diff --git a/s3stream/src/main/java/com/automq/stream/s3/S3Storage.java b/s3stream/src/main/java/com/automq/stream/s3/S3Storage.java
index 21b3e1d87..80d224075 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/S3Storage.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/S3Storage.java
@@ -234,7 +234,7 @@ public void shutdown() {
 
     @Override
     public CompletableFuture<Void> append(StreamRecordBatch streamRecord) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         CompletableFuture<Void> cf = new CompletableFuture<>();
         // encoded before append to free heap ByteBuf.
         streamRecord.encoded();
@@ -317,7 +317,7 @@ private void tryDrainBackoffRecords() {
 
     @Override
     public CompletableFuture<ReadDataBlock> read(long streamId, long startOffset, long endOffset, int maxBytes) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         CompletableFuture<ReadDataBlock> cf = new CompletableFuture<>();
         mainReadExecutor.execute(() -> FutureUtil.propagate(read0(streamId, startOffset, endOffset, maxBytes), cf));
         cf.whenComplete((nil, ex) -> OperationMetricsStats.getHistogram(S3Operation.READ_STORAGE).update(timerUtil.elapsed()));
@@ -423,7 +423,7 @@ CompletableFuture<Void> uploadDeltaWAL(LogCache.LogCacheBlock logCacheBlock) {
     }
 
     CompletableFuture<Void> uploadDeltaWAL(DeltaWALUploadTaskContext context) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         CompletableFuture<Void> cf = new CompletableFuture<>();
         context.cf = cf;
         inflightWALUploadTasks.add(cf);
diff --git a/s3stream/src/main/java/com/automq/stream/s3/S3Stream.java b/s3stream/src/main/java/com/automq/stream/s3/S3Stream.java
index 00767e0f0..5bb28c326 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/S3Stream.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/S3Stream.java
@@ -135,7 +135,7 @@ public long nextOffset() {
     public CompletableFuture<AppendResult> append(RecordBatch recordBatch) {
         writeLock.lock();
         try {
-            TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+            TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
             CompletableFuture<AppendResult> cf = exec(() -> {
                 if (networkInboundLimiter != null) {
                     networkInboundLimiter.forceConsume(recordBatch.rawPayload().remaining());
@@ -181,7 +181,7 @@ private CompletableFuture<AppendResult> append0(RecordBatch recordBatch) {
     public CompletableFuture<FetchResult> fetch(long startOffset, long endOffset, int maxBytes) {
         readLock.lock();
         try {
-            TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+            TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
             CompletableFuture<FetchResult> cf = exec(() -> fetch0(startOffset, endOffset, maxBytes), LOGGER, "fetch");
             pendingFetches.add(cf);
             cf.whenComplete((rs, ex) -> {
@@ -235,7 +235,7 @@ private CompletableFuture<FetchResult> fetch0(long startOffset, long endOffset,
     public CompletableFuture<Void> trim(long newStartOffset) {
         writeLock.lock();
         try {
-            TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+            TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
             return exec(() -> {
                 CompletableFuture<Void> cf = new CompletableFuture<>();
                 lastPendingTrim.whenComplete((nil, ex) -> propagate(trim0(newStartOffset), cf));
diff --git a/s3stream/src/main/java/com/automq/stream/s3/S3StreamClient.java b/s3stream/src/main/java/com/automq/stream/s3/S3StreamClient.java
index fa73187a7..675841364 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/S3StreamClient.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/S3StreamClient.java
@@ -82,7 +82,7 @@ public S3StreamClient(StreamManager streamManager, Storage storage, ObjectManage
 
     @Override
     public CompletableFuture<Stream> createAndOpenStream(CreateStreamOptions options) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         return FutureUtil.exec(() -> streamManager.createStream().thenCompose(streamId -> {
             OperationMetricsStats.getHistogram(S3Operation.CREATE_STREAM).update(timerUtil.elapsed());
             return openStream0(streamId, options.epoch());
@@ -136,7 +136,7 @@ private void startStreamObjectsCompactions() {
     }
 
     private CompletableFuture<Stream> openStream0(long streamId, long epoch) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         return streamManager.openStream(streamId, epoch).
                 thenApply(metadata -> {
                     OperationMetricsStats.getHistogram(S3Operation.OPEN_STREAM).update(timerUtil.elapsed());
@@ -171,7 +171,7 @@ public void shutdown() {
             LOGGER.warn("await streamObjectCompactionExecutor close fail", e);
         }
 
