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June 4, 2025
  • Continuous Profiling with Async-profiler
  • Inheritance in OOP is Evil
  • How “Waiting for table metadata lock” on DDL Causes Complete Table Lock For MySQL
  • XZ Backdoor : Perpetual Curse For Developers

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January 2025

  • Observability

Continuous Profiling with Async-profiler

Sangmin Lee4 months ago19 hours ago015 mins

4 Pillars of Observability As systems grow in complexity, performance issues creep into application over time. Debugging such issues is often difficult as these are the result of amalgamation of multiple causes. Observability plays an important role in pinpointing these causes. Traditionally, there are 3 pillars of observability: logging, tracing, and metrics. The 3 pillars…

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Recent Posts

  • Continuous Profiling with Async-profiler
  • Inheritance in OOP is Evil
  • How “Waiting for table metadata lock” on DDL Causes Complete Table Lock For MySQL
  • XZ Backdoor : Perpetual Curse For Developers
  • 6 Reasons Why You Should Avoid Scheduled Batch Jobs

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