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Added performance test in appreciation of #5797

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Alexey Milovidov 2019-07-07 03:19:29 +03:00
parent a1cfdf2a60
commit db0f1825b7
1 changed files with 42 additions and 0 deletions
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dbms/tests/performance/merge_table_streams.xml Normal file
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<test>
<type>loop</type>
<preconditions>
<table_exists>hits_100m_single</table_exists>
</preconditions>
<stop_conditions>
<all_of>
<total_time_ms>60000</total_time_ms>
<iterations>3</iterations>
</all_of>
<any_of>
<iterations>30</iterations>
</any_of>
</stop_conditions>
<main_metric>
<min_time/>
</main_metric>
<settings>
<max_threads>5</max_threads>
</settings>
<!-- Create four empty tables. We will test select from Merge table involving one real table and four empty tables.
In previous ClickHouse versions, with max_threads = 5, only one stream will be requested from each table,
and the query will be processed with just one thread.
-->
<create_query>CREATE TABLE merge_table_streams_1 AS hits_100m_single</create_query>
<create_query>CREATE TABLE merge_table_streams_2 AS hits_100m_single</create_query>
<create_query>CREATE TABLE merge_table_streams_3 AS hits_100m_single</create_query>
<create_query>CREATE TABLE merge_table_streams_4 AS hits_100m_single</create_query>
<query>SELECT UserID FROM merge(default, '^(hits_100m_single|merge_table_streams_\\d)$') WHERE UserID = 12345678901234567890</query>
<drop_query>DROP TABLE merge_table_streams_1</drop_query>
<drop_query>DROP TABLE merge_table_streams_2</drop_query>
<drop_query>DROP TABLE merge_table_streams_3</drop_query>
<drop_query>DROP TABLE merge_table_streams_4</drop_query>
</test>