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Status Functionality already exists
Workspace Instana
Categories Kubernetes
Created by Guest
Created on Dec 11, 2023

Limit what files are copied per pod by instana-instrumentation-init

The typical duration of instana-instrumentation-init is 2 seconds. This becomes an issue during node consolidation and when pods are moved to a new node.

I’ve analysed the reason for this slow performance, and it is likely due to the init container copying 12 139 files of 270 MB.

My specific pod is using .NET Core, which only needs 8 files of 3MB.

Currently the webhook uses a global flag to enable the copy of a SDK, i.e.

Improvement Suggestion: To improve the performance of the init container, please use a K8s label to indicate for which SDK the container is opting-in. Like the current tracing opt-in label:

Idea priority Medium
  • Guest
    Jul 12, 2024

    This is the same requirement as requested in

  • Guest
    Mar 13, 2024


    this is already possible, either setting it globaly for everything the AutoTrace Webhook instruments, or Deployment specific:

    This is going to be added to the official documentation as we speak. I hope this resolves the issue for you already!

    Best regards

    Henning Treu - Instana Product Manager

    3 replies