在wiki的object pool pattern里有一句
In certain situations, simple object pooling (that hold no external
resources, but only occupy memory) may not be efficient and could decrease
performance.
上面这段的 external resources && occupy memory 这二个词不太懂~
是指只有单机没有用到socket database之类机制的程式吗?
如果我猜对了~想问一下为什么会这样@@?