--- config-2_1.yml	2022-05-30 12:01:09.000000000 -0400
+++ config-2_1.yml.MIDRES	2022-05-30 12:02:51.000000000 -0400
@@ -101,14 +101,14 @@
 j8_par_executor: &j8_par_executor
   executor:
     name: java8-executor
-    #exec_resource_class: xlarge
-  parallelism: 4
+    exec_resource_class: medium
+  parallelism: 25
 
 j8_small_par_executor: &j8_small_par_executor
   executor:
     name: java8-executor
-    #exec_resource_class: xlarge
-  parallelism: 1
+    exec_resource_class: large
+  parallelism: 10
 
 j8_small_executor: &j8_small_executor
   executor:
@@ -119,26 +119,38 @@
 j8_medium_par_executor: &j8_medium_par_executor
   executor:
     name: java8-executor
-    #exec_resource_class: xlarge
-  parallelism: 1
+    exec_resource_class: large
+  parallelism: 4
+
+j8_large_par_executor: &j8_large_par_executor
+  executor:
+    name: java8-executor
+    exec_resource_class: large
+  parallelism: 50
+
+j8_very_large_par_executor: &j8_very_large_par_executor
+  executor:
+    name: java8-executor
+    exec_resource_class: xlarge
+  parallelism: 100
 
 j8_seq_executor: &j8_seq_executor
   executor:
     name: java8-executor
-    #exec_resource_class: xlarge
+    exec_resource_class: medium
   parallelism: 1 # sequential, single container tests: no parallelism benefits
 
 j11_par_executor: &j11_par_executor
   executor:
     name: java11-executor
-    #exec_resource_class: xlarge
-  parallelism: 4
+    exec_resource_class: medium
+  parallelism: 25
 
 j11_small_par_executor: &j11_small_par_executor
   executor:
     name: java11-executor
-    #exec_resource_class: xlarge
-  parallelism: 1
+    #exec_resource_class: large
+  parallelism: 10
 
 j11_small_executor: &j11_small_executor
   executor:
@@ -146,35 +158,47 @@
     #exec_resource_class: medium
   parallelism: 1
 
+j11_large_par_executor: &j11_large_par_executor
+  executor:
+    name: java11-executor
+    exec_resource_class: large
+  parallelism: 50
+
 j8_repeated_utest_executor: &j8_repeated_utest_executor
   executor:
     name: java8-executor
-  parallelism: 4
+    exec_resource_class: medium
+  parallelism: 25
 
 j8_repeated_dtest_executor: &j8_repeated_dtest_executor
   executor:
     name: java8-executor
-  parallelism: 4
+    exec_resource_class: large
+  parallelism: 25
 
 j8_repeated_upgrade_dtest_executor: &j8_repeated_upgrade_dtest_executor
   executor:
     name: java8-executor
-  parallelism: 4
+    exec_resource_class: xlarge
+  parallelism: 25
 
 j8_repeated_jvm_upgrade_dtest_executor: &j8_repeated_jvm_upgrade_dtest_executor
   executor:
     name: java8-executor
-  parallelism: 4
+    exec_resource_class: large
+  parallelism: 25
 
 j11_repeated_utest_executor: &j11_repeated_utest_executor
   executor:
     name: java11-executor
-  parallelism: 4
+    exec_resource_class: medium
+  parallelism: 25
 
 j11_repeated_dtest_executor: &j11_repeated_dtest_executor
   executor:
     name: java11-executor
-  parallelism: 4
+    exec_resource_class: large
+  parallelism: 25
 
 j8_with_dtests_jobs: &j8_with_dtests_jobs
   jobs:
@@ -869,7 +893,7 @@
           target: testclasslist-system-keyspace-directory
 
   j8_dtests-with-vnodes:
-    <<: *j8_par_executor
+    <<: *j8_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -883,7 +907,7 @@
           pytest_extra_args: '--use-vnodes --num-tokens=16 --skip-resource-intensive-tests'
 
   j11_dtests-with-vnodes:
-    <<: *j11_par_executor
+    <<: *j11_large_par_executor
     steps:
     - attach_workspace:
         at: /home/cassandra
@@ -898,7 +922,7 @@
         pytest_extra_args: '--use-vnodes --num-tokens=16 --skip-resource-intensive-tests'
 
   j8_dtests-no-vnodes:
-    <<: *j8_par_executor
+    <<: *j8_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -912,7 +936,7 @@
           pytest_extra_args: '--skip-resource-intensive-tests'
 
   j11_dtests-no-vnodes:
-    <<: *j11_par_executor
+    <<: *j11_large_par_executor
     steps:
     - attach_workspace:
         at: /home/cassandra
@@ -927,7 +951,7 @@
         pytest_extra_args: '--skip-resource-intensive-tests'
 
   j8_upgradetests-no-vnodes:
-    <<: *j8_par_executor
+    <<: *j8_very_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -941,7 +965,7 @@
           pytest_extra_args: '--execute-upgrade-tests-only --upgrade-target-version-only --upgrade-version-selection all'
 
   j8_cqlsh-dtests-py2-with-vnodes:
-    <<: *j8_par_executor
+    <<: *j8_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -956,7 +980,7 @@
           extra_env_args: 'CQLSH_PYTHON=/usr/bin/python2.7'
 
   j8_cqlsh-dtests-py3-with-vnodes:
-    <<: *j8_par_executor
+    <<: *j8_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -971,7 +995,7 @@
           extra_env_args: 'CQLSH_PYTHON=/usr/bin/python3.6'
 
   j8_cqlsh-dtests-py38-with-vnodes:
-    <<: *j8_par_executor
+    <<: *j8_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -989,7 +1013,7 @@
           python_version: '3.8'
 
   j8_cqlsh-dtests-py2-no-vnodes:
-    <<: *j8_par_executor
+    <<: *j8_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -1004,7 +1028,7 @@
           extra_env_args: 'CQLSH_PYTHON=/usr/bin/python2.7'
 
   j8_cqlsh-dtests-py3-no-vnodes:
-    <<: *j8_par_executor
+    <<: *j8_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -1019,7 +1043,7 @@
           extra_env_args: 'CQLSH_PYTHON=/usr/bin/python3.6'
 
   j8_cqlsh-dtests-py38-no-vnodes:
-    <<: *j8_par_executor
+    <<: *j8_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -1037,7 +1061,7 @@
           python_version: '3.8'
 
   j11_cqlsh-dtests-py2-with-vnodes:
-    <<: *j11_par_executor
+    <<: *j11_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -1052,7 +1076,7 @@
           extra_env_args: 'CQLSH_PYTHON=/usr/bin/python2.7'
 
   j11_cqlsh-dtests-py3-with-vnodes:
-    <<: *j11_par_executor
+    <<: *j11_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -1067,7 +1091,7 @@
           extra_env_args: 'CQLSH_PYTHON=/usr/bin/python3.6'
 
   j11_cqlsh-dtests-py38-with-vnodes:
-    <<: *j11_par_executor
+    <<: *j11_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -1085,7 +1109,7 @@
           python_version: '3.8'
 
   j11_cqlsh-dtests-py2-no-vnodes:
-    <<: *j11_par_executor
+    <<: *j11_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -1100,7 +1124,7 @@
           extra_env_args: 'CQLSH_PYTHON=/usr/bin/python2.7'
 
   j11_cqlsh-dtests-py3-no-vnodes:
-    <<: *j11_par_executor
+    <<: *j11_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -1115,7 +1139,7 @@
           extra_env_args: 'CQLSH_PYTHON=/usr/bin/python3.6'
 
   j11_cqlsh-dtests-py38-no-vnodes:
-    <<: *j11_par_executor
+    <<: *j11_large_par_executor
     steps:
       - attach_workspace:
           at: /home/cassandra
@@ -1757,3 +1781,4 @@
       - store_artifacts:
           path: ~/cassandra-dtest/logs
           destination: dtest_logs
+