diff --git a/pinot-common/src/main/java/org/apache/pinot/common/metrics/ServerMeter.java b/pinot-common/src/main/java/org/apache/pinot/common/metrics/ServerMeter.java
index 53d19b96c28..c516740070f 100644
--- a/pinot-common/src/main/java/org/apache/pinot/common/metrics/ServerMeter.java
+++ b/pinot-common/src/main/java/org/apache/pinot/common/metrics/ServerMeter.java
@@ -52,6 +52,7 @@ public enum ServerMeter implements AbstractMetrics.Meter {
   UPSERT_OUT_OF_ORDER("rows", false),
   DELETED_KEYS_TTL_PRIMARY_KEYS_REMOVED("rows", false),
   METADATA_TTL_PRIMARY_KEYS_REMOVED("rows", false),
+  UPSERT_MISSED_VALID_DOC_ID_SNAPSHOT_COUNT("segments", false),
   ROWS_WITH_ERRORS("rows", false),
   LLC_CONTROLLER_RESPONSE_NOT_SENT("messages", true),
   LLC_CONTROLLER_RESPONSE_COMMIT("messages", true),
diff --git a/pinot-segment-local/src/main/java/org/apache/pinot/segment/local/upsert/BasePartitionUpsertMetadataManager.java b/pinot-segment-local/src/main/java/org/apache/pinot/segment/local/upsert/BasePartitionUpsertMetadataManager.java
index dcee1cefa42..a97bb659221 100644
--- a/pinot-segment-local/src/main/java/org/apache/pinot/segment/local/upsert/BasePartitionUpsertMetadataManager.java
+++ b/pinot-segment-local/src/main/java/org/apache/pinot/segment/local/upsert/BasePartitionUpsertMetadataManager.java
@@ -887,6 +887,12 @@ protected void doTakeSnapshot() {
         ServerGauge.UPSERT_VALID_DOC_ID_SNAPSHOT_COUNT, numImmutableSegments);
     _serverMetrics.setValueOfPartitionGauge(_tableNameWithType, _partitionId,
         ServerGauge.UPSERT_PRIMARY_KEYS_IN_SNAPSHOT_COUNT, numPrimaryKeysInSnapshot);
+    int numMissedSegments = numTrackedSegments - numImmutableSegments - numConsumingSegments;
+    if (numMissedSegments > 0) {
+      _serverMetrics.addMeteredTableValue(_tableNameWithType, String.valueOf(_partitionId),
+          ServerMeter.UPSERT_MISSED_VALID_DOC_ID_SNAPSHOT_COUNT, numMissedSegments);
+      _logger.warn("Missed taking snapshot for {} immutable segments", numMissedSegments);
+    }
     _logger.info("Finished taking snapshot for {} immutable segments with {} primary keys (out of {} total segments, "
             + "{} are consuming segments) in {} ms", numImmutableSegments, numPrimaryKeysInSnapshot, numTrackedSegments,
         numConsumingSegments, System.currentTimeMillis() - startTimeMs);