diff --git a/ratis-docs/src/site/markdown/configurations.md b/ratis-docs/src/site/markdown/configurations.md
index 71eae7d3d1..0d5de05359 100644
--- a/ratis-docs/src/site/markdown/configurations.md
+++ b/ratis-docs/src/site/markdown/configurations.md
@@ -458,11 +458,11 @@ the leader won't send snapshots to follower.
 It will just send a notification to that follower instead.
 The follower's statemachine is responsible for fetching and installing snapshot by some other means.
 
-| **Property**    | `raft.server.log.appender.wait-time.min`       |
-|:----------------|:-----------------------------------------------|
-| **Description** | wait time between two subsequent AppendEntries |
-| **Type**        | TimeDuration                                   |
-| **Default**     | 10ms                                           |
+| **Property**    | `raft.server.log.appender.wait-time.min`                                   |
+|:----------------|:---------------------------------------------------------------------------|
+| **Description** | wait time between two subsequent AppendEntries. Must be a positive number. |
+| **Type**        | TimeDuration                                                               |
+| **Default**     | 1ms                                                                        |
 
 
 | **Property**    | `raft.server.log.appender.retry.policy` |
diff --git a/ratis-grpc/src/main/java/org/apache/ratis/grpc/server/GrpcLogAppender.java b/ratis-grpc/src/main/java/org/apache/ratis/grpc/server/GrpcLogAppender.java
index 0784eaf047..b48c3e947b 100644
--- a/ratis-grpc/src/main/java/org/apache/ratis/grpc/server/GrpcLogAppender.java
+++ b/ratis-grpc/src/main/java/org/apache/ratis/grpc/server/GrpcLogAppender.java
@@ -57,6 +57,7 @@
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicLong;
+import java.util.concurrent.locks.LockSupport;
 
 /**
  * A new log appender implementation using grpc bi-directional stream API.
@@ -353,7 +354,8 @@ void onNext(AppendEntriesRequestProto proto)
       }
       // stall for stream to be ready.
       while (!stream.isReady() && running) {
-        sleep(waitForReady, isHeartBeat);
+        //sleep(waitForReady, isHeartBeat);
+        LockSupport.parkNanos(waitForReady.toLong(TimeUnit.NANOSECONDS));
       }
       stream.onNext(proto);
     }