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## Problem We have no specific benchmark testing project migration of postgresql project with existing data into Neon. Typical steps of such a project migration are - schema creation in the neon project - initial COPY of relations - creation of indexes and constraints - vacuum analyze ## Summary of changes Add a periodic benchmark running 9 AM UTC every day. In each run: - copy a 200 GiB project that has realistic schema, data, tables, indexes and constraints from another project into - a new Neon project (7 CU fixed) - an existing tenant, (but new branch and new database) that already has 4 TiB of data - use pgcopydb tool to automate all steps and parallelize COPY and index creation - parse pgcopydb output and report performance metrics in Neon performance test database ## Logs This benchmark has been tested first manually and then as part of benchmarking.yml workflow, example run see https://github.com/neondatabase/neon/actions/runs/11757679870