shared_buffers: Min: 16 (128kB), Max: 1073741823 (8589934584kB), Default: 16384 (128MB), Context: postmaster, Needs restart: true • Sets the number of shared memory buffers used by the server.

Actionable steps on how to improve your Postgres database performance.

Explore how count and distinct queries work behind the scenes, how to make them run faster, and alternative approaches to the problem of speed.

Bottom-up deletion is done during an index operation when a “version churn page split” is anticipated. Obsolete versions of logically unchanged index tuples are removed making space on the page for the newer version.

A guide to fuzzy searching in PostgreSQL

Common DB schema change mistakes and how to avoid them in PostgreSQL development.

Useful PostgreSQL Queries and Commands. GitHub Gist: instantly share code, notes, and snippets.

So far we've discussed query execution stages , statistics , and the two basic data access methods: Sequential scan and Index scan .
The next item on the list is join methods. This article will remind you what logical join types are out there, and then discuss…

Paul looks under the covers at Postgres query plans, indexes, filters, and statistics.

Gaining additional insights and understanding your PostgreSQL workload is critical, and pg_stat_monitor can help you do both. 

Recently I was asked to look into a case where an identical SQL executed on the same database in two...

GitHub Gist: instantly share code, notes, and snippets.

The traditional soft deletion pattern using <code>deleted_at</code> columns leaks into code, curbs the usefulness of foreign keys, and makes data removal difficult. Luckily, there’s an alternative.

gexec PostgreSQL poweruser practice: Learn how to use the gexec command and the `||` operator to get the best results out of your psql.

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