mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-22 23:52:03 +00:00
0f8aec59a3
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
```
12 lines
409 B
XML
12 lines
409 B
XML
<test max_ignored_relative_change="0.2">
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<!-- gcc-8 generates 20% faster code than gcc-9
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clang-8 generates more than two times slower code than gcc
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-->
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<create_query>CREATE TABLE empty_strings (s String) ENGINE = Log;</create_query>
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<query>INSERT INTO empty_strings SELECT '' FROM zeros(100000000);</query>
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<drop_query>DROP TABLE IF EXISTS empty_strings</drop_query>
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</test>
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