On Tue, Jun 02, 2026 at 05:38:09PM -0700, Lukas Fittl wrote: > I agree its not substantial, but its also not nothing - so I see > Michael's point. I think the largest difference here is the fact that > WalUsage and BufferUsage are repeated - that is something that would > no longer be necessary once/if we go with the stack-based > instrumentation approach. When I had this patch in the other patch > series, it was after a refactoring that made the overhead much > smaller. > > Maybe for now I can re-order this patch series to lead with the other > patches, and we could defer this part a bit until we have clarity what > we're doing re: stack-based instrumentation.
Right. That hints also to a patch ordering problem to me, where the final picture (if I got correctly) would be that we don't have the _start fields anymore at the end in the Instrumentation data sent. It feels confusing that we push from the leader to its workers a set of fields that the workers have no use for. -- Michael
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