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haonan pushed a commit to branch new_vector
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/new_vector by this push:
     new dce5578  Vector -> Aligned & support query empty aligned column in 
memtable
dce5578 is described below

commit dce5578e1ce7127530954d23229ebb7da44b77e1
Author: HTHou <[email protected]>
AuthorDate: Tue Nov 2 16:50:29 2021 +0800

    Vector -> Aligned & support query empty aligned column in memtable
---
 .../iotdb/db/engine/flush/NotifyFlushMemTable.java |  2 +-
 .../iotdb/db/engine/memtable/AbstractMemTable.java | 12 +--
 ...eMemChunk.java => AlignedWritableMemChunk.java} | 61 +++++++-------
 .../db/engine/memtable/IWritableMemChunk.java      |  7 +-
 .../db/engine/memtable/PrimitiveMemTable.java      |  4 +-
 .../iotdb/db/engine/memtable/WritableMemChunk.java |  6 +-
 .../db/engine/querycontext/ReadOnlyMemChunk.java   |  6 +-
 .../db/engine/storagegroup/TsFileProcessor.java    | 26 +++---
 .../apache/iotdb/db/metadata/path/AlignedPath.java |  8 +-
 .../apache/iotdb/db/metadata/path/PartialPath.java | 24 +++---
 .../apache/iotdb/db/rescon/TVListAllocator.java    | 20 +----
 .../{VectorTVList.java => AlignedTVList.java}      | 93 +++++++++++++---------
 .../iotdb/db/utils/datastructure/TVList.java       |  9 ++-
 .../db/utils/datastructure/VectorTVListTest.java   | 22 ++---
 .../iotdb/tsfile/file/metadata/ChunkMetadata.java  |  2 +-
 15 files changed, 157 insertions(+), 145 deletions(-)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/engine/flush/NotifyFlushMemTable.java
 
b/server/src/main/java/org/apache/iotdb/db/engine/flush/NotifyFlushMemTable.java
index 5bc95c9..169c22f 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/engine/flush/NotifyFlushMemTable.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/engine/flush/NotifyFlushMemTable.java
@@ -35,7 +35,7 @@ public class NotifyFlushMemTable extends AbstractMemTable {
   }
 
   @Override
-  protected IWritableMemChunk genVectorMemSeries(IMeasurementSchema schema) {
+  protected IWritableMemChunk genAlignedMemSeries(IMeasurementSchema schema) {
     return null;
   }
 
diff --git 
a/server/src/main/java/org/apache/iotdb/db/engine/memtable/AbstractMemTable.java
 
b/server/src/main/java/org/apache/iotdb/db/engine/memtable/AbstractMemTable.java
index 9a293fa..09656c4 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/engine/memtable/AbstractMemTable.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/engine/memtable/AbstractMemTable.java
@@ -110,7 +110,7 @@ public abstract class AbstractMemTable implements IMemTable 
{
         });
   }
 
-  private IWritableMemChunk createVectorMemChunkIfNotExistAndGet(
+  private IWritableMemChunk createAlignedMemChunkIfNotExistAndGet(
       String deviceId, IMeasurementSchema schema) {
     Map<String, IWritableMemChunk> memSeries =
         memTableMap.computeIfAbsent(deviceId, k -> new HashMap<>());
@@ -122,13 +122,13 @@ public abstract class AbstractMemTable implements 
IMemTable {
           seriesNumber++;
           totalPointsNumThreshold +=
               avgSeriesPointNumThreshold * 
vectorSchema.getSubMeasurementsCount();
-          return genVectorMemSeries(vectorSchema);
+          return genAlignedMemSeries(vectorSchema);
         });
   }
 
   protected abstract IWritableMemChunk genMemSeries(IMeasurementSchema schema);
 
-  protected abstract IWritableMemChunk genVectorMemSeries(IMeasurementSchema 
schema);
+  protected abstract IWritableMemChunk genAlignedMemSeries(IMeasurementSchema 
schema);
 
