diff --git a/src/background.rs b/src/background.rs
index f0dbdcb..937062d 100644
--- a/src/background.rs
+++ b/src/background.rs
@@ -2,6 +2,8 @@ use core::future::Future;
 use std::pin::Pin;
 
 use futures::future::join_all;
+use futures::select;
+use futures_util::future::*;
 use std::sync::Arc;
 use tokio::sync::Mutex;
 use tokio::sync::{mpsc, watch, Notify};
@@ -88,7 +90,7 @@ impl BackgroundRunner {
 	}
 
 	async fn runner(self: Arc<Self>, i: usize) {
-		let stop_signal = self.stop_signal.clone();
+		let mut stop_signal = self.stop_signal.clone();
 		loop {
 			let must_exit: bool = *stop_signal.borrow();
 			if let Some(job) = self.dequeue_job(must_exit).await {
@@ -100,7 +102,10 @@ impl BackgroundRunner {
 					info!("Background runner {} exiting", i);
 					return;
 				}
-				self.job_notify.notified().await;
+				select! {
+					_ = self.job_notify.notified().fuse() => (),
+					_ = stop_signal.recv().fuse() => (),
+				}
 			}
 		}
 	}
diff --git a/src/rpc_client.rs b/src/rpc_client.rs
index a5c44a2..aeb6695 100644
--- a/src/rpc_client.rs
+++ b/src/rpc_client.rs
@@ -263,4 +263,3 @@ impl RpcHttpClient {
 		}
 	}
 }
-
diff --git a/src/rpc_server.rs b/src/rpc_server.rs
index 51661a6..bcf7496 100644
--- a/src/rpc_server.rs
+++ b/src/rpc_server.rs
@@ -47,16 +47,13 @@ where
 	let begin_time = Instant::now();
 	let whole_body = hyper::body::to_bytes(req.into_body()).await?;
 	let msg = rmp_serde::decode::from_read::<_, M>(whole_body.into_buf())?;
-	let req_str = debug_serialize(&msg);
 	match handler(msg, sockaddr).await {
 		Ok(resp) => {
 			let resp_bytes = rmp_to_vec_all_named::<Result<M, String>>(&Ok(resp))?;
-			trace!(
-				"]RPC:{},ok ({} ms), request: {}",
-				name,
-				(Instant::now() - begin_time).as_millis(),
-				req_str,
-			);
+			let rpc_duration = (Instant::now() - begin_time).as_millis();
+			if rpc_duration > 100 {
+				debug!("RPC {} ok, took long: {} ms", name, rpc_duration,);
+			}
 			Ok(Response::new(Body::from(resp_bytes)))
 		}
 		Err(e) => {
@@ -65,11 +62,10 @@ where
 			let mut err_response = Response::new(Body::from(rep_bytes));
 			*err_response.status_mut() = e.http_status_code();
 			warn!(
-				"RPC error ({}): {} ({} ms), request: {}",
+				"RPC error ({}): {} ({} ms)",
 				name,
 				e,
 				(Instant::now() - begin_time).as_millis(),
-				req_str,
 			);
 			Ok(err_response)
 		}