From f194f4723c7b40bf55c784f13cdf87b3311d2456 Mon Sep 17 00:00:00 2001
From: Marek Siarkowicz <siarkowicz@google.com>
Date: Wed, 14 Aug 2024 17:44:57 +0200
Subject: [PATCH] Reduce number of concurrent clients to 8 and compactions to
 avoid flakes

Not hitting minimal QPS is expected to be caused by introduction of
compation. Let's avoid it for high throughput test cases.

Reducing number of clients to avoid linearization timeouts.

Signed-off-by: Marek Siarkowicz <siarkowicz@google.com>
---
 tests/robustness/traffic/etcd.go       | 9 +++++----
 tests/robustness/traffic/kubernetes.go | 9 +++++----
 tests/robustness/traffic/traffic.go    | 2 +-
 3 files changed, 11 insertions(+), 9 deletions(-)

diff --git a/tests/robustness/traffic/etcd.go b/tests/robustness/traffic/etcd.go
index 582d5f1b6..643cd299f 100644
--- a/tests/robustness/traffic/etcd.go
+++ b/tests/robustness/traffic/etcd.go
@@ -34,6 +34,7 @@ var (
 		keyCount:     10,
 		leaseTTL:     DefaultLeaseTTL,
 		largePutSize: 32769,
+		// Please keep the sum of weights equal 100.
 		requests: []random.ChoiceWeight[etcdRequestType]{
 			{Choice: Get, Weight: 15},
 			{Choice: List, Weight: 15},
@@ -44,15 +45,16 @@ var (
 			{Choice: PutWithLease, Weight: 5},
 			{Choice: LeaseRevoke, Weight: 5},
 			{Choice: CompareAndSet, Weight: 5},
-			{Choice: Put, Weight: 15},
+			{Choice: Put, Weight: 18},
 			{Choice: LargePut, Weight: 5},
-			{Choice: Compact, Weight: 5},
+			{Choice: Compact, Weight: 2},
 		},
 	}
 	EtcdPut Traffic = etcdTraffic{
 		keyCount:     10,
 		largePutSize: 32769,
 		leaseTTL:     DefaultLeaseTTL,
+		// Please keep the sum of weights equal 100.
 		requests: []random.ChoiceWeight[etcdRequestType]{
 			{Choice: Get, Weight: 15},
 			{Choice: List, Weight: 15},
@@ -60,8 +62,7 @@ var (
 			{Choice: StaleList, Weight: 10},
 			{Choice: MultiOpTxn, Weight: 5},
 			{Choice: LargePut, Weight: 5},
-			{Choice: Put, Weight: 35},
-			{Choice: Compact, Weight: 5},
+			{Choice: Put, Weight: 40},
 		},
 	}
 )
diff --git a/tests/robustness/traffic/kubernetes.go b/tests/robustness/traffic/kubernetes.go
index 1d5c0fb0f..d49f8b0d1 100644
--- a/tests/robustness/traffic/kubernetes.go
+++ b/tests/robustness/traffic/kubernetes.go
@@ -37,11 +37,12 @@ var (
 		averageKeyCount: 10,
 		resource:        "pods",
 		namespace:       "default",
+		// Please keep the sum of weights equal 1000.
 		writeChoices: []random.ChoiceWeight[KubernetesRequestType]{
-			{Choice: KubernetesUpdate, Weight: 85},
-			{Choice: KubernetesDelete, Weight: 5},
-			{Choice: KubernetesCreate, Weight: 5},
-			{Choice: KubernetesCompact, Weight: 5},
+			{Choice: KubernetesUpdate, Weight: 875},
+			{Choice: KubernetesDelete, Weight: 50},
+			{Choice: KubernetesCreate, Weight: 50},
+			{Choice: KubernetesCompact, Weight: 25},
 		},
 	}
 )
diff --git a/tests/robustness/traffic/traffic.go b/tests/robustness/traffic/traffic.go
index 7f8610963..fb4792a1d 100644
--- a/tests/robustness/traffic/traffic.go
+++ b/tests/robustness/traffic/traffic.go
@@ -45,7 +45,7 @@ var (
 	HighTrafficProfile = Profile{
 		MinimalQPS:                     200,
 		MaximalQPS:                     1000,
-		ClientCount:                    10,
+		ClientCount:                    8,
 		MaxNonUniqueRequestConcurrency: 3,
 	}
 )