Unverified50% confidenceFactExact time
Every Postgres update must go through the WAL flush to disk and acquire a row lock, and the old row is not deleted immediately but left for the vacuum process to clean up.
1
Sources
50%
Confidence
Long-term
Relevance
10/28/2026
First Seen
Sources
Netflix-Grade Resume Playback: Replacing Redis with Dragonfly DB in Practice
youtubeHitesh Choudhary10/28/2026
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