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# Linux Sysctl FS Input Plugin
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The linux_sysctl_fs input provides Linux system level file metrics. The documentation on these fields can be found at < https: / / www . kernel . org / doc / Documentation / sysctl / fs . txt > .
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Example output:
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```shell
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> linux_sysctl_fs,host=foo dentry-want-pages=0i,file-max=44222i,aio-max-nr=65536i,inode-preshrink-nr=0i,dentry-nr=64340i,dentry-unused-nr=55274i,file-nr=1568i,aio-nr=0i,inode-nr=35952i,inode-free-nr=12957i,dentry-age-limit=45i 1490982022000000000
```
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## Configuration
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```toml @sample .conf
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# Provides Linux sysctl fs metrics
[[inputs.linux_sysctl_fs]]
# no configuration
```