Idempotent Kafka Consumer in Go: 5 Proven Patterns (2026)
A double‑charge after a Kafka rebalance showed at‑least‑once delivery can duplicate actions. Idempotent Kafka consumer with Redis deduplication prevents duplicates
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103 articles
A double‑charge after a Kafka rebalance showed at‑least‑once delivery can duplicate actions. Idempotent Kafka consumer with Redis deduplication prevents duplicates
Your LLM chatbot crashes as pods hit OOM‑kill. Discover the AI agent memory leak in Kubernetes and apply fixes to stop leaks, stabilize, and…
A 10k‑event‑per‑second write storm crashed Postgres. Switching to CockroachDB cut tail latency by 40 %—Postgres vs CockroachDB proves winner for microservices.
Live‑chat stalls when a pre‑submission hook hits a rate limit, but the UGC Product Hook pattern adds circuit‑breakers and DLQs so moderation stays under…
Static secrets crashed dozens of AI pods, costing time and money. Manage secrets for AI agents with vaults, short‑lived tokens, and auto‑rotation to stay…
Stuck with 800 ms gRPC calls? Harness agent latency can crash pipelines. Discover sidecar limit fixes and eBPF tracing that cut latency to under…
An alarm at 2 am revealed a silent gRPC stream timeout that froze dashboards. Trace deadline propagation, close leaked streams, and keep Go services alive.
When OpenAI throttled, our checkout hung and requests timed out. A circuit breaker Go implementation isolates AI failures, slashing latency, saving revenue.
A sidecar crash can OOM your LLM pods and waste an hour of inference. The agent sidecar pattern isolates telemetry and adds only 2‑5 ms…
A pod eviction left my AI agent with stale embeddings. Prevent AI agent state corruption with StatefulSets, sidecar WAL, and writes for reliable recovery.
A corrupted Avro payload stalled our order pipeline as trace context never crossed Kafka. Kafka OpenTelemetry tracing gives visibility, flags bad messages fast.
A hidden subnet ACL drift took our Harness agent offline; fixing network policies, IAM roles, and storage classes restores deployments in minutes.
Your Go service hangs on DB connections because logic is tied to sql.DB. Hexagonal architecture in Go isolates rules, letting you test fast and…
Traffic turned a 2 am checkout into a 5‑second nightmare; missing indexes were the culprit. Database indexing strategies cut latency, stop full‑table scans.
A stray circuit‑breaker turned DB‑hammer, exposing retry storms that kill latency. Backend from first principles shows how to shave 40 % off times.
A malformed JSON once froze every screen—proving Backend‑Driven UI must be validated, versioned, and cached like any other data, so you can ship UI…
Your microservice hit 120 ms 99th‑percentile after a cache stampede. Redis caching patterns stop stampedes, cut latency to sub‑2 ms and slash DB load.
Your zero‑trust gateway stalls at 8k RPS as Node.js chokes on JWT checks. Go and Rust cut latency to sub‑10 ms and halve CPU, giving fast,…