Tag: reliability
Articles and runbooks tagged reliability — production-tested patterns, code examples, and failure analyses across .NET, automation, crypto trading, and AI agents.
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Bybit error 10006: params timestamp illegal — why it happens and how to fix it
When Bybit returns error 10006 "params timestamp illegal": why your trading bot's requests are rejected, the difference from Binance -1021, and the clock sync that prevents it.
Fix Binance Error -1021: Timestamp Outside recvWindow — Complete Guide
Binance error -1021 means your timestamp is outside the recvWindow. Fix it permanently with clock sync, NTP configuration, and recvWindow calibration. Step-by-step guide with checklist.
WebSocket closed with 1006: why trading bots lose connection without an error code
When WebSocket drops with 1006 abnormal closure and no close frame: why trading bots see 1006 instead of a clean close, and the reconnect strategy that handles it without guessing.
WebSocket Reconnect & Auto-Reconnection for Trading Bots: Exponential Backoff, Heartbeat & State Recovery
Complete WebSocket auto-reconnect guide for trading bots. Implement automatic reconnection with exponential backoff, heartbeat ping-pong, message gap detection, and state recovery. Production-tested TypeScript code included.
Outbox pattern: reliable writes + events without the enterprise baggage
When a database write succeeds but the event never arrives, your system is lying to downstream consumers. The outbox pattern fixes this without a distributed transaction or a message broker rewrite.
Structured logging that actually helps: Serilog fields that matter in .NET incidents
When logs are noisy but useless: why incidents stay unsolved, which fields actually explain failures, and the minimal schema that makes .NET outages diagnosable.
OpenTelemetry for .NET: minimum viable tracing for production debugging
When incidents span multiple services and logs cannot explain latency: the smallest OpenTelemetry setup that makes production debugging possible without a full rewrite.
Idempotency keys for APIs: stop duplicate orders, emails, and writes
When retries create duplicate side effects, idempotency keys are the only safe fix. This playbook shows how to design keys, store results, and prove duplicates cannot recur.
HttpClient keeps getting 429s: why retries amplify rate limiting in .NET
When retries multiply 429 errors instead of fixing them: how retry amplification happens, how to prove it, and how to honor Retry-After with budgets.
Cannot trace requests across services: why correlation IDs die at boundaries in .NET
A production playbook for when logs exist but cannot be joined—correlation IDs die at HttpClient boundaries, jobs, and queues, making incidents unreproducible.
Retries making outages worse: when resilience policies multiply failures in .NET
Retry storms don't look like a bug—they look like good engineering until retries amplify failures and multiply in-flight requests during backpressure.
Requests timing out but CPU normal: thread pool starvation in ASP.NET
When requests time out but CPU is low and restarting fixes it temporarily: how thread pool starvation happens, how to prove queueing, and the smallest fixes that stop repeat incidents.
Requests hang forever: why missing timeouts cause recurring outages in .NET
When requests hang forever and recycling releases stuck work: why missing timeouts create backlog, how to add budgets safely, and the rollout plan that prevents new incidents.
Background jobs stuck but look healthy: why workers hang forever with no alerts in .NET
When background jobs hang but workers look healthy and queue pileup grows: why jobs fail silently without timeouts or heartbeats, and the runbook that stops repeat incidents.
How to Stop AI Agents from Looping Forever: Guardrails & Stop Rules
Stop AI agents from calling the same tool repeatedly in production. Learn retry budgets, loop detection, human-in-the-loop escalation, idempotency keys, and guardrails that prevent runaway token costs and duplicate side effects. Code examples included.
Exponential Backoff with Jitter Explained: Formula, Code, and Best Practices
Exponential backoff with jitter explained with code examples. Learn the formula, when to use full jitter vs equal jitter, how to cap retry delays, and why this pattern prevents retry storms in production. Python and C# implementations included.
Signature invalid but bot was working: why clock drift breaks auth suddenly
When bot gets signature invalid or 401 after working fine for hours: why clock drift breaks exchange auth suddenly, and the time calibration that prevents it.
Python Crypto Trading Bot: Build It Yourself or Deploy a Production Bot Today
Build a Python crypto trading bot with Binance API, backtesting, paper trading, and a real user interface. Step-by-step source code guide with exchange error handling, WebSocket reconnection, and production reliability patterns. Deploy to any VPS.