Elixir Performance Review Quick Reference | Issue Type | Reference | |------------|-----------| | Mailbox overflow, blocking calls | references/genserver-bottlenecks.md | | When to use ETS, read/write concurrency | references/ets-patterns.md | | Binary handling, large messages | references/memory.md | | Task patterns, flow control | references/concurrency.md | Review Checklist GenServer - [ ] Not a single-process bottleneck for all requests - [ ] No blocking operations in handle call/cast - [ ] Proper timeout configuration - [ ] Consider ETS for read-heavy state Memory - [ ] Large binaries no…