massive performance gains, it made snapshots more predictable and better at handling mixed workloads with different table shapes.
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