reduce log (#16298)

Co-authored-by: 彭俊植 <junzhi.peng@pingcap.com>
diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/source/dataregion/historical/PipeHistoricalDataRegionTsFileAndDeletionSource.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/source/dataregion/historical/PipeHistoricalDataRegionTsFileAndDeletionSource.java
index cedbea1..33b0bf1 100644
--- a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/source/dataregion/historical/PipeHistoricalDataRegionTsFileAndDeletionSource.java
+++ b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/source/dataregion/historical/PipeHistoricalDataRegionTsFileAndDeletionSource.java
@@ -853,7 +853,7 @@
         && PipeConsensusProcessor.isShouldReplicate(event)) {
       event.setReplicateIndexForIoTV2(
           ReplicateProgressDataNodeManager.assignReplicateIndexForIoTV2(pipeName));
-      LOGGER.info(
+      LOGGER.debug(
           "[{}]Set {} for historical event {}", pipeName, event.getReplicateIndexForIoTV2(), event);
     }
 
diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/source/dataregion/realtime/assigner/PipeDataRegionAssigner.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/source/dataregion/realtime/assigner/PipeDataRegionAssigner.java
index 86f0576..4fdba23 100644
--- a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/source/dataregion/realtime/assigner/PipeDataRegionAssigner.java
+++ b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/source/dataregion/realtime/assigner/PipeDataRegionAssigner.java
@@ -180,7 +180,7 @@
                 innerEvent.setReplicateIndexForIoTV2(
                     ReplicateProgressDataNodeManager.assignReplicateIndexForIoTV2(
                         extractor.getPipeName()));
-                LOGGER.info(
+                LOGGER.debug(
                     "[{}]Set {} for realtime event {}",
                     extractor.getPipeName(),
                     innerEvent.getReplicateIndexForIoTV2(),