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Add comments for 01281_group_by_limit_memory_tracking test

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This commit is contained in:
Azat Khuzhin 2020-06-09 11:17:38 +03:00
parent 1a6c1d1796
commit ba4d964388
1 changed files with 8 additions and 0 deletions
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8
tests/queries/0_stateless/01281_group_by_limit_memory_tracking.sh
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@ -20,6 +20,14 @@ function execute_null()
function execute_group_by() function execute_group_by()
{ {
# Peak memory usage for the main query (with GROUP BY) is ~100MiB (with
# max_threads=2 as here).
# So set max_memory_usage_for_user to 150MiB and if the memory tracking
# accounting will be incorrect then the second query will fail
#
# Note that we also need one running query for the user (sleep(3)), since
# max_memory_usage_for_user is installed to 0 once there are no more
# queries for user.
local opts=( local opts=(
--max_memory_usage_for_user=$((150<<20)) --max_memory_usage_for_user=$((150<<20))
--max_threads=2 --max_threads=2