The disk input plugin, gathers the information about the disk usage of the running system every certain interval of time and reports them.
The plugin supports the following configuration parameters:
Key
Description
In order to get disk usage from your system, you can run the plugin from the command line or through the configuration file:
In your main configuration file append the following Input & Output sections:
Note: Total interval (sec) = Interval_Sec + (Interval_Nsec / 1000000000).
e.g. 1.5s = 1s + 500000000ns
Interval_Sec
Polling interval (seconds). default: 1
Interval_NSec
Polling interval (nanosecond). default: 0
Dev_Name
Device name to limit the target. (e.g. sda). If not set, in_disk gathers information from all of disks and partitions.
$ fluent-bit -i disk -o stdout
Fluent-Bit v0.11.0
Copyright (C) Treasure Data
[2017/01/28 16:58:16] [ info] [engine] started
[0] disk.0: [1485590297, {"read_size"=>0, "write_size"=>0}]
[1] disk.0: [1485590298, {"read_size"=>0, "write_size"=>0}]
[2] disk.0: [1485590299, {"read_size"=>0, "write_size"=>0}]
[3] disk.0: [1485590300, {"read_size"=>0, "write_size"=>11997184}][INPUT]
Name disk
Tag disk
Interval_Sec 1
Interval_NSec 0
[OUTPUT]
Name stdout
Match *