   @Override
   public void insert(InsertRowPlan insertRowPlan) {
@@ -229,8 +229,8 @@ public abstract class AbstractMemTable implements IMemTable 
{
   @Override
   public void writeAlignedRow(
       String deviceId, IMeasurementSchema schema, long insertTime, Object[] 
objectValue) {
-    IWritableMemChunk memSeries = 
createVectorMemChunkIfNotExistAndGet(deviceId, schema);
-    memSeries.writeVector(insertTime, objectValue, schema);
+    IWritableMemChunk memSeries = 
createAlignedMemChunkIfNotExistAndGet(deviceId, schema);
+    memSeries.writeAlignedValue(insertTime, objectValue, schema);
   }
 
   @SuppressWarnings("squid:S3776") // high Cognitive Complexity
@@ -279,7 +279,7 @@ public abstract class AbstractMemTable implements IMemTable 
{
             encodings.toArray(new TSEncoding[measurements.size()]),
             compressionType);
     IWritableMemChunk memSeries =
-        createVectorMemChunkIfNotExistAndGet(
+        createAlignedMemChunkIfNotExistAndGet(
             insertTabletPlan.getPrefixPath().getFullPath(), vectorSchema);
     memSeries.writeVector(
         insertTabletPlan.getTimes(),
diff --git 
a/server/src/main/java/org/apache/iotdb/db/engine/memtable/VectorWritableMemChunk.java
 
b/server/src/main/java/org/apache/iotdb/db/engine/memtable/AlignedWritableMemChunk.java
similarity index 80%
rename from 
server/src/main/java/org/apache/iotdb/db/engine/memtable/VectorWritableMemChunk.java
rename to 
server/src/main/java/org/apache/iotdb/db/engine/memtable/AlignedWritableMemChunk.java
index c0e22d2..f155139 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/engine/memtable/VectorWritableMemChunk.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/engine/memtable/AlignedWritableMemChunk.java
@@ -1,14 +1,14 @@
 package org.apache.iotdb.db.engine.memtable;
 
 import org.apache.iotdb.db.rescon.TVListAllocator;
+import org.apache.iotdb.db.utils.datastructure.AlignedTVList;
 import org.apache.iotdb.db.utils.datastructure.TVList;
-import org.apache.iotdb.db.utils.datastructure.VectorTVList;
 import org.apache.iotdb.tsfile.exception.write.UnSupportedDataTypeException;
 import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
 import org.apache.iotdb.tsfile.utils.Binary;
 import org.apache.iotdb.tsfile.utils.BitMap;
-import org.apache.iotdb.tsfile.write.chunk.IChunkWriter;
 import org.apache.iotdb.tsfile.write.chunk.AlignedChunkWriterImpl;
+import org.apache.iotdb.tsfile.write.chunk.IChunkWriter;
 import org.apache.iotdb.tsfile.write.schema.IMeasurementSchema;
 import org.apache.iotdb.tsfile.write.schema.VectorMeasurementSchema;
 
@@ -20,25 +20,25 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
-public class VectorWritableMemChunk implements IWritableMemChunk {
+public class AlignedWritableMemChunk implements IWritableMemChunk {
 
   private IMeasurementSchema schema;
-  private VectorTVList list;
-  private Map<String, Integer> vectorIdIndexMap;
+  private AlignedTVList list;
+  private Map<String, Integer> alignedMeasurementIndexMap;
   private static final String UNSUPPORTED_TYPE = "Unsupported data type:";
-  private static final Logger LOGGER = 
LoggerFactory.getLogger(VectorWritableMemChunk.class);
+  private static final Logger LOGGER = 
LoggerFactory.getLogger(AlignedWritableMemChunk.class);
 
