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update remerge_sort_lowered_memory_bytes_ratio

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Nickita Taranov 2022-03-29 19:51:58 +02:00
parent a39427f00b
commit 5590f78dfe
1 changed files with 2 additions and 2 deletions
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4
tests/queries/0_stateless/01600_remerge_sort_lowered_memory_bytes_ratio.sql
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@ -10,8 +10,8 @@ set max_block_size=40960;
-- MergeSortingTransform: Re-merging intermediate ORDER BY data (20 blocks with 819200 rows) to save memory consumption
-- MergeSortingTransform: Memory usage is lowered from 186.25 MiB to 95.00 MiB
-- MergeSortingTransform: Re-merging is not useful (memory usage was not lowered by remerge_sort_lowered_memory_bytes_ratio=2.0)
select number k, repeat(toString(number), 11) v1, repeat(toString(number), 12) v2 from numbers(3e6) order by k limit 400e3 format Null; -- { serverError 241 }}
select number k, repeat(toString(number), 11) v1, repeat(toString(number), 12) v2 from numbers(3e6) order by k limit 400e3 settings remerge_sort_lowered_memory_bytes_ratio=2. format Null;
select repeat(toString(number), 11) v1, repeat(toString(number), 12) v2 from numbers(3e6) order by v1, v2 limit 400e3 format Null; -- { serverError 241 }
select repeat(toString(number), 11) v1, repeat(toString(number), 12) v2 from numbers(3e6) order by v1, v2 limit 400e3 settings remerge_sort_lowered_memory_bytes_ratio=2. format Null; -- { serverError 241 }
-- remerge_sort_lowered_memory_bytes_ratio 1.9 is good (need at least 1.91/0.98=1.94)
-- MergeSortingTransform: Re-merging intermediate ORDER BY data (20 blocks with 819200 rows) to save memory consumption