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LISTEN/NOTIFY is elegant—but NOTIFY grabs a cluster-wide exclusive lock that can cascade into timeouts under high concurrency. Jimmy Angelakos, (@vyruss.org) PostgreSQL Contributor, shares a real-world fix at POSETTE 2026 Watch Livestream 4, Thu 18 Jun posetteconf.com/2026/talks/l... #PosetteConf
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POSETTE: An Event for Postgres