add weighted_io_time to diskio input #3119
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phemmer
commented
Aug 11, 2017
| #### Calculate average queue depth: | ||
| `iops_in_progress` will give you an instantaneous value. This will give you the average between polling intervals. | ||
| ``` | ||
| SELECT derivative(last("weighted_io_time",1ms))/1000 from "diskio" WHERE time > now() - 30m GROUP BY "host","name",time(60s) |
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This is the same method as used by iostat: https://github.com/sysstat/sysstat/blob/33557c3db463ac6efb337a67dd5f099609d62b30/iostat.c#L1042:L1044
|
Awesome, thanks! |
maxunt
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Jun 26, 2018
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