Add Performance Metrics about ErizoJS to Prometheus #1675
Merged
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Description
Add perf metrics about ErizoJS (requests to subscribe and unsubscribe streams) and export them to Prometheus through ROV.
This PR adds the structure needed to seamlessly add new metrics about the duration of tasks performed in ErizoJS and I add use it to calculate the performance of subscriptions/unsubscriptions.
[] It needs and includes Unit Tests
Changes in Client or Server public APIs
Not needed.
[] It includes documentation for these changes in
/doc
.