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As of PostgreSQL 12, jit configuration is turned on by default. Note that this may have large performance drawbacks. You can easily turn this off by PostgreSQL configuration: https://www.postgresql.org/docs/13/runt … query.html
Here you can find some information on this: https://dba.stackexchange.com/questions … r-probably
https://dba.stackexchange.com/questions … han/258493
Background information: https://severalnines.com/database-blog/ … postgresql
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