diff --git a/client-spark/spark2/src/main/java/org/apache/spark/shuffle/writer/RssShuffleWriter.java b/client-spark/spark2/src/main/java/org/apache/spark/shuffle/writer/RssShuffleWriter.java
index b993243016..9e64b2fd5a 100644
--- a/client-spark/spark2/src/main/java/org/apache/spark/shuffle/writer/RssShuffleWriter.java
+++ b/client-spark/spark2/src/main/java/org/apache/spark/shuffle/writer/RssShuffleWriter.java
@@ -247,7 +247,7 @@ public void write(Iterator<Product2<K, V>> records) {
 
   private void writeImpl(Iterator<Product2<K, V>> records) {
     List<ShuffleBlockInfo> shuffleBlockInfos;
-    int recordCount = 0;
+    long recordCount = 0;
     while (records.hasNext()) {
       recordCount++;
       Product2<K, V> record = records.next();
@@ -266,7 +266,7 @@ private void writeImpl(Iterator<Product2<K, V>> records) {
     shuffleBlockInfos = bufferManager.clear();
     processShuffleBlockInfos(shuffleBlockInfos);
     long s = System.currentTimeMillis();
-    assert recordCount == bufferManager.getRecordCount();
+    checkSentRecordCount(recordCount);
     checkBlockSendResult(blockIds);
     final long checkDuration = System.currentTimeMillis() - s;
     long commitDuration = 0;
@@ -294,6 +294,16 @@ private void writeImpl(Iterator<Product2<K, V>> records) {
             + bufferManager.getManagerCostInfo());
   }
 
+  private void checkSentRecordCount(long recordCount) {
+    if (recordCount != bufferManager.getRecordCount()) {
+      String errorMsg =
+          "Potential record loss may have occurred while preparing to send blocks for task["
+              + taskId
+              + "]";
+      throw new RssSendFailedException(errorMsg);
+    }
+  }
+
   /**
    * ShuffleBlock will be added to queue and send to shuffle server maintenance the following
    * information: 1. add blockId to set, check if it is send later 2. update shuffle server info,
diff --git a/client-spark/spark3/src/main/java/org/apache/spark/shuffle/writer/RssShuffleWriter.java b/client-spark/spark3/src/main/java/org/apache/spark/shuffle/writer/RssShuffleWriter.java
index 093fde95ce..2fc0340510 100644
--- a/client-spark/spark3/src/main/java/org/apache/spark/shuffle/writer/RssShuffleWriter.java
+++ b/client-spark/spark3/src/main/java/org/apache/spark/shuffle/writer/RssShuffleWriter.java
@@ -262,7 +262,7 @@ private void writeImpl(Iterator<Product2<K, V>> records) {
     if (isCombine) {
       createCombiner = shuffleDependency.aggregator().get().createCombiner();
     }
-    int recordCount = 0;
+    long recordCount = 0;
     while (records.hasNext()) {
       recordCount++;
       // Task should fast fail when sending data failed
@@ -287,7 +287,7 @@ private void writeImpl(Iterator<Product2<K, V>> records) {
       processShuffleBlockInfos(shuffleBlockInfos);
     }
     long checkStartTs = System.currentTimeMillis();
-    assert recordCount == bufferManager.getRecordCount();
+    checkSentRecordCount(recordCount);
     checkBlockSendResult(blockIds);
     long commitStartTs = System.currentTimeMillis();
     long checkDuration = commitStartTs - checkStartTs;
@@ -313,6 +313,16 @@ private void writeImpl(Iterator<Product2<K, V>> records) {
             + bufferManager.getManagerCostInfo());
   }
 
+  private void checkSentRecordCount(long recordCount) {
+    if (recordCount != bufferManager.getRecordCount()) {
+      String errorMsg =
+          "Potential record loss may have occurred while preparing to send blocks for task["
+              + taskId
+              + "]";
+      throw new RssSendFailedException(errorMsg);
+    }
+  }
+
   // only push-based shuffle use this interface, but rss won't be used when push-based shuffle is
   // enabled.
   public long[] getPartitionLengths() {