Backpressure Bottleneck in Akka Streams: Identifying Buffer Overflows and Latency Issues
Diagnosing a Backpressure Bottleneck We need to determine why throughput drops and latency spikes in an Akka Streams pipeline. The suspect is a backpressure signal propagating from a downstream stage, potentially causing upstream stages to pause and queues to grow. Constraints include the default 16‑element buffer per stage, the configured overflow strategy,
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