Scaling Roadmap 2019 (#3040)
Scaling Roadmap 2019 (#3040)

* Scaling 2019 roadmap stub.

* Descriptions for all 2019 goals.

* Goals, POCs and Github projects for each.

* Remove recap (will do later).

* Remove indent.

* Add Pluggability and HPA line item.

* Yanwei as POC for layering.

* Update docs/roadmap/scaling-2019.md

Co-Authored-By: josephburnett <josephburnett79@gmail.com>

* Update docs/roadmap/scaling-2019.md

Co-Authored-By: josephburnett <josephburnett79@gmail.com>

* Clarify overload handling for 0 and non-0 cases.

* Refactor cold-start goal.

* Remove POC.

* Autoscaler scalability.

* More edits.

* HPA Interation.

* Minor edits.

* Propose section on migration K8s Deployments

* Reworked parts of the Scaling roadmap.

- Unified some wording (capitalization mostly).
- Removed prescriptive key steps. These should be captured by the respective projects, which will be more dynamically changeable than this document.

knative/serving,knative/serving