Database
Christophe Pettus: Everyone into the Pool
Planet PostgreSQL0 views
PostgreSQL connection poolers lie to both sides of the wire: your app thinks it has thousands of connections while the database sees dozens. (I consult on PostgreSQL through PGX Inc..)
Source：https://postgr.es/p/9w_PreviousPrateek Arora: I timed 179 index recommendations on real data. 18% made the query slower.NextChristophe Pettus: The Vector That Lied About Its Dimensions
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