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内存池与对象池:何时选择,如何从零实现?
内存池管控底层内存,减少分配开销与碎片;对象池复用上层对象,降低创建销毁及 GC 损耗。底层内存选内存池,高频业务对象用对象池,低频资源无需池化。落地时内存池做好内存对齐,对象池保证状态重置、线程安全。 高并发程序频繁创建销毁对象,极 ...
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