-  public VectorWritableMemChunk(VectorMeasurementSchema schema) {
+  public AlignedWritableMemChunk(VectorMeasurementSchema schema) {
     this.schema = schema;
-    vectorIdIndexMap = new HashMap<>();
+    alignedMeasurementIndexMap = new HashMap<>();
     for (int i = 0; i < schema.getSubMeasurementsCount(); i++) {
-      vectorIdIndexMap.put(schema.getSubMeasurementsList().get(i), i);
+      alignedMeasurementIndexMap.put(schema.getSubMeasurementsList().get(i), 
i);
     }
     this.list = 
TVListAllocator.getInstance().allocate(schema.getSubMeasurementsTSDataTypeList());
   }
 
   public boolean containsMeasurement(String measurementId) {
-    return vectorIdIndexMap.containsKey(measurementId);
+    return alignedMeasurementIndexMap.containsKey(measurementId);
   }
 
   @Override
@@ -72,8 +72,8 @@ public class VectorWritableMemChunk implements 
IWritableMemChunk {
   }
 
   @Override
-  public void putVector(long t, Object[] v, int[] columnOrder) {
-    list.putVector(t, v, columnOrder);
+  public void putAlignedValue(long t, Object[] v, int[] columnOrder) {
+    list.putAlignedValue(t, v, columnOrder);
   }
 
   @Override
@@ -107,9 +107,9 @@ public class VectorWritableMemChunk implements 
IWritableMemChunk {
   }
 
   @Override
-  public void putVectors(
+  public void putAlignedValues(
       long[] t, Object[] v, BitMap[] bitMaps, int[] columnOrder, int start, 
int end) {
-    list.putVectors(t, v, bitMaps, columnOrder, start, end);
+    list.putAlignedValues(t, v, bitMaps, columnOrder, start, end);
   }
 
   @Override
@@ -118,9 +118,9 @@ public class VectorWritableMemChunk implements 
IWritableMemChunk {
   }
 
   @Override
-  public void writeVector(long insertTime, Object[] objectValue, 
IMeasurementSchema schema) {
+  public void writeAlignedValue(long insertTime, Object[] objectValue, 
IMeasurementSchema schema) {
     int[] columnOrder = checkColumnOrder(schema);
-    putVector(insertTime, objectValue, columnOrder);
+    putAlignedValue(insertTime, objectValue, columnOrder);
   }
 
   @Override
@@ -138,7 +138,7 @@ public class VectorWritableMemChunk implements 
IWritableMemChunk {
       int start,
       int end) {
     int[] columnOrder = checkColumnOrder(schema);
-    putVectors(times, valueList, bitMaps, columnOrder, start, end);
+    putAlignedValues(times, valueList, bitMaps, columnOrder, start, end);
   }
 
   private int[] checkColumnOrder(IMeasurementSchema schema) {
@@ -146,7 +146,7 @@ public class VectorWritableMemChunk implements 
IWritableMemChunk {
     List<String> measurementIdList = vectorSchema.getSubMeasurementsList();
     int[] columnOrder = new int[measurementIdList.size()];
     for (int i = 0; i < measurementIdList.size(); i++) {
-      columnOrder[i] = vectorIdIndexMap.get(measurementIdList.get(i));
+      columnOrder[i] = 
alignedMeasurementIndexMap.get(measurementIdList.get(i));
     }
     return columnOrder;
   }
@@ -158,7 +158,7 @@ public class VectorWritableMemChunk implements 
IWritableMemChunk {
 
   @Override
   public long count() {
-    return list.size() * vectorIdIndexMap.size();
+    return list.size() * alignedMeasurementIndexMap.size();
   }
 
   @Override
@@ -182,7 +182,8 @@ public class VectorWritableMemChunk implements 
IWritableMemChunk {
     List<Integer> columnIndexList = new ArrayList<>();
     List<TSDataType> dataTypeList = new ArrayList<>();
     for (IMeasurementSchema measurementSchema : schemaList) {
-      
columnIndexList.add(vectorIdIndexMap.getOrDefault(measurementSchema.getMeasurementId(),
 -1));
+      columnIndexList.add(
+          
alignedMeasurementIndexMap.getOrDefault(measurementSchema.getMeasurementId(), 
-1));
       dataTypeList.add(measurementSchema.getType());
     }
     return list.getTvListByColumnIndex(columnIndexList, dataTypeList);
@@ -224,29 +225,29 @@ public class VectorWritableMemChunk implements 
IWritableMemChunk {
   @Override
   public void encode(IChunkWriter chunkWriter) {
 
