mod kazoo Crossing Language Barriers for Fun and Profit
summary
Shows how a bottleneck in the original mod erlang event forced a rewrite into mod kazoo that splits control RPCs from one-way event streams, moves event delivery to multiple TCP sockets with tcp_nodelay, and uses a C node only to encode Erlang terms. The result removes many mutexes, filters huge free switch key/value payloads to cut bandwidth, enables round‑robin handlers for XML fetches, and dramatically reduces crashes and latency.
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