2015年底发起，2016年被批准为CNCF第三 个项目 ✓ 停止更新 OpenCensus 2017年，起源于Google，项目负责人来自 Google，Microsoft ✓ ✓ 停止更新 OpenMetrics 2017年，起源于Prometheus社区，项目负 责人来自Grafana，Gitlab ✓ 持续更新 OpenTelemetry 2019年，由OpenTracing和OpenCensus合并

feature needs to be explicitly enabled on Prometheus' side, and it is only supported using the OpenMetrics format. For ephemeral or batch jobs that may not exist long enough to be scraped, you can use

feature needs to be explicitly enabled on Prometheus' side, and it is only supported using the OpenMetrics format. For ephemeral or batch jobs that may not exist long enough to be scraped, you can use

feature needs to be explicitly enabled on Prometheus' side, and it is only supported using the OpenMetrics format. For ephemeral or batch jobs that may not exist long enough to be scraped, you can use

feature needs to be explicitly enabled on Prometheus' side, and it is only supported using the OpenMetrics format. For ephemeral or batch jobs that may not exist long enough to be scraped, you can use

feature needs to be explicitly enabled on Prometheus' side, and it is only supported using the OpenMetrics format. For ephemeral or batch jobs that may not exist long enough to be scraped, you can use

feature needs to be explicitly enabled on Prometheus' side, and it is only supported using the OpenMetrics format. For ephemeral or batch jobs that may not exist long enough to be scraped, you can use

feature needs to be explicitly enabled on Prometheus' side, and it is only supported using the OpenMetrics format. For ephemeral or batch jobs that may not exist long enough to be scraped, you can use

feature needs to be explicitly enabled on Prometheus' side, and it is only supported using the OpenMetrics format. For ephemeral or batch jobs that may not exist long enough to be scraped, you can use

feature needs to be explicitly enabled on Prometheus' side, and it is only supported using the OpenMetrics format. For ephemeral or batch jobs that may not exist long enough to be scraped, you can use