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         Map<Long, CompletableFuture<Void>> streamCloseFutures = new ConcurrentHashMap<>();
         openedStreams.forEach((streamId, stream) -> streamCloseFutures.put(streamId, stream.close()));
         for (; ; ) {
diff --git a/s3stream/src/main/java/com/automq/stream/s3/cache/DefaultS3BlockCache.java b/s3stream/src/main/java/com/automq/stream/s3/cache/DefaultS3BlockCache.java
index 74707212e..f330d5eea 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/cache/DefaultS3BlockCache.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/cache/DefaultS3BlockCache.java
@@ -77,7 +77,7 @@ public DefaultS3BlockCache(long cacheBytesSize, ObjectManager objectManager, S3O
 
     @Override
     public CompletableFuture<ReadDataBlock> read(long streamId, long startOffset, long endOffset, int maxBytes) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         CompletableFuture<ReadDataBlock> readCf = new CompletableFuture<>();
         // submit read task to mainExecutor to avoid read slower the caller thread.
         mainExecutor.execute(() -> FutureUtil.exec(() ->
diff --git a/s3stream/src/main/java/com/automq/stream/s3/cache/LogCache.java b/s3stream/src/main/java/com/automq/stream/s3/cache/LogCache.java
index b17fafe83..9bfe2cf74 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/cache/LogCache.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/cache/LogCache.java
@@ -69,7 +69,7 @@ public LogCache(long capacity, long cacheBlockMaxSize, int maxCacheBlockStreamCo
     }
 
     public boolean put(StreamRecordBatch recordBatch) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         tryRealFree();
         size.addAndGet(recordBatch.size());
         boolean full = activeBlock.put(recordBatch);
@@ -102,7 +102,7 @@ public boolean put(StreamRecordBatch recordBatch) {
      * Note: the records is retained, the caller should release it.
      */
     public List<StreamRecordBatch> get(long streamId, long startOffset, long endOffset, int maxBytes) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         List<StreamRecordBatch> records = get0(streamId, startOffset, endOffset, maxBytes);
         records.forEach(StreamRecordBatch::retain);
         if (!records.isEmpty() && records.get(0).getBaseOffset() <= startOffset) {
diff --git a/s3stream/src/main/java/com/automq/stream/s3/operator/DefaultS3Operator.java b/s3stream/src/main/java/com/automq/stream/s3/operator/DefaultS3Operator.java
index b2dfe9d4d..3e0dff877 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/operator/DefaultS3Operator.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/operator/DefaultS3Operator.java
@@ -244,7 +244,7 @@ CompletableFuture<ByteBuf> mergedRangeRead(String path, long start, long end) {
     }
 
     void mergedRangeRead0(String path, long start, long end, CompletableFuture<ByteBuf> cf) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         GetObjectRequest request = GetObjectRequest.builder().bucket(bucket).key(path).range(range(start, end)).build();
         readS3Client.getObject(request, AsyncResponseTransformer.toPublisher())
                 .thenAccept(responsePublisher -> {
@@ -289,7 +289,7 @@ public CompletableFuture<Void> write(String path, ByteBuf data, ThrottleStrategy
     }
 
     private void write0(String path, ByteBuf data, CompletableFuture<Void> cf) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         int objectSize = data.readableBytes();
         PutObjectRequest request = PutObjectRequest.builder().bucket(bucket).key(path).build();
         AsyncRequestBody body = AsyncRequestBody.fromByteBuffersUnsafe(data.nioBuffers());
@@ -319,7 +319,7 @@ public Writer writer(String path, ThrottleStrategy throttleStrategy) {
 
     @Override
     public CompletableFuture<Void> delete(String path) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         DeleteObjectRequest request = DeleteObjectRequest.builder().bucket(bucket).key(path).build();
         return writeS3Client.deleteObject(request).thenAccept(deleteObjectResponse -> {
             OperationMetricsStats.getHistogram(S3Operation.DELETE_OBJECT).update(timerUtil.elapsed());
@@ -333,7 +333,7 @@ public CompletableFuture<Void> delete(String path) {
 
