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Профилирование приложений

Heap dumps, анализ потоков и настройка GC

📚 4 кейсов⏱ 9 часовMiddle → Senior2 Middle2 Senior

Кейсы в этом треке

01
middle⏱ 28 min

Thread Pool Starvation in Spring

API latency spikes under moderate load. Requests queuing up.

Spring BootThread PoolAsync
02
senior⏱ 38 min

G1GC Stop-the-World Pauses Under Load

P99 latency spikes to 4s every 2 minutes. GC logs reveal the pattern.

JVMG1GCGC Tuning
03
senior⏱ 35 min

JVM Memory Leak Under Load

App crashes at 600 RPS. Heap dumps collected. Old Gen filling suspiciously.

JVMHeap DumpJavaGC
04
middle⏱ 25 min

Node.js CPU-Bound Operation Blocking Event Loop

Express API becomes unresponsive during PDF generation.

Node.jsEvent LoopCPU Profiling
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