Hi, On 2024-04-08 22:52:09 -0700, Parag Paul wrote: > We have an interesting problem, where PG went to PANIC due to stuck > spinlock case. > On careful analysis and hours of trying to reproduce this(something that > showed up in production after almost 2 weeks of stress run), I did some > statistical analysis on the RNG generator that PG uses to create the > backoff for the spin locks.
ISTM that the fix here is to not use a spinlock for whatever the contention is on, rather than improve the RNG. Greetings, Andres Freund
