59 lines
1.9 KiB
Markdown
59 lines
1.9 KiB
Markdown
metrics
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=======
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Currently, we aim to provide three options to two ways of collecting metrics:
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* using [`expvar`](https://golang.org/pkg/expvar/) package for mobile device metrics collection using [statusmonitor](https://github.com/status-im/statusmonitor),
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* using [Prometheus](https://prometheus.io/) for nodes running locally or on servers.
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## Enable metrics
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Metrics can be enabled with `-stats` flag when running it from command line. `-stats.addr` can be used to change metrics server address and port.
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TBD: how to enable them when running `status-go` as a library?
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## Build tags
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To select how metrics are collected, `status-go` must be compiled with proper build tags.
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To enable `expvar` metrics, compile it with `metrics` build tag:
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```
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make statusgo BUILD_TAGS='metrics'
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```
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To enable Prometheus metrics, compile it with `metrics` and `prometheus` tags:
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```
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make statusgo BUILD_TAGS='metrics prometheus'
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```
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If no `metrics` tag is provided, metrics won't be collected or will be printed as `DEBUG` logs depending on implementation.
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## Current metrics
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Currently, we have defined the following metrics.
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### Whisper
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#### expvar
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* `envelope_counter` -- number of envelopes,
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* `envelope_new_counter` -- number of new envelopes (arrived for the first time, not cached before),
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* `envelope_topic_counter` -- a map with envelopes counted per topic,
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* `envelope_peer_counter` -- a map with envelopes counted by peer,
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* `envelope_volume` -- volume of all envelopes (sum of each envelope's size).
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#### Prometheus
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* `envelope_counter` -- count envelopes with labels: `topic`, `source` (values are `peer` or `p2p`), `is_new`, `peer`,
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* `envelope_volume` -- incremental sum of envelopes volume with labels: `topic`, `source` (values are `peer` or `p2p`), `is_new`, `peer`.
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### Node and peers
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#### expvar
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* `node_info` -- ID of the current node,
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* `node_peers` -- marshaled list of all peers remote addresses.
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#### Prometheus
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Not available.
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