On Wed, Oct 25, 2023 at 10:06:17AM +0530, Amul Sul wrote: > +1 for the feature. > > TWIMW, here[1] is an interesting talk from pgconf.in 2020 on the similar > topic. > > 1] https://pgconf.in/conferences/pgconfin2020/program/proposals/101
Right, this uses a shared hash table. There is a patch from 2019 that summarizes this presentation as well: https://www.postgresql.org/message-id/CANXE4TdxdESX1jKw48xet-5GvBFVSq%3D4cgNeioTQff372KO45A%40mail.gmail.com A different idea is that this patch could leverage a bgworker instead of having a footprint in the postmaster. FWIW, I think that my patch is more flexible than the modes added by faultinjector.h (see 0001), because the actions that can be taken should not be limited by the core code: the point registered could just use what it wants as callback, so an extension could register a custom thing as well. -- Michael
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