<pclass="lead">ClickHouse scales well both vertically and horizontally. ClickHouse is easily adaptable to perform either on a cluster with hundreds or thousands of nodes or on a single server or even on a tiny virtual machine. Currently, there are installations with more multiple trillion rows or hundreds of terabytes of data per single node.</p>
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There are many ClickHouse clusters consisting of multiple hundred nodes, including few clusters of Yandex Metrica, while the largest known ClickHouse cluster is well over a thousand nodes.