diff --git a/core/src/rpc_service.rs b/core/src/rpc_service.rs
index 8aa8ef8571..bde8e73671 100644
--- a/core/src/rpc_service.rs
+++ b/core/src/rpc_service.rs
@@ -358,10 +358,16 @@ impl JsonRpcService {
 
         let ledger_path = ledger_path.to_path_buf();
 
-        let runtime01 = {
-            use tokio_01::runtime::{Builder as RuntimeBuilder, Runtime, TaskExecutor};
-            RuntimeBuilder::new()
-                .name_prefix("rpc")
+        // sadly, some parts of our current rpc implemention block the jsonrpc's
+        // _socket-listening_ event loop for too long, due to (blocking) long IO or intesive CPU,
+        // causing no further processing of incoming requests and ultimatily innocent clients timing-out.
+        // So create a (shared) multi-threaded event_loop for jsonrpc and set its .threads() to 1,
+        // so that we avoid the single-threaded event loops from being created automatically by
+        // jsonrpc for threads when .threads(N > 1) is given.
+        let event_loop = {
+            tokio_01::runtime::Builder::new()
+                .core_threads(rpc_threads)
+                .name_prefix("sol-rpc-el")
                 .build()
                 .unwrap()
         };
@@ -384,7 +390,7 @@ impl JsonRpcService {
                     io,
                     move |_req: &hyper::Request<hyper::Body>| request_processor.clone(),
                 )
-                .event_loop_executor(runtime01.executor())
+                .event_loop_executor(event_loop.executor())
                 .threads(1)
                 .cors(DomainsValidation::AllowOnly(vec![
                     AccessControlAllowOrigin::Any,