-    List<Integer> timeDuplicatedVectorRowIndexList = null;
+    List<Integer> timeDuplicateAlignedRowIndexList = null;
     for (int sortedRowIndex = 0; sortedRowIndex < list.size(); 
sortedRowIndex++) {
       long time = list.getTime(sortedRowIndex);
 
       // skip duplicated data
       if ((sortedRowIndex + 1 < list.size() && (time == 
list.getTime(sortedRowIndex + 1)))) {
         // record the time duplicated row index list for vector type
-        if (timeDuplicatedVectorRowIndexList == null) {
-          timeDuplicatedVectorRowIndexList = new ArrayList<>();
-          
timeDuplicatedVectorRowIndexList.add(list.getValueIndex(sortedRowIndex));
+        if (timeDuplicateAlignedRowIndexList == null) {
+          timeDuplicateAlignedRowIndexList = new ArrayList<>();
+          
timeDuplicateAlignedRowIndexList.add(list.getValueIndex(sortedRowIndex));
         }
-        timeDuplicatedVectorRowIndexList.add(list.getValueIndex(sortedRowIndex 
+ 1));
+        timeDuplicateAlignedRowIndexList.add(list.getValueIndex(sortedRowIndex 
+ 1));
         continue;
       }
       List<TSDataType> dataTypes = list.getTsDataTypes();
       int originRowIndex = list.getValueIndex(sortedRowIndex);
       for (int columnIndex = 0; columnIndex < dataTypes.size(); columnIndex++) 
{
         // write the time duplicated rows
-        if (timeDuplicatedVectorRowIndexList != null
-            && !timeDuplicatedVectorRowIndexList.isEmpty()) {
+        if (timeDuplicateAlignedRowIndexList != null
+            && !timeDuplicateAlignedRowIndexList.isEmpty()) {
           originRowIndex =
               list.getValidRowIndexForTimeDuplicatedRows(
-                  timeDuplicatedVectorRowIndexList, columnIndex);
+                  timeDuplicateAlignedRowIndexList, columnIndex);
         }
         boolean isNull = list.isValueMarked(originRowIndex, columnIndex);
         switch (dataTypes.get(columnIndex)) {
@@ -273,13 +274,13 @@ public class VectorWritableMemChunk implements 
IWritableMemChunk {
             break;
           default:
             LOGGER.error(
-                "VectorWritableMemChunk does not support data type: {}",
+                "AlignedWritableMemChunk does not support data type: {}",
                 dataTypes.get(columnIndex));
             break;
         }
       }
       chunkWriter.write(time);
-      timeDuplicatedVectorRowIndexList = null;
+      timeDuplicateAlignedRowIndexList = null;
     }
   }
 }
diff --git 
a/server/src/main/java/org/apache/iotdb/db/engine/memtable/IWritableMemChunk.java
 
b/server/src/main/java/org/apache/iotdb/db/engine/memtable/IWritableMemChunk.java
index 28b4026..17f3bc3 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/engine/memtable/IWritableMemChunk.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/engine/memtable/IWritableMemChunk.java
@@ -41,7 +41,7 @@ public interface IWritableMemChunk {
 
   void putBoolean(long t, boolean v);
 
-  void putVector(long t, Object[] v, int[] columnOrder);
+  void putAlignedValue(long t, Object[] v, int[] columnOrder);
 
   void putLongs(long[] t, long[] v, BitMap bitMap, int start, int end);
 
