cacheArtifactSize

The number of bytes of the produced or consumed cache artifact. For a task execution where the outputs are successfully stored to a local or remote cache, this is the size of the stored cache artifact. For a task execution where the outputs are successfully loaded from a local or remote cache, this is the size of the loaded cache artifact. null if the task is not cacheable, or if the attempt to store or load the artifact from cache does not succeed.