Add support for specifying the maxVUs for the load tester

Also increase the default to 100 to account for higher latency on devnet

[static]

Signed-off-by: Nicu Reut <nicu.reut@digitalasset.com>

Author: nicu-da

cluster/deployment/mock/config.yaml

@@ -120,6 +120,7 @@ loadTester:
   iterationsPerMinute: 30
   minRate: 0.123
   chartVersion: 1.2.3
+  maxVUs: 30
   adaptiveScenario:
     enabled: true
 svs:

cluster/pulumi/canton-network/src/scheduleLoadGenerator.ts

@@ -84,6 +84,7 @@ export function scheduleLoadGenerator(auth0Client: Auth0Client, dependencies: Re
           test: {
             duration: `365d`,
             iterationsPerMinute: loadTesterConfig.iterationsPerMinute,
+            maxVUs: loadTesterConfig.maxVUs,
           },
           adaptiveScenario: loadTesterConfig.adaptiveScenario,
         }),

cluster/pulumi/common/src/config/loadTesterConfig.ts

@@ -19,6 +19,7 @@ export const LoadTesterConfigSchema = z.object({
       chartVersion: z.string().optional(),
       minRate: z.number().default(0.9),
       iterationsPerMinute: z.number().default(60),
+      maxVUs: z.number().optional(),
       adaptiveScenario: LoadTesterAdaptiveScenarioConfigSchema.default({}),
     })
     .optional(),

load-tester/src/settings.ts

@@ -40,7 +40,7 @@ export const configSchema = z.object({
     duration: z.string().min(1),
     iterationsPerMinute: z.coerce.number().min(1),
     preAllocatedVUs: z.coerce.number().default(20),
-    maxVUs: z.coerce.number().default(50),
+    maxVUs: z.coerce.number().default(100),
   }),
   adaptiveScenario: z.object({
     enabled: z.boolean(),