This is quite a bit of overhead by itself, but the problem becomes even worse if you have multiple processes sharing that memory.

 
  • 這本身就已經(jīng)是非??捎^(guān)的開(kāi)銷(xiāo)了,不過(guò),如果有多個(gè)進(jìn)程共享那些內存時(shí),問(wèn)題會(huì )變得更嚴重。
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