I think that Linkerd is totally awesome and that it's definitely not receiving the attention that it deserves.
One may think that Linkerd only fits in large projects but having that layer that manages the communication between my apps/microservice represents a huge boost forward for any project regardless its size. With Linkerd you're relying on the expertise of a team with vast knowledge on the field.
For those of you worried about the memory footprint of JVM, Linkerd can perfectly run in the 32-bit JVM (Docker image buoyantio/linkerd:1.0.0-32b) and with only 256mb the results are impressive. More here: https://blog.buoyant.io/2016/06/17/small-memory-jvm-techniqu....