Caching
Cache eviction
Quick answer
Cache eviction is the removal of cache entries to stay within a size limit, usually by discarding the least recently used entries first.
Cache eviction is the removal of cache entries to stay within a size limit, usually by discarding the least recently used entries first.
Why it matters
GitHub evicts at 10 GB per repository. Teams rarely notice — the build still passes, it just quietly gets slower until someone investigates.
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Related
Artifact cacheAn artifact cache stores build outputs between CI runs so that unchanged work does not have to be recomputed.Cache hit rateCache hit rate is the proportion of cache lookups that find a usable entry, expressed as a percentage.Cache keyA cache key is the string that identifies a cache entry, typically built from a hash of the lockfiles that determine the cached content.Cache scopeCache scope defines which workflows, branches and repositories may read a given cache entry.