
Sriram Subramanian
@sriramsubram
Founder and CEO at @niledatabase. Previously: VP of Engineering at Confluent. Believe to win.
ID: 828258060
https://www.thenile.dev/ 17-09-2012 03:34:48
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šØ PostgreSQL 18 Beta is here šØ Highlights: ā”ļø Async I/O (with io_uring) ā 2ā3x speedups on seq scans, vacuums š Skip scan + smarter OR/IN optimizations š Keep planner stats during major upgrades 𧬠uuidv7() and virtual generated columns š OAuth login š EXPLAIN




āWhy is Postgres seq-scanning rather than use this index?ā š¤Æ Short answer: the planner thinks that index wonāt help (or canāt use it). Longer answerā5 usual suspects š 1ļøā£ Stale stats: ANALYZE hasnāt run; filter looks un-selective. 2ļøā£ Truly un-selective: Stats are right; scan

