ClickHouse/tests/performance/grace_hash_join.xml

<test>
    <settings>
        <max_threads>16</max_threads>
        <max_memory_usage>10G</max_memory_usage>
    </settings>

    <substitutions>
        <substitution>
            <name>settings</name>
            <values>
                <value>join_algorithm='hash'</value>
                <value>join_algorithm='parallel_hash'</value>
                <value>join_algorithm='partial_merge', max_bytes_in_join='1G'</value>
                <value>join_algorithm='grace_hash', max_bytes_in_join='100M'</value>
            </values>
        </substitution>
    </substitutions>

    <query short='numbers'>SELECT sum(n) FROM (SELECT number * 2 AS n FROM numbers_mt(10000000)) AS lhs JOIN (SELECT number * 3 AS n FROM numbers_mt(10000000)) AS rhs USING (n) SETTINGS {settings} FORMAT Null</query>
    <query short='numbers_hashed'>SELECT sum(n) FROM (SELECT intHash64(number * 2) AS n FROM numbers_mt(10000000)) AS lhs JOIN (SELECT intHash64(number * 3) AS n FROM numbers_mt(10000000)) AS rhs USING (n) SETTINGS {settings} FORMAT Null</query>
</test>