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Python 3.15 introduces the profiling.sampling module, Tachyon, a statistical profiler that periodically samples stack snapshots with minimal overhead, suitable for development and production environments.
A developer shares lessons learned while optimizing Elixir applications, particularly focusing on performance improvements to a Postgres connection pooler (Ultravisor). The article covers profiling techniques using flame graphs, call tracing, and tools like eFlambè and tprof.