NEW
senior⏱ 35 min
JVM Memory Leak Under Load
App crashes at 600 RPS. Heap dumps collected. Old Gen filling suspiciously.
JVMHeap DumpJavaGC
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Application — Case Studies
JVM, Node.js, and Python application-level bottlenecks. Cases cover heap analysis, thread pool starvation, garbage collection tuning, and CPU profiling under load.
2 Middle2 Senior
SOON
middle⏱ 28 min
Thread Pool Starvation in Spring
API latency spikes under moderate load. Requests queuing up.
Spring BootThread PoolAsync
SOON
senior⏱ 38 min
G1GC Stop-the-World Pauses Under Load
P99 latency spikes to 4s every 2 minutes. GC logs reveal the pattern.
JVMG1GCGC TuningHeap
SOON
middle⏱ 25 min
Node.js CPU-Bound Operation Blocking Event Loop
Express API becomes unresponsive during PDF generation. Event loop blocked.
Node.jsEvent LoopCPU ProfilingWorker Threads