One easy way to achieve this is to store really large values, e.g. 10 Mb per row. Since ClickHouse operates in large blocks you'd easily cause an OOM just by tr

One easy way to achieve this is to store really large values, e.g. 10 Mb per row. Since ClickHouse operates in large blocks you'd easily cause an OOM just by trying to read chunks of 8192 rows (the default) at a time, especially during merges, where it needs to read large blocks from several parts at once