diff --git a/tests/queries/0_stateless/01238_http_memory_tracking.reference b/tests/queries/0_stateless/01238_http_memory_tracking.reference
index 5caff40c4a0..83b33d238da 100644
--- a/tests/queries/0_stateless/01238_http_memory_tracking.reference
+++ b/tests/queries/0_stateless/01238_http_memory_tracking.reference
@@ -1 +1 @@
-10000
+1000
diff --git a/tests/queries/0_stateless/01238_http_memory_tracking.sh b/tests/queries/0_stateless/01238_http_memory_tracking.sh
index e2d6646e20a..508a15a536f 100755
--- a/tests/queries/0_stateless/01238_http_memory_tracking.sh
+++ b/tests/queries/0_stateless/01238_http_memory_tracking.sh
@@ -3,27 +3,17 @@
 CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 . $CURDIR/../shell_config.sh
 
-# Don't even try to do run under sanitizers, since they are too slow.
-${CLICKHOUSE_LOCAL} --query "SELECT max(value LIKE '%sanitize%') FROM system.build_options" | grep -q '1' && echo 'Skip test for sanitizer build' && exit
-
-# TODO: the test can be way more optimal
-
 set -o pipefail
 
-function execute_null()
-{
-    ${CLICKHOUSE_CLIENT} --format Null -n "$@"
-}
-
 # This is needed to keep at least one running query for user for the time of test.
-# (10k http queries takes 10seconds, let's run for 3x more to avoid flaps)
-execute_null <<<'SELECT sleepEachRow(1) FROM numbers(30)' &
+# (1k http queries takes ~1 second, let's run for 5x more to avoid flaps)
+${CLICKHOUSE_CLIENT} --format Null -n <<<'SELECT sleepEachRow(1) FROM numbers(5)' &
 
 # ignore "yes: standard output: Broken pipe"
 yes 'SELECT 1' 2>/dev/null | {
-    head -n10000
+    head -n1000
 } | {
-    xargs -P10000 -i ${CLICKHOUSE_CURL} -sS "${CLICKHOUSE_URL}&wait_end_of_query=1&max_memory_usage_for_user=$((10<<30))" -d '{}'
+    xargs -i ${CLICKHOUSE_CURL} -sS "${CLICKHOUSE_URL}&wait_end_of_query=1&max_memory_usage_for_user=$((1<<30))" -d '{}'
 } | grep -x -c 1
 
 wait