tests: fix flaky 02350_views_max_insert_threads

korowa · korowa · commit c6876ae56def · 2026-01-25T11:03:16.000+02:00
According to the logs, stateless tests have concurrency
control enabled, and even --no-parallel not always helps
to acquire 10 threads for the query execution.

The fix is to disable concurrency control for the insert
query, to allow always plan max_threads for it.
diff --git a/tests/queries/0_stateless/02350_views_max_insert_threads.sql b/tests/queries/0_stateless/02350_views_max_insert_threads.sql
@@ -7,7 +7,13 @@ drop table if exists t_mv;
 create table t (a UInt64) Engine = Null;
 create materialized view t_mv Engine = Null AS select now() as ts, max(a) from t group by ts;
 
-insert into t select * from numbers_mt(10e6) settings max_threads = 10, max_insert_threads=10, max_block_size=100000, parallel_view_processing=1;
+insert into t select * from numbers_mt(10e6)
+settings max_threads=10,
+         max_insert_threads=10,
+         max_block_size=100000,
+         parallel_view_processing=1,
+         use_concurrency_control=0;
+
 system flush logs query_log;
 
 select peak_threads_usage>=10 from system.query_log where
