Add idle compute restart time test

test_runner/performance/test_startup.py

@@ -0,0 +1,48 @@
+from contextlib import closing
+
+from fixtures.zenith_fixtures import ZenithEnvBuilder
+from fixtures.benchmark_fixture import ZenithBenchmarker
+
+
+def test_startup(zenith_env_builder: ZenithEnvBuilder, zenbenchmark: ZenithBenchmarker):
+    zenith_env_builder.num_safekeepers = 3
+    env = zenith_env_builder.init_start()
+
+    # Start
+    env.zenith_cli.create_branch('test_startup')
+    with zenbenchmark.record_duration("startup_time"):
+        pg = env.postgres.create_start('test_startup')
+        pg.safe_psql("select 1;")
+
+    # Restart
+    pg.stop_and_destroy()
+    with zenbenchmark.record_duration("restart_time"):
+        pg.create_start('test_startup')
+        pg.safe_psql("select 1;")
+
+    # Fill up
+    num_rows = 1000000  # 30 MB
+    num_tables = 100
+    with closing(pg.connect()) as conn:
+        with conn.cursor() as cur:
+            for i in range(num_tables):
+                cur.execute(f'create table t_{i} (i integer);')
+                cur.execute(f'insert into t_{i} values (generate_series(1,{num_rows}));')
+
+    # Read
+    with zenbenchmark.record_duration("read_time"):
+        pg.safe_psql("select * from t_0;")
+
+    # Read again
+    with zenbenchmark.record_duration("second_read_time"):
+        pg.safe_psql("select * from t_0;")
+
+    # Restart
+    pg.stop_and_destroy()
+    with zenbenchmark.record_duration("restart_with_data"):
+        pg.create_start('test_startup')
+        pg.safe_psql("select 1;")
+
+    # Read
+    with zenbenchmark.record_duration("read_after_restart"):
+        pg.safe_psql("select * from t_0;")