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Status Submitted
Workspace Instana
Categories Common
Created by Guest
Created on Jan 16, 2025

Javascript map files should not be downloaded repeatedly

The Website monitoring supports minified javascript through parsing of mapping files.

However these mapping files are not cached by Instana so they are downloaded repeatedly. For big applications this means millions of downloads of files which are >10 MB. This accounts for 50% of our CDN traffic at the moment.

Support suggested to use the map file upload feature, which we did until it broke.

The map file upload has a fixed quota of 500 MB. We have reached this quota in 3 Months.

The only option to clean up uploaded files is a "delete all" API call which is clearly not sufficient.

Without any improvment on this topic, we need to add the additional CDN load and costs into the calculation of our Instana contract which worsens the calculation and increases internal pressure to reduce costs.


Instana is expected to fix this either way:

  1. Improve caching, so files are only downloaded a few times and not constantly

OR

2. Fix the Map file upload to allow for more than 500 MB

OR

3. Provide a means to expire single uploaded map files instead of the current "delete all" api call.

Idea priority High