Optimize memory usage for CMS functional tests (#8846)

Author: pixcc

ydb/tests/functional/cms/test_cms_restart.py

@@ -27,7 +27,6 @@ class AbstractLocalClusterTest(object):
     @classmethod
     def setup_class(cls):
         nodes_count = 8 if cls.erasure == Erasure.BLOCK_4_2 else 9
-        nodes_count *= 2
         configurator = KikimrConfigGenerator(cls.erasure,
                                              nodes=nodes_count,
                                              use_in_memory_pdisks=False,

ydb/tests/functional/cms/test_cms_state_storage.py

@@ -23,10 +23,11 @@ class AbstractLocalClusterTest(object):
     @classmethod
     def setup_class(cls):
         configurator = KikimrConfigGenerator(Erasure.NONE,
-                                             nodes=27,
+                                             nodes=5,
                                              use_in_memory_pdisks=False,
                                              additional_log_configs={'CMS': LogLevels.DEBUG},
-                                             state_storage_rings=[[n, n + 1, n + 2] for n in range(1, 27, 3)]
+                                             state_storage_rings=list(range(1, 6)),
+                                             n_to_select=5,
                                              )
         cls.cluster = kikimr_cluster_factory(configurator=configurator)
         cls.cluster.start()

ydb/tests/functional/cms/ya.make

@@ -12,7 +12,7 @@ TEST_SRCS(
 SPLIT_FACTOR(10)
 
 IF (SANITIZER_TYPE)
-    REQUIREMENTS(ram:32)
+    REQUIREMENTS(ram:16)
 ENDIF()
 
 IF (SANITIZER_TYPE == "thread")