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Missing Caching and Retention Documentation #93

Description

@chrishiestand

I'd love to learn more about how resources and task images are cached. These documents are currently empty.

https://concourse-ci.org/caching-and-retention.html

Activity

  1. ruffsl commented on Aug 23, 2019

    @ruffsl

    Is caching already supported, or is that doc page a stub for features not yet developed?

  2. philippeboyd commented on Jan 16, 2020

    @philippeboyd

    Would be nice to get an answer from the concourse team.

  3. taylorsilva commented on Aug 11, 2025

    @taylorsilva
    Member

    I don't think that page ever existed. Not going to bother digging through git history to find it. We should document the things we cache and for how long. A few things off the top of my head:

    • Volumes from get steps are cached for some time. Not sure for how long though or what the scope is.
    • Task caches. I think there's an issue with those being cached indefinitely 😬
    • Check containers are cached and re-used for a period of time. I think it's currently an hour
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