Fixing the heap size won't usually deliver such dramatic improvements for longer-running programs.
固定堆大小通常不会对长时间运行的程序有明显的改善。
2
So we must save water by having a shower instead of a bath. We can save water by fixing dripping taps immediately and we can also save water by not washing under a running tap.
所以我们应该用淋浴代替泡澡来节约水，同时及时修好滴水的水龙头，并且不要开着水龙头洗东西。
3
But when they do occur-because failure is inevitable-validate their accessibility and integrity, and come up with an incremental plan for fixing them and getting your server fully running once more.