ClickHouse/dbms/tests/performance/uniq.xml

<test>
    <name>uniq</name>
    <type>loop</type>

    <preconditions>
        <table_exists>hits_100m_single</table_exists>
        <ram_size>30000000000</ram_size>
    </preconditions>

    <stop_conditions>
        <any_of>
            <min_time_not_changing_for_ms>5000</min_time_not_changing_for_ms>
            <total_time_ms>20000</total_time_ms>
        </any_of>
    </stop_conditions>

    <main_metric>
        <min_time/>
    </main_metric>

    <settings>
        <max_memory_usage>30000000000</max_memory_usage>
    </settings>

    <substitutions>
        <substitution>
           <name>key</name>
           <values>
               <value>1</value>
               <value>SearchEngineID</value>
               <value>RegionID</value>
               <value>SearchPhrase</value>
               <value>ClientIP</value>
           </values>
       </substitution>
        <substitution>
           <name>func</name>
           <values>
               <value>sum</value>
               <value>uniq</value>
               <value>uniqExact</value>
               <value>uniqHLL12</value>
               <value>uniqCombined(12)</value>
               <value>uniqCombined(13)</value>
               <value>uniqCombined(14)</value>
               <value>uniqCombined(15)</value>
               <value>uniqCombined(16)</value>
               <value>uniqCombined(17)</value>
               <value>uniqCombined(18)</value>
               <value>uniqCombined(19)</value>
               <value>uniqCombined(20)</value>
               <value>uniqUpTo(3)</value>
               <value>uniqUpTo(5)</value>
               <value>uniqUpTo(10)</value>
               <value>uniqUpTo(25)</value>
               <value>uniqUpTo(100)</value>
           </values>
       </substitution>
    </substitutions>

    <query>SELECT {key} AS k, {func}(UserID) FROM hits_100m_single GROUP BY k</query>
</test>