@@ -55,11 +55,12 @@ public interface IWritableMemChunk {
 
   void putBooleans(long[] t, boolean[] v, BitMap bitMap, int start, int end);
 
-  void putVectors(long[] t, Object[] v, BitMap[] bitMaps, int[] columnOrder, 
int start, int end);
+  void putAlignedValues(
+      long[] t, Object[] v, BitMap[] bitMaps, int[] columnOrder, int start, 
int end);
 
   void write(long insertTime, Object objectValue);
 
-  void writeVector(long insertTime, Object[] objectValue, IMeasurementSchema 
schema);
+  void writeAlignedValue(long insertTime, Object[] objectValue, 
IMeasurementSchema schema);
 
   /**
    * write data in the range [start, end). Null value in the valueList will be 
replaced by the
diff --git 
a/server/src/main/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTable.java
 
b/server/src/main/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTable.java
index 71cd460..6915967 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTable.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/engine/memtable/PrimitiveMemTable.java
@@ -43,8 +43,8 @@ public class PrimitiveMemTable extends AbstractMemTable {
   }
 
   @Override
-  protected IWritableMemChunk genVectorMemSeries(IMeasurementSchema schema) {
-    return new VectorWritableMemChunk((VectorMeasurementSchema) schema);
+  protected IWritableMemChunk genAlignedMemSeries(IMeasurementSchema schema) {
+    return new AlignedWritableMemChunk((VectorMeasurementSchema) schema);
   }
 
   @Override
diff --git 
a/server/src/main/java/org/apache/iotdb/db/engine/memtable/WritableMemChunk.java
 
b/server/src/main/java/org/apache/iotdb/db/engine/memtable/WritableMemChunk.java
index 3638f58..5e064af 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/engine/memtable/WritableMemChunk.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/engine/memtable/WritableMemChunk.java
@@ -72,7 +72,7 @@ public class WritableMemChunk implements IWritableMemChunk {
   }
 
   @Override
-  public void writeVector(long insertTime, Object[] objectValue, 
IMeasurementSchema schema) {
+  public void writeAlignedValue(long insertTime, Object[] objectValue, 
IMeasurementSchema schema) {
     throw new UnSupportedDataTypeException(UNSUPPORTED_TYPE + 
list.getDataType());
   }
 
@@ -151,7 +151,7 @@ public class WritableMemChunk implements IWritableMemChunk {
   }
 
   @Override
-  public void putVector(long t, Object[] v, int[] columnOrder) {
+  public void putAlignedValue(long t, Object[] v, int[] columnOrder) {
     throw new UnSupportedDataTypeException(UNSUPPORTED_TYPE + 
schema.getType());
   }
 
@@ -186,7 +186,7 @@ public class WritableMemChunk implements IWritableMemChunk {
   }
 
   @Override
-  public void putVectors(
+  public void putAlignedValues(
       long[] t, Object[] v, BitMap[] bitMaps, int[] columnOrder, int start, 
int end) {
     throw new UnSupportedDataTypeException(UNSUPPORTED_TYPE + 
schema.getType());
   }
diff --git 
a/server/src/main/java/org/apache/iotdb/db/engine/querycontext/ReadOnlyMemChunk.java
 
b/server/src/main/java/org/apache/iotdb/db/engine/querycontext/ReadOnlyMemChunk.java
index 18d26e3..f0fdbeb 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/engine/querycontext/ReadOnlyMemChunk.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/engine/querycontext/ReadOnlyMemChunk.java
@@ -145,7 +145,7 @@ public class ReadOnlyMemChunk {
   }
 
   /**
-   * The constructor for VECTOR type.
+   * The constructor for Aligned type.
    *
    * @param schema VectorMeasurementSchema
    * @param tvList VectorTvList
@@ -164,11 +164,11 @@ public class ReadOnlyMemChunk {
 
     this.chunkPointReader =
         tvList.getIterator(floatPrecision, encoding, chunkDataSize, 
deletionList);
-    initVectorChunkMeta((VectorMeasurementSchema) schema);
+    initAlignedChunkMeta((VectorMeasurementSchema) schema);
   }
 
