OpenQCore · Realtime Runtime

Generation I · Low-Latency Execution Core

Realtime Runtime.
Low-Latency AI Execution.

Realtime Runtime is OpenQCore’s execution backbone for production chat systems, combining validation, backpressure control, deduplication, distributed locks, and resilient response orchestration.

Load Strategy

Backpressure-Aware

Execution Modes

Streaming + Non-Streaming

Safety Controls

Lock + Circuit Breaker + Dedup

Message Persistence

User + Assistant Durable Save

Request Lifecycle

Deterministic execution from ingress to cleanup.

Every request follows a guarded lifecycle: validation, overload protection, dedup checks, lock acquisition, runtime execution, persistence, and deterministic cleanup.

Stage 01

Build trace and request context

Stage 02

Track pending request + evaluate system load

Stage 03

Validate payload, attachments, and session access

Stage 04

Persist latest user message (if session exists)

Stage 05

Dedup check for non-stream requests

Stage 06

Acquire distributed lock and execute runtime

Stage 07

Persist assistant message and cache response

Stage 08

Release lock and untrack pending in finally block

Runtime Control Plane

Resilience primitives that keep execution stable.

Circuit Breaker Integration

Runtime execution is breaker-aware to isolate downstream failures and protect overall system availability.

Distributed Locking

A scoped lock key prevents duplicate in-flight processing for the same request identity.

Backpressure Management

Pending requests are tracked continuously and critical load states trigger controlled 503 rejection.

Execution Paths

Different response paths for different latency goals.

Streaming Path

  • Optimized for immediate token delivery
  • Returns StreamingResponse directly
  • Bypasses dedup cache return path
  • Still protected by validation + lock + cleanup

Non-Streaming Path

  • Checks dedup cache before execution
  • Executes runtime and extracts final content/payload
  • Persists assistant output for session continuity
  • Stores model output in dedup cache when possible

Observability & Safety

Traceable operations with measurable runtime behavior.

  • Structured event logging (start, complete, cleanup, errors)
  • Trace ID + Request ID propagation per execution
  • Metrics counters for requests, rejections, and error classes
  • HTTPException mapping with controlled status handling
  • Guaranteed finalization for lock release and pending cleanup

Run production AI workloads with realtime confidence.

Adopt a runtime architecture built for low latency, deterministic cleanup, resilient control flow, and operational reliability.