ClickHouse/tests/performance/push_down_limit.xml

<test max_ignored_relative_change="0.3">
    <query>select number from (select number from numbers(10000000) order by -number) limit 10</query>
    <query>select number from (select number from numbers_mt(100000000) order by -number) limit 10</query>
</test>
Adjust ignore thresholds for unstable perf tests Based on historical data. ``` SELECT test, ceil(max(q[3]), 1) AS h FROM ( SELECT test, query_index, count(), min(event_time), max(event_time) AS t, arrayMap(x -> floor(x, 3), quantiles(0, 0.5, 0.95, 1)(stat_threshold)) AS q, median(stat_threshold) AS m FROM perftest.query_metrics WHERE (metric = 'client_time') AND (abs(diff) < 0.05) GROUP BY test, query_index, query_display_name HAVING (t > '2020-09-01 00:00:00') AND (m > 0.1) ORDER BY m DESC ) GROUP BY test ORDER BY h DESC FORMAT TSV cryptographic_hashes 1.3 collations 0.8 joins_in_memory_pmj 0.8 joins_in_memory 0.7 merge_tree_simple_select 0.7 set_index 0.7 decimal_casts 0.7 website 0.6 logical_functions_medium 0.5 count 0.5 merge_tree_many_partitions 0.5 decimal_aggregates 0.5 codecs_int_insert 0.5 column_column_comparison 0.5 insert_parallel 0.4 parse_engine_file 0.4 read_in_order_many_parts 0.4 logical_functions_small 0.4 parallel_insert 0.3 parallel_index 0.3 push_down_limit 0.3 jit_large_requests 0.3 select_format 0.3 arithmetic 0.3 merge_tree_huge_pk 0.3 materialized_view_parallel_insert 0.3 columns_hashing 0.3 if_array_string 0.3 random_string 0.2 random_printable_ascii 0.2 set 0.2 empty_string_serialization 0.2 ``` To apply: ``` sed 's/^\(.\) \(.\)$/sed -i "s\/^<test.$\/<test max_ignored_relative_change="'"'"\2">\/g" tests\/performance\/\1.xml/g' ../bad.tsv \| bash ``` 2020-09-16 15:27:51 +00:00			`<test max_ignored_relative_change="0.3">`
Added perftest. 2020-07-29 12:32:59 +00:00			`<query>select number from (select number from numbers(10000000) order by -number) limit 10</query>`
			`<query>select number from (select number from numbers_mt(100000000) order by -number) limit 10</query>`
			`</test>`