Jaeger graduation proposal

Signed-off-by: Yuri Shkuro <ys@uber.com>

reviews/graduation-jaeger.md

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+# Jaeger Graduation Application
+
+Jaeger was open sourced in April, 2017 and joined the CNCF in September, 2017. The project has grown significantly over time. As of Oct-30-2018 ([devstats][devstats]):
+
+  * 6185 stars on GitHub
+  * 878 forks
+  * 224 authors of commits and pull requests
+  * 350 issue creators  
+
+Jaeger fulfills all CNCF incubating and graduation criteria. The following application links to the required information to become a graduated project.
+
+## Document that it is being used successfully in production by at least three independent end users which, in the TOC’s judgement, are of adequate quality and scope.
+
+Known end users include: Alibaba Cloud, Base CRM (acquired by ZenDesk), Circonus, ContaAzul, FarmersEdge, GrafanaLabs, Massachusetts Open Cloud, Northwestern Mutual, Nets, Stagemonitor, RiksTV, SeatGeek, SpotHero, Vistar Media, Uber, Weave, Weaveworks, Zenly.
+
+Jaeger is also being integrated with other open source projects:
+
+  * OpenCensus libraries and agent ship with [exporters for Jaeger](https://opencensus.io/guides/exporters/supported-exporters/java/jaeger/)
+  * [Istio comes with Jaeger included](https://istio.io/docs/tasks/telemetry/distributed-tracing/)
+  * [Envoy works with Jaeger native client](https://www.envoyproxy.io/docs/envoy/latest/start/sandboxes/jaeger_native_tracing)
+
+## Have a healthy number of committers. A committer is defined as someone with the commit bit; i.e., someone who can accept contributions to some or all of the project.
+
+Jaeger project contains a number of sub-projects, such as client libraries, integrations with Kubernetes, etc. We do not grant committer rights equally across projects, only as needed. For example:
+
+  * Jaeger backend: Currently, we have 7 [committers][committers] and a few people contributing regularly. Full committers have commit rights across all other repositories.
+    * @black-adder (Uber)
+    * @jpkrohling (Red Hat)
+    * @objectiser (Red Hat)
+    * @pavolloffay (Red Hat)
+    * @tiffon (Uber)
+    * @vprithvi (Uber)
+    * @yurishkuro (Uber)
+  * Jaeger UI
+    * @tiffon (Uber)
+    * @saminzadeh (Uber)
+  * Jaeger client for C++
+    * @isaachier (Uber)
+  * Jaeger client for C#
+    * @Falco20019
+    * @grounded042 (Chatham Financial)
+    * @kevindaviscfc (Chatham Financial)
+    * @PhillipChaffee (Chatham Financial)
+    * @cwe1ss (c3-ls.com)
+
+We are on the constant lookout for new maintainers to join our ranks. In the past year over 200 people created commits and pull requests to Jaeger code base.
+
+# Demonstrate a substantial ongoing flow of commits and merged contributions.
+
+https://jaeger.devstats.cncf.io/d/4/companies-stats?orgId=1&var-period=m&var-metric=activity&var-repogroup_name=All&var-companies=All 
+
+# Have committers from at least two organizations.
+
+We currently have 7 committers from 2 organizations, Uber and Red Hat.
+
+# Have achieved and maintained a Core Infrastructure Initiative Best Practices Badge.
+
+https://bestpractices.coreinfrastructure.org/en/projects/1273 
+
+# Adopt the CNCF Code of Conduct.
+
+https://github.com/jaegertracing/jaeger/blob/master/CODE_OF_CONDUCT.md
+
+# Explicitly define a project governance and committer process. 
+
+  * Governance: https://github.com/jaegertracing/jaeger/blob/master/GOVERNANCE.md
+  * Committers: https://github.com/jaegertracing/jaeger/blob/master/CODEOWNERS 
+
+# Have a public list of project adopters for at least the primary repo (e.g., ADOPTERS.md or logos on the project website).
+
+https://github.com/jaegertracing/jaeger/blob/master/ADOPTERS.md
+
+[devstats]: https://jaeger.devstats.cncf.io/d/18/project-statistics?orgId=1&var-period_name=Last%20decade&var-repogroup_name=All
+[committers]: https://github.com/jaegertracing/jaeger/blob/master/CODEOWNERS