   @SuppressWarnings("squid:S3776") // high Cognitive Complexity
-  private void initVectorChunkMeta(VectorMeasurementSchema schema)
+  private void initAlignedChunkMeta(VectorMeasurementSchema schema)
       throws IOException, QueryProcessException {
     Statistics timeStatistics = Statistics.getStatsByType(TSDataType.VECTOR);
     IChunkMetadata timeChunkMetadata =
diff --git 
a/server/src/main/java/org/apache/iotdb/db/engine/storagegroup/TsFileProcessor.java
 
b/server/src/main/java/org/apache/iotdb/db/engine/storagegroup/TsFileProcessor.java
index dbdc859..b50c904 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/engine/storagegroup/TsFileProcessor.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/engine/storagegroup/TsFileProcessor.java
@@ -48,8 +48,8 @@ import org.apache.iotdb.db.rescon.PrimitiveArrayManager;
 import org.apache.iotdb.db.rescon.SystemInfo;
 import org.apache.iotdb.db.utils.MemUtils;
 import org.apache.iotdb.db.utils.QueryUtils;
+import org.apache.iotdb.db.utils.datastructure.AlignedTVList;
 import org.apache.iotdb.db.utils.datastructure.TVList;
-import org.apache.iotdb.db.utils.datastructure.VectorTVList;
 import org.apache.iotdb.db.writelog.WALFlushListener;
 import org.apache.iotdb.db.writelog.manager.MultiFileLogNodeManager;
 import org.apache.iotdb.db.writelog.node.WriteLogNode;
@@ -212,7 +212,7 @@ public class TsFileProcessor {
     long[] memIncrements = null;
     if (enableMemControl) {
       if (insertRowPlan.isAligned()) {
-        memIncrements = checkMemCostAndAddToTspInfoForVector(insertRowPlan);
+        memIncrements = checkAlignedMemCostAndAddToTspInfo(insertRowPlan);
       } else {
         memIncrements = checkMemCostAndAddToTspInfo(insertRowPlan);
       }
@@ -278,7 +278,7 @@ public class TsFileProcessor {
     try {
       if (enableMemControl) {
         if (insertTabletPlan.isAligned()) {
-          memIncrements = 
checkMemCostAndAddToTspInfoForVector(insertTabletPlan, start, end);
+          memIncrements = checkAlignedMemCostAndAddToTsp(insertTabletPlan, 
start, end);
         } else {
           memIncrements = checkMemCostAndAddToTspInfo(insertTabletPlan, start, 
end);
         }
@@ -372,7 +372,7 @@ public class TsFileProcessor {
   }
 
   @SuppressWarnings("squid:S3776") // high Cognitive Complexity
-  private long[] checkMemCostAndAddToTspInfoForVector(InsertRowPlan 
insertRowPlan)
+  private long[] checkAlignedMemCostAndAddToTspInfo(InsertRowPlan 
insertRowPlan)
       throws WriteProcessException {
     // memory of increased PrimitiveArray and TEXT values, e.g., add a 
long[128], add 128*8
     long memTableIncrement = 0L;
@@ -384,13 +384,13 @@ public class TsFileProcessor {
       chunkMetadataIncrement +=
           ChunkMetadata.calculateRamSize(
               insertRowPlan.getMeasurements()[0], 
insertRowPlan.getDataTypes()[0]);
-      memTableIncrement += 
VectorTVList.vectorTvListArrayMemSize(insertRowPlan.getDataTypes());
+      memTableIncrement += 
AlignedTVList.alignedTvListArrayMemSize(insertRowPlan.getDataTypes());
     } else {
       // here currentChunkPointNum >= 1
       int currentChunkPointNum = 
workMemTable.getCurrentChunkPointNum(deviceId, null);
       memTableIncrement +=
           (currentChunkPointNum % PrimitiveArrayManager.ARRAY_SIZE) == 0
-              ? 
VectorTVList.vectorTvListArrayMemSize(insertRowPlan.getDataTypes())
+              ? 
AlignedTVList.alignedTvListArrayMemSize(insertRowPlan.getDataTypes())
               : 0;
     }
     for (int i = 0; i < insertRowPlan.getDataTypes().length; i++) {
@@ -433,7 +433,7 @@ public class TsFileProcessor {
     return memIncrements;
   }
 
