robojerk/codeql-action

Document future cache size considerations

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Michael B. Gale 2024-10-29 12:04:46 +00:00
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10
src/dependency-caching.ts
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@ -158,6 +158,16 @@ export async function uploadDependencyCaches(config: Config, logger: Logger) {
continue;
}
// Calculate the size of the files that we would store in the cache. We use this to determine whether the
// cache should be saved or not. For example, if there are no files to store, then we skip creating the
// cache. In the future, we could also:
// - Skip uploading caches with a size below some threshold: this makes sense for avoiding the overhead
// of storing and restoring small caches, but does not help with alert wobble if a package repository
// cannot be reached in a given run.
// - Skip uploading caches with a size above some threshold: this could be a concern if other workflows
// use the cache quota that we compete with. In that case, we do not wish to use up all of the quota
// with the dependency caches. For this, we could use the Cache API to check whether other workflows
// are using the quota and how full it is.
const size = await getTotalCacheSize(cacheConfig.paths, logger);
// Skip uploading an empty cache.