On Mon, Nov 25, 2024 at 07:12:56AM +0000, Bertrand Drouvot wrote: > Not sure here, could custom stats start incrementing before the database > system > is ready to accept connections?
In theory, that could be possible. Like pg_stat_io currently, I am ready to assume that it likely won't matter much. > The only cons that I can see is that we will not be able to merge the flush cb > but I don't think that's a blocker (the flush are done in shared memory so the > impact on performance should not be that much of an issue). The backend and I/O stats could begin diverging as a result of a new implementation detail, and the performance of the flushes don't worry me knowing at which frequency they happen on a live system. -- Michael
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