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17-year internet software developer specializing in AI applications, networking, architecture, and open source. Led the delivery of network services handling hundreds of millions of concurrent devices and tens of millions of QPS, and has three years of experience designing and building an agent platform. Follow to stay updated.

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Recent Articles

Latest from Random Bulletin

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Aug 13, 2026 · Cloud Native

Canary Releases: From Simple Percentages to Precise, Attribute‑Based Deployments

The article examines how traditional percentage‑based canary releases evolve into fine‑grained, attribute‑driven deployments with session stickiness, automated SLO gating, traffic mirroring, and service‑mesh integration, highlighting five pain points, practical solutions, and the hidden prerequisites for large‑scale systems.

Canary ReleaseIstioKubernetes
0 likes · 19 min read
Canary Releases: From Simple Percentages to Precise, Attribute‑Based Deployments
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Aug 12, 2026 · Operations

Unitized Deployment: Turning a Shared Cluster into N Isolated, Self‑Contained Units for 10M+ QPS

The article explains why a monolithic shared‑cluster architecture hits a hard limit at the central database, introduces unitized deployment with RZone/GZone/CZone models and routing correction, and evaluates the resulting unlimited horizontal scaling, reduced blast radius, multi‑region active‑active capability against the high refactoring, data‑sync, operational and data‑correctness costs.

CZoneGZoneRZone
0 likes · 22 min read
Unitized Deployment: Turning a Shared Cluster into N Isolated, Self‑Contained Units for 10M+ QPS
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Aug 11, 2026 · Backend Development

From Exclusive to Shared: Mastering Multi‑Tenant Architecture for Massive QPS

The article examines why single‑tenant SaaS incurs exploding cost and operational overhead, explains how logical tenant_id isolation boosts resource density, outlines a spectrum of isolation levels with six shared‑deployment challenges, and presents cell‑based partitioning as a practical solution.

Resource IsolationSaaSarchitecture
0 likes · 20 min read
From Exclusive to Shared: Mastering Multi‑Tenant Architecture for Massive QPS
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Aug 10, 2026 · Cloud Native

From Embedded SDKs to Sidecars: How Service Mesh Evolves Governance at Scale

The article examines how embedding service‑governance logic in application processes creates multi‑language, upgrade, coupling, and resource "taxes," and how moving that logic to sidecar proxies and a centralized Service Mesh shifts those costs while delivering language‑agnostic, upgrade‑decoupled, zero‑trust, and declarative traffic management, albeit with new performance, resource, and operational overheads.

Cloud NativeeBPFgovernance
0 likes · 21 min read
From Embedded SDKs to Sidecars: How Service Mesh Evolves Governance at Scale
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Aug 9, 2026 · Cloud Native

From VMs to Containers: Achieving Million‑QPS Elasticity with Immutable Images

Containers replace heavy VMs by sharing the host kernel, using namespaces for isolation and cgroups for resource limits, while immutable layered images lock down the runtime environment, enabling millisecond‑scale scaling, higher density, and standardized deployment that solves the elasticity, cost, and consistency challenges of million‑QPS services.

DeploymentElastic Scalingcgroup
0 likes · 16 min read
From VMs to Containers: Achieving Million‑QPS Elasticity with Immutable Images
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Aug 9, 2026 · Big Data

Metadata Management at Million‑QPS Scale: From Chaos to a Unified Catalog

The article explains how scattered, hard‑coded metadata in large‑scale systems leads to unknown impact of changes, and walks through building a unified metadata center with a single source of truth, automatic collection, lineage, impact analysis, asset discovery, active metadata, and governance, while highlighting practical trade‑offs and real‑world tools.

Metadata Managementactive metadatadata catalog
0 likes · 19 min read
Metadata Management at Million‑QPS Scale: From Chaos to a Unified Catalog
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Aug 7, 2026 · Operations

From Simple Toggles to Platform‑Scale Switch Management for Million‑QPS Systems

The article explains how moving feature switches from hard‑coded if‑else statements to a platform‑based runtime system enables granular targeting, gradual rollouts, A/B experiments, instant kill‑switches, and SDK‑based local evaluation that can handle millions of queries per second without redeployments.

A/B testingKill SwitchRelease Engineering
0 likes · 17 min read
From Simple Toggles to Platform‑Scale Switch Management for Million‑QPS Systems
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Aug 4, 2026 · Cloud Native

Stateless Design at Ten‑Million QPS: Moving State Out of Compute for Elastic Scaling

The article analyzes how local state—such as in‑memory sessions, caches, files, and long‑lived connections—breaks elastic scaling, outlines four concrete paths to externalize that state (Redis, JWT, object storage, and gateway separation), and explains the resulting scalability benefits, trade‑offs, and performance considerations.

KubernetesRedismicroservices
0 likes · 20 min read
Stateless Design at Ten‑Million QPS: Moving State Out of Compute for Elastic Scaling
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Aug 3, 2026 · Operations

Cost Optimization at Ten‑Million QPS: Turning Ignored Expenses into Core Design

At ten‑million QPS scale, the article explains why cost shifts from a hidden after‑the‑fact bill to a primary design goal, detailing how to make costs observable, improve utilization, right‑size resources, leverage Spot and reserved instances, apply architectural savings, and embed FinOps culture while preserving SLA.

FinOpsKubernetescapacity planning
0 likes · 22 min read
Cost Optimization at Ten‑Million QPS: Turning Ignored Expenses into Core Design