14 exercises found
Connect all the dots and see cache for what it really is - your application's speed booster.
Load balancers enable horizontal scaling and high availability - the two pillars of modern internet infrastructure.
Modern applications use load balancers at multiple levels. Understanding production patterns helps you design better systems.
Circuit breakers need proper configuration and monitoring. Wrong thresholds cause false positives or miss real failures.
Large systems use circuit breakers extensively. Understanding production patterns and tools helps you implement them effectively.
Backups protect against yesterday mistakes. Replication protects against right-now failures. Learn how to maintain live redundant copies.
Numbers tell the story. Learn key metrics that quantify system reliability and help you make informed decisions.
Understanding why simple monitoring creates an infinite loop. This fundamental problem leads us to leader election.
Learn the leader-worker pattern that breaks the infinite monitoring loop. Understand how systems automatically promote workers to leaders.
Leader election is powerful but not always the right choice. Understand the trade-offs, failure modes, and alternatives.
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