d Passthrough clusters?"><a href=#what-are-blackhole-and-passthrough-clusters>What are BlackHole and Passthrough clusters?</a><li role=none aria-label="Using the augmented metrics"><a href=#using-the-augmented-metrics>Using the augmented metrics</a><ol><li role=none aria-label="PassthroughCluster metrics"><a href=#passthroughcluster-metrics>PassthroughCluster metrics</a><li role=none aria-label="BlackHoleCluster metrics"><a href=#blackholecluster-metrics>BlackHoleCluster metrics</a></ol></li><li role=none a