Pratik Sahu
11 min
Query Optimization: Feature flagging
How **Query Optimization** supports **Feature flagging** in Databases & Caching — gradual rollout, kill switches, and ex...
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DevOps
Linux, Nginx, deployments, and observability.
230 articles
Featured · 11 min read
DevOpsGitHub Actions: Cache strategy
How **GitHub Actions** supports **Cache strategy** in Testing & CI/CD — TTL, invalidation, and stampede control.
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11 min
11 min
Database Indexing: Cache strategy
How **Database Indexing** supports **Cache strategy** in Databases & Caching — TTL, invalidation, and stampede control.
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9 min
Linux (Ubuntu): production notes
Ubuntu servers run Nginx, PHP-FPM, queues, and cron — hardening and updates are weekly habits.
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10 min
Docker: Production hardening
How **Docker** supports **Production hardening** in Cloud & DevOps — release gates, rollback, and on-call readiness.
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9 min
PHPUnit: production notes
PHPUnit guards regressions — feature and unit tests around money, auth, and tenancy pay the highest interest.
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9 min
Database Indexing: production notes
Indexes are write-costly shortcuts for read paths — design them for queries you actually ship.
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11 min
Linux (Ubuntu): Cloud cost control
How **Linux (Ubuntu)** supports **Cloud cost control** in Cloud & DevOps — right-sizing, quotas, and spend alerts.
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11 min
Linux (Ubuntu): API design
How **Linux (Ubuntu)** supports **API design** in Cloud & DevOps — contracts, versioning, and error envelopes.
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11 min
PHPUnit: Schema migrations
How **PHPUnit** supports **Schema migrations** in Testing & CI/CD — online DDL, backfills, and zero-downtime deploys.
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11 min
MySQL: Production hardening
How **MySQL** supports **Production hardening** in Databases & Caching — release gates, rollback, and on-call readiness.
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11 min
MySQL: Performance tuning
How **MySQL** supports **Performance tuning** in Databases & Caching — p95 latency, query plans, and payload size.
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9 min
AWS: production notes
AWS provides primitives for global products — design for regions, IAM boundaries, and cost visibility early.
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