Kuaishou Frontend Engineering
Aug 30, 2021 · Mobile Development
Why Does NSString Leak in Long‑Running Threads? Exploring ARC and AutoreleasePool
An in‑depth analysis of a memory‑growth issue observed in a Kuaishou live‑stream app reveals how ARC, autorelease pools, and NSString’s class‑cluster implementation interact, why @autoreleasepool blocks resolve the leak, and how compiler optimizations and thread‑local pools affect object release in long‑running C++ threads.
ARCAutoreleasePoolMemory Management
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