Announcing Linkerd2 edge-19.8.3

Andrew Seigner

Hello Linkerd community!¬†ūüĎč

We are thrilled to announce that Linkerd2 edge-19.8.3 has been released!¬†ūüéą

This is an edge release of Linkerd! The latest stable release is stable-2.4.0.

To install this edge release, run: curl | sh 

This edge release introduces a new linkerd stat trafficsplits subcommand, to show traffic split metrics. It also introduces a "Kubernetes cluster monitoring" Grafana dashboard.

  * Added traffic split metrics via linkerd stat trafficsplits subcommand
  * Fixed linkerd uninject not removing enabled annotations
  * Fixed linkerd stat -h example commands (thanks @ethan-daocloud!)
* Controller
  * Removed unauthenticated tap from the Public API
* Proxy
  * Added request_handle_us histogram to measure proxy overhead
  * Updated the tap server to only admit requests from the control plane's tap controller
  * Fixed a bug where tap would stop streaming after a short amount of time
  * Fixed a bug that could cause the proxy to leak service discovery resolutions to the Destination controller
* Web UI
  * Added "Kubernetes cluster monitoring" Grafana dashboard with cluster and containers metrics
* Internal
  * Updated linkerd install and linkerd upgrade to use Helm charts for templating
  * Pinned Helm tooling to v2.14.3
  * Added Helm integration tests
  * Added container CPU and memory usage to linkerd-heartbeat requests
  * Removed unused inject code (thanks @alenkacz!)

As always, we're excited to hear your feedback. Please try the new release and send questions/comments to this mailing list, and report bugs via GitHub.


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