     @Override
     public CompletableFuture<List<String>> delete(List<String> objectKeys) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         ObjectIdentifier[] toDeleteKeys = objectKeys.stream().map(key ->
                 ObjectIdentifier.builder()
                         .key(key)
@@ -367,7 +367,7 @@ public CompletableFuture<String> createMultipartUpload(String path) {
     }
 
     void createMultipartUpload0(String path, CompletableFuture<String> cf) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         CreateMultipartUploadRequest request = CreateMultipartUploadRequest.builder().bucket(bucket).key(path).build();
         writeS3Client.createMultipartUpload(request).thenAccept(createMultipartUploadResponse -> {
             OperationMetricsStats.getHistogram(S3Operation.CREATE_MULTI_PART_UPLOAD).update(timerUtil.elapsed());
@@ -408,7 +408,7 @@ public CompletableFuture<CompletedPart> uploadPart(String path, String uploadId,
     }
 
     private void uploadPart0(String path, String uploadId, int partNumber, ByteBuf part, CompletableFuture<CompletedPart> cf) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         AsyncRequestBody body = AsyncRequestBody.fromByteBuffersUnsafe(part.nioBuffers());
         UploadPartRequest request = UploadPartRequest.builder().bucket(bucket).key(path).uploadId(uploadId)
                 .partNumber(partNumber).build();
@@ -442,7 +442,7 @@ public CompletableFuture<CompletedPart> uploadPartCopy(String sourcePath, String
     }
 
     private void uploadPartCopy0(String sourcePath, String path, long start, long end, String uploadId, int partNumber, CompletableFuture<CompletedPart> cf) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         long inclusiveEnd = end - 1;
         UploadPartCopyRequest request = UploadPartCopyRequest.builder().sourceBucket(bucket).sourceKey(sourcePath)
                 .destinationBucket(bucket).destinationKey(path).copySourceRange(range(start, inclusiveEnd)).uploadId(uploadId).partNumber(partNumber).build();
@@ -476,7 +476,7 @@ public CompletableFuture<Void> completeMultipartUpload(String path, String uploa
     }
 
     public void completeMultipartUpload0(String path, String uploadId, List<CompletedPart> parts, CompletableFuture<Void> cf) {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         CompletedMultipartUpload multipartUpload = CompletedMultipartUpload.builder().parts(parts).build();
         CompleteMultipartUploadRequest request = CompleteMultipartUploadRequest.builder().bucket(bucket).key(path).uploadId(uploadId).multipartUpload(multipartUpload).build();
 
diff --git a/s3stream/src/main/java/com/automq/stream/s3/operator/MultiPartWriter.java b/s3stream/src/main/java/com/automq/stream/s3/operator/MultiPartWriter.java
index 9a4734d09..c3c994226 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/operator/MultiPartWriter.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/operator/MultiPartWriter.java
@@ -49,7 +49,7 @@ public class MultiPartWriter implements Writer {
      */
     private final long minPartSize;
     private ObjectPart objectPart = null;
-    private final TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+    private final TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
     private final ThrottleStrategy throttleStrategy;
     private final AtomicLong totalWriteSize = new AtomicLong(0L);
 
@@ -212,7 +212,7 @@ public void upload() {
         }
 
         private void upload0() {
-            TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+            TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
             FutureUtil.propagate(uploadIdCf.thenCompose(uploadId -> operator.uploadPart(path, uploadId, partNumber, partBuf, throttleStrategy)), partCf);
             partCf.whenComplete((nil, ex) -> S3ObjectMetricsStats.getHistogram(S3ObjectStage.UPLOAD_PART).update(timerUtil.elapsed()));
         }
diff --git a/s3stream/src/main/java/com/automq/stream/s3/wal/BlockWALService.java b/s3stream/src/main/java/com/automq/stream/s3/wal/BlockWALService.java
index 2a839e86e..e151f63df 100644
--- a/s3stream/src/main/java/com/automq/stream/s3/wal/BlockWALService.java
+++ b/s3stream/src/main/java/com/automq/stream/s3/wal/BlockWALService.java
@@ -421,7 +421,7 @@ public AppendResult append(ByteBuf buf, int crc) throws OverCapacityException {
     }
 
     public AppendResult append0(ByteBuf body, int crc) throws OverCapacityException {
-        TimerUtil timerUtil = new TimerUtil(TimeUnit.MILLISECONDS);
+        TimerUtil timerUtil = new TimerUtil(TimeUnit.NANOSECONDS);
         checkReadyToServe();
 
         final long recordSize = RECORD_HEADER_SIZE + body.readableBytes();