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serverSession: idleTimeMs times out while there is activity #2446

@jrwren

Description

@jrwren

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Issue Type:

  • Bug report
  • Feature request

What happened:

linkerd timed out an active session, when the only serverSession setting set was idleTimeMs.

What you expected to happen:

No timeout as the session was not idle.

How to reproduce it (as minimally and precisely as possible):

Follow the getting started guide here: https://linkerd.io/1/getting-started/locally/
add this config:

    serverSession:
      idleTimeMs: 30000

Use a server on port 9999 which response slowly for more than the timeout. Here is one written in Go:
https://gist.github.com/jrwren/2c1329b9920eef5b7b398164b3f74875

Anything else we need to know?:

Environment:

  • linkerd/namerd version, config files:
    linkerd 1.7.2 (1.7.5-5c1 crashes for me)

  • Platform, version, and config files (Kubernetes, DC/OS, etc):
    macos

  • Cloud provider or hardware configuration:

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