app/vmagent/README.md: add iot and edge monitoring use case

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Aliaksandr Valialkin 2020-03-04 18:01:25 +02:00
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### Use cases
#### IoT and Edge monitoring
`vmagent` can run and collect metrics in IoT and industrial networks with unreliable or scheduled connections to the remote storage.
It buffers the collected data in local files until the connection to remote storage becomes available and then sends the buffered
data to the remote storage at the maximum performance. It re-tries sending the data to remote storage on any errors.
The maximum buffer size can be limited with `-remoteWrite.maxDiskUsagePerURL'.
`vmagent` works on various architectures from IoT world - 32-bit arm, 64-bit arm, ppc64, 386, amd64.
See [the corresponding Makefile rules](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/app/vmagent/Makefile) for details.
#### Drop-in replacement for Prometheus
If you use Prometheus only for scraping metrics from various targets and forwarding these metrics to remote storage,

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@ -62,6 +62,18 @@ Pass `-help` to `vmagent` in order to see the full list of supported command-lin
### Use cases
#### IoT and Edge monitoring
`vmagent` can run and collect metrics in IoT and industrial networks with unreliable or scheduled connections to the remote storage.
It buffers the collected data in local files until the connection to remote storage becomes available and then sends the buffered
data to the remote storage at the maximum performance. It re-tries sending the data to remote storage on any errors.
The maximum buffer size can be limited with `-remoteWrite.maxDiskUsagePerURL'.
`vmagent` works on various architectures from IoT world - 32-bit arm, 64-bit arm, ppc64, 386, amd64.
See [the corresponding Makefile rules](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/app/vmagent/Makefile) for details.
#### Drop-in replacement for Prometheus
If you use Prometheus only for scraping metrics from various targets and forwarding these metrics to remote storage,