diff --git a/test-cases/scale/scale-cluster.yaml b/test-cases/scale/scale-cluster.yaml
index 26784896a4..a031b60975 100644
--- a/test-cases/scale/scale-cluster.yaml
+++ b/test-cases/scale/scale-cluster.yaml
@@ -1,9 +1,9 @@
 test_duration: 600
 # 128KB row (16 * 8192), 244GB dataset (2M rows * 128KB)
-prepare_write_cmd:  [ "cassandra-stress write cl=ALL n=500000 -schema 'replication(strategy=NetworkTopologyStrategy,replication_factor=3)' -mode cql3 native -rate threads=100 -pop seq=1..500000          -col 'n=FIXED(16) size=FIXED(8192)' -log interval=5",
-                      "cassandra-stress write cl=ALL n=500000 -schema 'replication(strategy=NetworkTopologyStrategy,replication_factor=3)' -mode cql3 native -rate threads=100 -pop seq=500001..1000000   -col 'n=FIXED(16) size=FIXED(8192)' -log interval=5",
-                      "cassandra-stress write cl=ALL n=500000 -schema 'replication(strategy=NetworkTopologyStrategy,replication_factor=3)' -mode cql3 native -rate threads=100 -pop seq=1000001..1500000  -col 'n=FIXED(16) size=FIXED(8192)' -log interval=5",
-                      "cassandra-stress write cl=ALL n=500000 -schema 'replication(strategy=NetworkTopologyStrategy,replication_factor=3)' -mode cql3 native -rate threads=100 -pop seq=1500001..2000000  -col 'n=FIXED(16) size=FIXED(8192)' -log interval=5"
+prepare_write_cmd:  [ "cassandra-stress write cl=ALL n=500000 -schema 'replication(strategy=NetworkTopologyStrategy,replication_factor=3)' -mode cql3 native -rate threads=25 -pop seq=1..500000          -col 'n=FIXED(16) size=FIXED(8192)' -log interval=5",
+                      "cassandra-stress write cl=ALL n=500000 -schema 'replication(strategy=NetworkTopologyStrategy,replication_factor=3)' -mode cql3 native -rate threads=25 -pop seq=500001..1000000   -col 'n=FIXED(16) size=FIXED(8192)' -log interval=5",
+                      "cassandra-stress write cl=ALL n=500000 -schema 'replication(strategy=NetworkTopologyStrategy,replication_factor=3)' -mode cql3 native -rate threads=25 -pop seq=1000001..1500000  -col 'n=FIXED(16) size=FIXED(8192)' -log interval=5",
+                      "cassandra-stress write cl=ALL n=500000 -schema 'replication(strategy=NetworkTopologyStrategy,replication_factor=3)' -mode cql3 native -rate threads=25 -pop seq=1500001..2000000  -col 'n=FIXED(16) size=FIXED(8192)' -log interval=5"
                     ]
 
 stress_cmd: [ "cassandra-stress mixed cl=QUORUM duration=180m -schema 'replication(strategy=NetworkTopologyStrategy,replication_factor=3)' -mode cql3 native -rate threads=25 -pop seq=1..500000          -col 'n=FIXED(16) size=FIXED(8192)' -log interval=5",