Gunnar Morling • 11/30/2022

The Insatiable Postgres Replication Slot

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A technical deep dive into diagnosing unexpected Write-Ahead Log (WAL) growth and disk space consumption in a seemingly idle PostgreSQL database on Amazon RDS. The article details how an inactive logical replication slot can cause WAL retention, provides step-by-step observations with metrics, and explains the underlying cause and solution for this common operational issue.

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#postgresql #Replication Slots #Wal Growth
The Insatiable Postgres Replication Slot

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