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  5. Christophe Pettus: PgQue: Two Snapshots and a Diff
Christophe Pettus: PgQue: Two Snapshots and a Diff
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Christophe Pettus: PgQue: Two Snapshots and a Diff

PgQue's zero-mutation queue algorithm eliminates the "queue death spiral" by replacing UPDATE-and-DELETE with snapshot diffing.

DevelopmentPlanet PostgreSQLPublished: May 4, 2026
Development
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DevelopmentPlanet PostgreSQLMay 3, 2026

Henrietta Dombrovskaya: PG DATA 2026. The talks I am most excited about. Part 3

After Part 1 and Part 2, here comes the Friday schedule! I hope that on the second day of the conference, I will have more time to attend different talks and actually stay and listen! My absolutely-most-anticipated Friday talk is Paul…

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Development
DevelopmentPlanet PostgreSQLMay 3, 2026Content in its original language: Portuguese

Christophe Pettus: All Your GUCs in a Row: autovacuum_analyze_scale_factor and autovacuum_analyze_threshold

Autovacuum's ANALYZE threshold formula combines a fixed floor and a percentage of table size.

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Development
DevelopmentPlanet PostgreSQLMay 2, 2026Content in its original language: Portuguese

Christophe Pettus: wal_sender_shutdown_timeout: Now Actually a Timeout

If you have ever run pg_ctl stop -m fast on a primary and watched it hang well past wal_sender_shutdown_timeout, you have met a bug that has been sitting in walsender.c for years. As of commit c0b24b3 on master (Fujii Masao, May 1,…

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