Linkerd 2.6 release, this version brings a number of improvements, including increased support for distributed tracking, bringing request and response header files Linkerd real-time tap output, added to the dashboard split flow visualization, significantly improved the dashboard performance on large clusters, Helm added a public warehouse.
Specifically, the tracking support new distributed data plane means Linkerd transfer agent now tracking range, or the like can be used Jaeger trapping agent system timing single request.
Another improvement is a real-time request and response header to the tap of the output Linkerd. tap to provide real-time characteristics Linkerd exemplary actually requested between two Pod, deployed or namespace flow. Linkerd 2.5, make sure to follow the situation tap Kubernetes RBAC restrictions, follow the tcpdump fine-grained access control, the 2.6 version adds header to be close to a complete vision of "micro-services tcpdump" is.
This version also Linkerd the dashboard made some improvements. First, greatly reducing the load dashboard Prometheus generated, can now be used on large clusters, and can also greatly reduce the load even in small clusters. Secondly, dashboard now supports the deployment of split flow for the Canary visualization capabilities.
In addition, Linkerd 2.6 also brings a lot of other improvements, performance enhancements and bug fixes, including:
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linkerd install --cluster-domain to provide new flag to have a custom domain rather than "cluster.local" clusters.
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The new name space level Grafana dashboard.
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linkerd tap new JSON output options.
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The new constraint node selection Helm installed, allowing the installation mixed cluster.
Meanwhile, on the basis of a previous version of Helm working on, Linkerd now have a common repository Helm:
For more details, see the announcement: