diff --git a/crates/sui-config/src/node.rs b/crates/sui-config/src/node.rs
index dd9a96537df72..2074185a6318b 100644
--- a/crates/sui-config/src/node.rs
+++ b/crates/sui-config/src/node.rs
@@ -874,7 +874,7 @@ pub struct AuthorityOverloadConfig {
 }
 
 fn default_max_txn_age_in_queue() -> Duration {
-    Duration::from_secs(1)
+    Duration::from_millis(200)
 }
 
 fn default_overload_monitor_interval() -> Duration {
@@ -910,7 +910,7 @@ fn default_max_transaction_manager_queue_length() -> usize {
 }
 
 fn default_max_transaction_manager_per_object_queue_length() -> usize {
-    100
+    20
 }
 
 impl Default for AuthorityOverloadConfig {
diff --git a/crates/sui-swarm-config/tests/snapshots/snapshot_tests__network_config_snapshot_matches.snap b/crates/sui-swarm-config/tests/snapshots/snapshot_tests__network_config_snapshot_matches.snap
index c54b2309a9313..b0c734cf3a4e7 100644
--- a/crates/sui-swarm-config/tests/snapshots/snapshot_tests__network_config_snapshot_matches.snap
+++ b/crates/sui-swarm-config/tests/snapshots/snapshot_tests__network_config_snapshot_matches.snap
@@ -145,8 +145,8 @@ validator_configs:
         - Twitch
     authority-overload-config:
       max-txn-age-in-queue:
-        secs: 1
-        nanos: 0
+        secs: 0
+        nanos: 200000000
       overload-monitor-interval:
         secs: 10
         nanos: 0
@@ -161,7 +161,7 @@ validator_configs:
       safe-transaction-ready-rate: 100
       check-system-overload-at-signing: true
       max-transaction-manager-queue-length: 100000
-      max-transaction-manager-per-object-queue-length: 100
+      max-transaction-manager-per-object-queue-length: 20
     execution-cache:
       writeback-cache:
         max_cache_size: ~
@@ -315,8 +315,8 @@ validator_configs:
         - Twitch
     authority-overload-config:
       max-txn-age-in-queue:
-        secs: 1
-        nanos: 0
+        secs: 0
+        nanos: 200000000
       overload-monitor-interval:
         secs: 10
         nanos: 0
@@ -331,7 +331,7 @@ validator_configs:
       safe-transaction-ready-rate: 100
       check-system-overload-at-signing: true
       max-transaction-manager-queue-length: 100000
-      max-transaction-manager-per-object-queue-length: 100
+      max-transaction-manager-per-object-queue-length: 20
     execution-cache:
       writeback-cache:
         max_cache_size: ~
@@ -485,8 +485,8 @@ validator_configs:
         - Twitch
     authority-overload-config:
       max-txn-age-in-queue:
-        secs: 1
-        nanos: 0
+        secs: 0
+        nanos: 200000000
       overload-monitor-interval:
         secs: 10
         nanos: 0
@@ -501,7 +501,7 @@ validator_configs:
       safe-transaction-ready-rate: 100
       check-system-overload-at-signing: true
       max-transaction-manager-queue-length: 100000
-      max-transaction-manager-per-object-queue-length: 100
+      max-transaction-manager-per-object-queue-length: 20
     execution-cache:
       writeback-cache:
         max_cache_size: ~
@@ -655,8 +655,8 @@ validator_configs:
         - Twitch
     authority-overload-config:
       max-txn-age-in-queue:
-        secs: 1
-        nanos: 0
+        secs: 0
+        nanos: 200000000
       overload-monitor-interval:
         secs: 10
         nanos: 0
@@ -671,7 +671,7 @@ validator_configs:
       safe-transaction-ready-rate: 100
       check-system-overload-at-signing: true
       max-transaction-manager-queue-length: 100000
-      max-transaction-manager-per-object-queue-length: 100
+      max-transaction-manager-per-object-queue-length: 20
     execution-cache:
       writeback-cache:
         max_cache_size: ~
@@ -825,8 +825,8 @@ validator_configs:
         - Twitch
     authority-overload-config:
       max-txn-age-in-queue:
-        secs: 1
-        nanos: 0
+        secs: 0
+        nanos: 200000000
       overload-monitor-interval:
         secs: 10
         nanos: 0
@@ -841,7 +841,7 @@ validator_configs:
       safe-transaction-ready-rate: 100
       check-system-overload-at-signing: true
       max-transaction-manager-queue-length: 100000
-      max-transaction-manager-per-object-queue-length: 100
+      max-transaction-manager-per-object-queue-length: 20
     execution-cache:
       writeback-cache:
         max_cache_size: ~
@@ -995,8 +995,8 @@ validator_configs:
         - Twitch
     authority-overload-config:
       max-txn-age-in-queue:
-        secs: 1
-        nanos: 0
+        secs: 0
+        nanos: 200000000
       overload-monitor-interval:
         secs: 10
         nanos: 0
@@ -1011,7 +1011,7 @@ validator_configs:
       safe-transaction-ready-rate: 100
       check-system-overload-at-signing: true
       max-transaction-manager-queue-length: 100000
-      max-transaction-manager-per-object-queue-length: 100
+      max-transaction-manager-per-object-queue-length: 20
     execution-cache:
       writeback-cache:
         max_cache_size: ~
@@ -1165,8 +1165,8 @@ validator_configs:
         - Twitch
     authority-overload-config:
       max-txn-age-in-queue:
-        secs: 1
-        nanos: 0
+        secs: 0
+        nanos: 200000000
       overload-monitor-interval:
         secs: 10
         nanos: 0
@@ -1181,7 +1181,7 @@ validator_configs:
       safe-transaction-ready-rate: 100
       check-system-overload-at-signing: true
       max-transaction-manager-queue-length: 100000
-      max-transaction-manager-per-object-queue-length: 100
+      max-transaction-manager-per-object-queue-length: 20
     execution-cache:
       writeback-cache:
         max_cache_size: ~