rptest: Updating parameters and test structure

Author: savex

tests/rptest/redpanda_cloud_tests/high_throughput_test.py

@@ -1161,18 +1161,20 @@ def test_ht004_minpartomb(self):
             OMBSampleConfigurations.E2E_LATENCY_AVG:
             [OMBSampleConfigurations.lte(145)],
         }
-        partitions_per_topic = self.config.partitions_max_scaled
+        partitions_per_topic = self.tier_config.partitions_min
+        per_producer_rate = self.tier_config.ingress_rate
+        msg_size = 16 * KiB
         workload = {
             "name": "HT004-MINPARTOMB",
             "topics": 1,
             "partitions_per_topic": partitions_per_topic,
             "subscriptions_per_topic": 1,
-            "consumer_per_subscription": 3,
+            "consumer_per_subscription": 2,
             "producers_per_topic": 1,
-            "producer_rate": int(self.config.ingress_rate_scaled / 8),
-            "message_size": 8 * KiB,
+            "producer_rate": per_producer_rate,
+            "message_size": msg_size,
             "consumer_backlog_size_GB": 0,
-            "test_duration_minutes": 1,
+            "test_duration_minutes": 30,
             "warmup_duration_minutes": 1,
             "use_randomized_payloads": True,
             "random_bytes_ratio": 0.5,