你的MySQL突然卡成PPT?八成是内存爆了!MySQL性能骤降真相,内存溢出引发的卡顿危机
Your MySQL suddenly freezes into PPT? There's an 80% chance that the memory has crashed! The truth behind the sudden drop in MySQL performance: The lag crisis caused by memory overflow
以上为机器翻译结果，长、整句建议使用 人工翻译 。