Merge pull request #5859 from andrwng/5713

upgrade_test: reduce workload throughput

tests/rptest/tests/upgrade_test.py

@@ -104,7 +104,11 @@ def setUp(self):
         super(UpgradeWithWorkloadTest, self).setUp()
         # Start at a version that supports rolling restarts.
         self.initial_version = (22, 1, 3)
-        self.producer_msgs_per_sec = 200
+
+        # Use a relatively low throughput to give the restarted node a chance
+        # to catch up. If the node is particularly slow compared to the others
+        # (e.g. a locally-built debug binary), catching up can take a while.
+        self.producer_msgs_per_sec = 10
         install_opts = InstallOptions(version=self.initial_version)
         self.start_redpanda(num_nodes=3, install_opts=install_opts)
         self.installer = self.redpanda._installer