INGST-05: Backpressure via 503 when write buffer is full #5
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Server returns
503 Service Unavailablewhen the write buffer is full, signaling agents to retry with exponential backoff. Prevents server overload during agent reconnection storms.Category: Data Ingestion
REQ-ID: INGST-05
Implemented in Phase 1.
WriteBufferreturns false when capacity (50,000) is exceeded.IngestionControllerreturns 503 Service Unavailable when the buffer is full, providing backpressure to agents. Key files:WriteBuffer.java,IngestionController.java.