-  private long[] checkMemCostAndAddToTspInfoForVector(
+  private long[] checkAlignedMemCostAndAddToTsp(
       InsertTabletPlan insertTabletPlan, int start, int end) throws 
WriteProcessException {
     if (start >= end) {
       return new long[] {0, 0, 0};
@@ -442,7 +442,7 @@ public class TsFileProcessor {
 
     String deviceId = insertTabletPlan.getPrefixPath().getFullPath();
 
-    updateVectorMemCost(
+    updateAlignedMemCost(
         insertTabletPlan.getDataTypes(),
         deviceId,
         insertTabletPlan.getMeasurements()[0],
@@ -494,7 +494,7 @@ public class TsFileProcessor {
     }
   }
 
-  private void updateVectorMemCost(
+  private void updateAlignedMemCost(
       TSDataType[] dataTypes,
       String deviceId,
       String measurementId,
@@ -509,19 +509,21 @@ public class TsFileProcessor {
           dataTypes.length * ChunkMetadata.calculateRamSize(measurementId, 
dataTypes[0]);
       memIncrements[0] +=
           ((end - start) / PrimitiveArrayManager.ARRAY_SIZE + 1)
-              * VectorTVList.vectorTvListArrayMemSize(dataTypes);
+              * AlignedTVList.alignedTvListArrayMemSize(dataTypes);
     } else {
       int currentChunkPointNum = 
workMemTable.getCurrentChunkPointNum(deviceId, null);
       if (currentChunkPointNum % PrimitiveArrayManager.ARRAY_SIZE == 0) {
         memIncrements[0] +=
             ((end - start) / PrimitiveArrayManager.ARRAY_SIZE + 1)
-                * VectorTVList.vectorTvListArrayMemSize(dataTypes);
+                * AlignedTVList.alignedTvListArrayMemSize(dataTypes);
       } else {
         int acquireArray =
             (end - start - 1 + (currentChunkPointNum % 
PrimitiveArrayManager.ARRAY_SIZE))
                 / PrimitiveArrayManager.ARRAY_SIZE;
         memIncrements[0] +=
-            acquireArray == 0 ? 0 : acquireArray * 
VectorTVList.vectorTvListArrayMemSize(dataTypes);
+            acquireArray == 0
+                ? 0
+                : acquireArray * 
AlignedTVList.alignedTvListArrayMemSize(dataTypes);
       }
     }
     // TEXT data size
diff --git 
a/server/src/main/java/org/apache/iotdb/db/metadata/path/AlignedPath.java 
b/server/src/main/java/org/apache/iotdb/db/metadata/path/AlignedPath.java
index a8398b8..ef42c21 100644
--- a/server/src/main/java/org/apache/iotdb/db/metadata/path/AlignedPath.java
+++ b/server/src/main/java/org/apache/iotdb/db/metadata/path/AlignedPath.java
@@ -19,8 +19,8 @@
 
 package org.apache.iotdb.db.metadata.path;
 
