diff --git a/web3_proxy/src/app/mod.rs b/web3_proxy/src/app/mod.rs
index 2530cda3..625f0385 100644
--- a/web3_proxy/src/app/mod.rs
+++ b/web3_proxy/src/app/mod.rs
@@ -1198,8 +1198,9 @@ impl Web3ProxyApp {
                 Err(err) => {
                     tries += 1;
                     if tries < max_tries {
-                        // try again
-                        yield_now().await;
+                        // try again after a short delay
+                        // TODO: tune this delay
+                        sleep(Duration::from_millis(100)).await;
 
                         continue;
                     }
@@ -1340,13 +1341,15 @@ impl Web3ProxyApp {
                 Some(bundler_4337_rpcs) => {
                     // TODO: timeout
                     let x = bundler_4337_rpcs
-                        .try_proxy_connection::<_, Box<RawValue>>(
+                        .try_send_all_synced_connections::<Box<RawValue>>(
                             method,
                             params,
                             Some(request_metadata),
+                            None,
+                            None,
                             Some(Duration::from_secs(30)),
-                            None,
-                            None,
+                            Some(Level::DEBUG.into()),
+                            Some(1),
                         )
                         .await?;
 
diff --git a/web3_proxy/src/rpcs/many.rs b/web3_proxy/src/rpcs/many.rs
index 9faeb88b..d2f8a214 100644
--- a/web3_proxy/src/rpcs/many.rs
+++ b/web3_proxy/src/rpcs/many.rs
@@ -365,9 +365,7 @@ impl Web3Rpcs {
             let handle = tokio::task::Builder::default()
                 .name("noop")
                 .spawn(async move {
-                    loop {
-                        sleep(Duration::from_secs(600)).await;
-                    }
+                    futures::future::pending::<()>().await;
                 })?;
 
             futures.push(flatten_handle(handle));
diff --git a/web3_proxy/src/test_utils/influx.rs b/web3_proxy/src/test_utils/influx.rs
index 6ee7782d..0cb0715b 100644
--- a/web3_proxy/src/test_utils/influx.rs
+++ b/web3_proxy/src/test_utils/influx.rs
@@ -158,7 +158,7 @@ impl TestInflux {
                 break;
             };
 
-            // not open wait. sleep and then try again
+            // not open yet. sleep and then try again
             sleep(Duration::from_secs(1)).await;
         }
 
diff --git a/web3_proxy/src/test_utils/mysql.rs b/web3_proxy/src/test_utils/mysql.rs
index e67e48f6..59b9856b 100644
--- a/web3_proxy/src/test_utils/mysql.rs
+++ b/web3_proxy/src/test_utils/mysql.rs
@@ -127,7 +127,7 @@ impl TestMysql {
                 break;
             };
 
-            // not open wait. sleep and then try again
+            // not open yet. sleep and then try again
             sleep(Duration::from_secs(1)).await;
         }