[GitHub] [skywalking] valyala opened a new issue #3951: Add VictoriaMetrics storage backend

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valyala opened a new issue #3951: Add VictoriaMetrics storage backend
URL: https://github.com/apache/skywalking/issues/3951
 
 
   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
   - [ ] Question or discussion
   - [ ] Bug
   - [ ] Requirement
   - [x] Feature or performance improvement
   
   ___
   ### Requirement or improvement
   It would be great to add [VictoriaMetrics](https://github.com/VictoriaMetrics/VictoriaMetrics/) as storage backend for metrics collected by `SkyWalking`. VictoriaMetrics is optimized for speed and it provides the best on-disk compression ratio. It can accept metrics via any supported ingestion protocol:
   - Prometheus remote_write protocol
   - [Influx line protocol](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/README.md#how-to-send-data-from-influxdb-compatible-agents-such-as-telegraf)
   - [Graphite plaintext protocol with tags](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/README.md#how-to-send-data-from-graphite-compatible-agents-such-as-statsd)
   - [OpenTSDB put protocol](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/README.md#how-to-send-data-from-opentsdb-compatible-agents)
   
   Stored metrics can be queried either via [PromQL](https://medium.com/@valyala/promql-tutorial-for-beginners-9ab455142085) or via [/api/v1/export](https://github.com/VictoriaMetrics/VictoriaMetrics/blob/master/README.md#how-to-export-time-series) endpoint.

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