[jira] [Created] (FLINK-17611) Support unix domain sockets for sidecar communication in Stateful Functions

[Shang Yuanchun (Jira)]

Francesco Guardiani created FLINK-17611:
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             Summary: Support unix domain sockets for sidecar communication in Stateful Functions
                 Key: FLINK-17611
                 URL: https://issues.apache.org/jira/browse/FLINK-17611
             Project: Flink
          Issue Type: New Feature
          Components: Stateful Functions
            Reporter: Francesco Guardiani


Hi all,

I'm quite new to this project and I've started investigating its potential usage in Kubernetes.
I've found in past that using Unix Domain Sockets across several containers in the same pod gives an interesting performance boost and drastically reduces the overhead of going through the network stack. Given that containers in a pod run in the same host, it's perfectly reasonable to let them communicate through unix domain sockets.

If you're interested in such feature, I'm more than willing to help implementing that, given that I need a few pointers where to start from



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