diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/DataRegion.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/DataRegion.java
index 2819d0a4a0016..84b61aca712e3 100644
--- a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/DataRegion.java
+++ b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/DataRegion.java
@@ -2359,16 +2359,6 @@ protected int executeCompaction() {
       }
     }
     if (summary.hasSubmitTask()) {
-      logger.info(
-          "[CompactionScheduler][{}] selected sequence InnerSpaceCompactionTask num is {},"
-              + " selected unsequence InnerSpaceCompactionTask num is {},"
-              + " selected CrossSpaceCompactionTask num is {},"
-              + " selected InsertionCrossSpaceCompactionTask num is {}",
-          dataRegionId,
-          summary.getSubmitSeqInnerSpaceCompactionTaskNum(),
-          summary.getSubmitUnseqInnerSpaceCompactionTaskNum(),
-          summary.getSubmitCrossSpaceCompactionTaskNum(),
-          summary.getSubmitInsertionCrossSpaceCompactionTaskNum());
       CompactionMetrics.getInstance().updateCompactionTaskSelectionNum(summary);
     }
     return trySubmitCount;
diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/flush/CompressionRatio.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/flush/CompressionRatio.java
index dfc37ba428e3c..5d6c40e148755 100644
--- a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/flush/CompressionRatio.java
+++ b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/flush/CompressionRatio.java
@@ -95,9 +95,6 @@ public synchronized void updateRatio(long memorySize, long diskSize) throws IOEx
             String.format(
                 Locale.ENGLISH, RATIO_FILE_PATH_FORMAT, totalMemorySize.get(), totalDiskSize));
     persist(oldFile, newFile);
-    if (LOGGER.isDebugEnabled()) {
-      LOGGER.debug("Compression ratio is {}", (double) totalMemorySize.get() / totalDiskSize);
-    }
   }
 
   /** Get the average compression ratio for all closed files */
diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/flush/MemTableFlushTask.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/flush/MemTableFlushTask.java
index 454702e72f3dd..46c919835a804 100644
--- a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/flush/MemTableFlushTask.java
+++ b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/flush/MemTableFlushTask.java
@@ -110,14 +110,6 @@ public void syncFlushMemTable() throws ExecutionException, InterruptedException
         memTable.getSeriesNumber() == 0
             ? 0
             : memTable.getTotalPointsNum() / memTable.getSeriesNumber();
-    if (LOGGER.isDebugEnabled()) {
-      LOGGER.debug(
-          "The memTable size of SG {} is {}, the avg series points num in chunk is {}, total timeseries number is {}",
-          storageGroup,
-          memTable.memSize(),
-          avgSeriesPointsNum,
-          memTable.getSeriesNumber());
-    }
     WRITING_METRICS.recordFlushingMemTableStatus(
         storageGroup,
         memTable.memSize(),
@@ -215,14 +207,6 @@ public void syncFlushMemTable() throws ExecutionException, InterruptedException
             MetricLevel.CORE,
             Tag.NAME.toString(),
             "flush");
-
-    if (LOGGER.isDebugEnabled()) {
-      LOGGER.debug(
-          "Database {} memtable {} flushing a memtable has finished! Time consumption: {}ms",
-          storageGroup,
-          memTable,
-          System.currentTimeMillis() - start);
-    }
   }
 
   /** encoding task (second task of pipeline) */
@@ -288,14 +272,6 @@ public void run() {
           }
 
           recordFlushPointsMetric();
-
-          if (LOGGER.isDebugEnabled()) {
-            LOGGER.debug(
-                "Database {}, flushing memtable {} into disk: Encoding data cost " + "{} ms.",
-                storageGroup,
-                writer.getFile().getName(),
-                memSerializeTime);
-          }
           WRITING_METRICS.recordFlushCost(WritingMetrics.FLUSH_STAGE_ENCODING, memSerializeTime);
         }
       };
diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/memtable/TsFileProcessor.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/memtable/TsFileProcessor.java
index 54e9b42cca06c..33d160c3c3708 100644
--- a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/memtable/TsFileProcessor.java
+++ b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/memtable/TsFileProcessor.java
@@ -792,12 +792,6 @@ public boolean shouldFlush() {
       return false;
     }
     if (workMemTable.shouldFlush()) {
-      if (logger.isDebugEnabled()) {
-        logger.debug(
-            "The memtable size {} of tsfile {} reaches the mem control threshold",
-            workMemTable.memSize(),
-            tsFileResource.getTsFile().getAbsolutePath());
-      }
       return true;
     }
     if (!enableMemControl && workMemTable.memSize() >= getMemtableSizeThresholdBasedOnSeriesNum()) {
@@ -873,9 +867,9 @@ public Future<?> asyncClose() {
           FLUSH_QUERY_WRITE_LOCKED, storageGroupName, tsFileResource.getTsFile().getName());
     }
     try {
-      if (logger.isInfoEnabled()) {
+      if (logger.isDebugEnabled()) {
         if (workMemTable != null) {
-          logger.info(
+          logger.debug(
               "{}: flush a working memtable in async close tsfile {}, memtable size: {}, tsfile "
                   + "size: {}, plan index: [{}, {}], progress index: {}",
               storageGroupName,
@@ -886,7 +880,7 @@ public Future<?> asyncClose() {
               workMemTable.getMaxPlanIndex(),
               tsFileResource.getMaxProgressIndex());
         } else {
-          logger.info(
+          logger.debug(
               "{}: flush a NotifyFlushMemTable in async close tsfile {}, tsfile size: {}",
               storageGroupName,
               tsFileResource.getTsFile().getAbsolutePath(),
diff --git a/iotdb-core/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileIOWriter.java b/iotdb-core/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileIOWriter.java
index 12b79a9fc80fe..658a16deda68a 100644
--- a/iotdb-core/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileIOWriter.java
+++ b/iotdb-core/tsfile/src/main/java/org/apache/iotdb/tsfile/write/writer/TsFileIOWriter.java
@@ -321,7 +321,6 @@ public void endCurrentChunk() {
    */
   @SuppressWarnings("squid:S3776") // Suppress high Cognitive Complexity warning
   public void endFile() throws IOException {
-    long startTime = System.currentTimeMillis();
     checkInMemoryPathCount();
     readChunkMetadataAndConstructIndexTree();
 
@@ -348,8 +347,6 @@ public void endFile() throws IOException {
       }
     }
     canWrite = false;
-    long cost = System.currentTimeMillis() - startTime;
-    logger.debug("Time for flushing metadata is {} ms", cost);
   }
 
   private void checkInMemoryPathCount() {