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PostgreSQL 17 VACUUM Overhaul: Adaptive Radix Trees End the 1GB Limit
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PostgreSQL 17 VACUUM Overhaul: Adaptive Radix Trees End the 1GB Limit

DEV Community: postgres·Syed Anzar·about 23 hours ago
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#devtopostgresql#devto#dev#vacuum#postgresql

PostgreSQL 17 replaces VACUUM's flat dead-tuple array with an adaptive radix tree (TIDStore), eliminating the 1GB memory cap and collapsing multiple index vacuum phases into one.

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