add MemAvailable #12
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add MemAvailable #12
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@feiyuw 加了一个字段，值与memfree相同？这没啥意义哇 |
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@UlricQin 在新的linux内核里面，memavailable这个值用来计算可用的内存更准确，见https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34e431b0ae398fc54ea69ff85ec700722c9da773 |
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linux内核3.14以后，/proc/meminfo新增了MemAvailable字段，这样取内存使用率会更准一些。 我们根据这个修改，falcon-agent 监控内存使用率更准确了。（ 内核版本为 4.8 和 4.9 。 ） |
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MemAvailable is better than MemFree in newer Kernel