From e9e4ab3813a9a2321ca126c4f313780e5b73abc1 Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Sat, 24 Apr 2021 03:27:23 +0300
Subject: [PATCH] Less chance of OOM in stress tests

---
 docker/test/stress/run.sh | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/docker/test/stress/run.sh b/docker/test/stress/run.sh
index 74a88df21e0..43a92fdeebe 100755
--- a/docker/test/stress/run.sh
+++ b/docker/test/stress/run.sh
@@ -20,6 +20,14 @@ function configure()
 
     # since we run clickhouse from root
     sudo chown root: /var/lib/clickhouse
+
+    # Set more frequent update period of asynchronous metrics to more frequently update information about real memory usage (less chance of OOM).
+    echo "<yandex><asynchronous_metrics_update_period_s>1</asynchronous_metrics_update_period_s></yandex>" \
+        > /etc/clickhouse-server/config.d/asynchronous_metrics_update_period_s.xml
+
+    # Set maximum memory usage as half of total memory (less chance of OOM).
+    echo "<yandex><max_server_memory_usage_to_ram_ratio>0.5</max_server_memory_usage_to_ram_ratio></yandex>" \
+        > /etc/clickhouse-server/config.d/max_server_memory_usage_to_ram_ratio.xml
 }
 
 function stop()