On Fri, Feb 10, 2023 at 3:43 PM Jeroen Vermeulen <jtv...@gmail.com> wrote: > > Would there be interest in a variant of PQgetCopyData() that re-uses the same > buffer for a new row, rather than allocating a new buffer on each iteration? > > I tried it on a toy benchmark, and it reduced client-side CPU time by about > 12%. (Less of a difference in wall-clock time of course; the client was only > using the CPU for a bit over half the time.)
Interesting. It might improve logical replication performance too as it uses COPY protocol. Do you mind sharing a patch, test case that you used and steps to verify the benefit? -- Bharath Rupireddy PostgreSQL Contributors Team RDS Open Source Databases Amazon Web Services: https://aws.amazon.com
