Gunnar Morling • 7/8/2025

Mastering Postgres Replication Slots: Preventing WAL Bloat and Other Production Issues

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This technical guide details strategies for configuring and monitoring PostgreSQL replication slots to avoid write-ahead log (WAL) bloat and other production issues. It covers using the pgoutput plug-in, setting size limits, enabling heartbeats, configuring publications and filters, implementing fail-over slots, and critical monitoring techniques for robust Change Data Capture (CDC).

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#change data capture #postgresql #Replication Slots
Mastering Postgres Replication Slots: Preventing WAL Bloat and Other Production Issues

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