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 1544975a45..424784f5ad 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
@@ -534,7 +534,7 @@ private void onNextImpl(AppendEntriesRequest request, AppendEntriesReplyProto re
           break;
         case INCONSISTENCY:
           grpcServerMetrics.onRequestInconsistency(getFollowerId().toString());
-          LOG.warn("{}: received {} reply with nextIndex {}, errorCount={}, request={}",
+          LOG.debug("{}: received {} reply with nextIndex {}, errorCount={}, request={}",
               this, reply.getResult(), reply.getNextIndex(), errorCount, request);
           final long requestFirstIndex = request != null? request.getFirstIndex(): RaftLog.INVALID_LOG_INDEX;
           updateNextIndex(getNextIndexForInconsistency(requestFirstIndex, reply.getNextIndex()));
diff --git a/ratis-grpc/src/main/java/org/apache/ratis/grpc/server/GrpcServerProtocolService.java b/ratis-grpc/src/main/java/org/apache/ratis/grpc/server/GrpcServerProtocolService.java
index 451d74c64a..985e64f23d 100644
--- a/ratis-grpc/src/main/java/org/apache/ratis/grpc/server/GrpcServerProtocolService.java
+++ b/ratis-grpc/src/main/java/org/apache/ratis/grpc/server/GrpcServerProtocolService.java
@@ -197,9 +197,9 @@ public void onNext(REQUEST request) {
     @Override
     public void onCompleted() {
       if (isClosed.compareAndSet(false, true)) {
-        LOG.info("{}: Completed {}, lastRequest: {}", getId(), op, getPreviousRequestString());
+        LOG.debug("{}: Completed {}, lastRequest: {}", getId(), op, getPreviousRequestString());
         requestFuture.get().thenAccept(reply -> {
-          LOG.info("{}: Completed {}, lastReply: {}", getId(), op, reply);
+          LOG.debug("{}: Completed {}, lastReply: {}", getId(), op, reply);
           responseObserver.onCompleted();
         });
         releaseLast();
diff --git a/ratis-server/src/main/java/org/apache/ratis/server/impl/SnapshotInstallationHandler.java b/ratis-server/src/main/java/org/apache/ratis/server/impl/SnapshotInstallationHandler.java
index 70027e6dda..ee11fa0f3a 100644
--- a/ratis-server/src/main/java/org/apache/ratis/server/impl/SnapshotInstallationHandler.java
+++ b/ratis-server/src/main/java/org/apache/ratis/server/impl/SnapshotInstallationHandler.java
@@ -93,8 +93,8 @@ long getInProgressInstallSnapshotIndex() {
   }
 
   InstallSnapshotReplyProto installSnapshot(InstallSnapshotRequestProto request) throws IOException {
-    if (LOG.isInfoEnabled()) {
-      LOG.info("{}: receive installSnapshot: {}", getMemberId(),
+    if (LOG.isDebugEnabled()) {
+      LOG.debug("{}: receive installSnapshot: {}", getMemberId(),
           ServerStringUtils.toInstallSnapshotRequestString(request));
     }
     final InstallSnapshotReplyProto reply;
@@ -104,8 +104,8 @@ InstallSnapshotReplyProto installSnapshot(InstallSnapshotRequestProto request) t
       LOG.error("{}: installSnapshot failed", getMemberId(), e);
       throw e;
     }
-    if (LOG.isInfoEnabled()) {
-      LOG.info("{}: reply installSnapshot: {}", getMemberId(),
+    if (LOG.isDebugEnabled()) {
+      LOG.debug("{}: reply installSnapshot: {}", getMemberId(),
           ServerStringUtils.toInstallSnapshotReplyString(reply));
     }
     return reply;