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Database
Aggregates in PostgreSQL aren't particularly efficient, computationally speaking. It shows most in a scenario where partial aggregation doesn't help: when aggregation only prepares data for the query, processing a large stream of rows and…
Being "the database guy" comes with a lot of questions, and over the last eight months those questions changed. The repetitive ones disappeared, nobody asks how to avoid putting things in the database any more, and the code arriving for…
max_active_replication_origins is a ten-year-old XXX comment that finally got paid off. It arrived in PostgreSQL 18, and it exists because the thing it controls had been borrowing another parameter’s number since 9.5. On 14 through 17, the…
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