ClickHouse/tests/performance/hash_table_sizes_stats_small.xml

<test>
    <settings>
        <collect_hash_table_stats_during_aggregation>1</collect_hash_table_stats_during_aggregation>
    </settings>

    <substitutions>
        <substitution>
            <name>size</name>
            <values>
                <value>100000</value>
                <value>200000</value>
                <value>300000</value>
                <value>400000</value>
                <value>500000</value>
                <value>600000</value>
                <value>700000</value>
                <value>800000</value>
                <value>900000</value>
                <value>1000000</value>
                <value>1500000</value>
                <value>2000000</value>
                <value>2500000</value>
                <value>3000000</value>
            </values>
        </substitution>
    </substitutions>

    <query>select number from numbers({size}) group by number format Null</query>
    <query>select number from numbers_mt({size}) group by number format Null</query>
</test>