+import org.apache.iotdb.db.engine.memtable.AlignedWritableMemChunk;
 import org.apache.iotdb.db.engine.memtable.IWritableMemChunk;
-import org.apache.iotdb.db.engine.memtable.VectorWritableMemChunk;
 import org.apache.iotdb.db.engine.querycontext.QueryDataSource;
 import org.apache.iotdb.db.engine.querycontext.ReadOnlyMemChunk;
 import org.apache.iotdb.db.engine.storagegroup.TsFileResource;
@@ -269,7 +269,7 @@ public class AlignedPath extends PartialPath {
     timeTimeSeriesMetadata.setOffsetOfChunkMetaDataList(-1);
     timeTimeSeriesMetadata.setDataSizeOfChunkMetaDataList(-1);
     timeTimeSeriesMetadata.setMeasurementId("");
-    timeTimeSeriesMetadata.setTSDataType(TSDataType.INT64);
+    timeTimeSeriesMetadata.setTSDataType(TSDataType.VECTOR);
 
     Statistics<? extends Serializable> timeStatistics =
         Statistics.getStatsByType(timeTimeSeriesMetadata.getTSDataType());
@@ -325,8 +325,8 @@ public class AlignedPath extends PartialPath {
     if (!memTableMap.containsKey(getDevice())) {
       return null;
     }
-    VectorWritableMemChunk vectorMemChunk =
-        ((VectorWritableMemChunk) 
memTableMap.get(getDevice()).get(VECTOR_PLACEHOLDER));
+    AlignedWritableMemChunk vectorMemChunk =
+        ((AlignedWritableMemChunk) 
memTableMap.get(getDevice()).get(VECTOR_PLACEHOLDER));
     boolean containsMeasurement = false;
     for (String measurement : measurementList) {
       if (vectorMemChunk.containsMeasurement(measurement)) {
diff --git 
a/server/src/main/java/org/apache/iotdb/db/metadata/path/PartialPath.java 
b/server/src/main/java/org/apache/iotdb/db/metadata/path/PartialPath.java
index 62f5774..f620d27 100644
--- a/server/src/main/java/org/apache/iotdb/db/metadata/path/PartialPath.java
+++ b/server/src/main/java/org/apache/iotdb/db/metadata/path/PartialPath.java
@@ -18,17 +18,6 @@
  */
 package org.apache.iotdb.db.metadata.path;
 
-import static org.apache.iotdb.db.conf.IoTDBConstant.MULTI_LEVEL_PATH_WILDCARD;
-import static org.apache.iotdb.db.conf.IoTDBConstant.ONE_LEVEL_PATH_WILDCARD;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.regex.Pattern;
 import org.apache.iotdb.db.engine.memtable.IWritableMemChunk;
 import org.apache.iotdb.db.engine.querycontext.QueryDataSource;
 import org.apache.iotdb.db.engine.querycontext.ReadOnlyMemChunk;
@@ -48,9 +37,22 @@ import org.apache.iotdb.tsfile.read.common.Path;
 import org.apache.iotdb.tsfile.read.common.TimeRange;
 import org.apache.iotdb.tsfile.read.filter.basic.Filter;
 import org.apache.iotdb.tsfile.write.schema.IMeasurementSchema;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.regex.Pattern;
+
+import static org.apache.iotdb.db.conf.IoTDBConstant.MULTI_LEVEL_PATH_WILDCARD;
+import static org.apache.iotdb.db.conf.IoTDBConstant.ONE_LEVEL_PATH_WILDCARD;
+
 /**
  * A prefix path, suffix path or fullPath generated from SQL. Usually used in 
the IoTDB server
  * module
diff --git 
a/server/src/main/java/org/apache/iotdb/db/rescon/TVListAllocator.java 
b/server/src/main/java/org/apache/iotdb/db/rescon/TVListAllocator.java
index 06902e6..6d0c4e7 100644
--- a/server/src/main/java/org/apache/iotdb/db/rescon/TVListAllocator.java
+++ b/server/src/main/java/org/apache/iotdb/db/rescon/TVListAllocator.java
@@ -24,8 +24,8 @@ import org.apache.iotdb.db.exception.StartupException;
 import org.apache.iotdb.db.service.IService;
 import org.apache.iotdb.db.service.JMXService;
 import org.apache.iotdb.db.service.ServiceType;
+import org.apache.iotdb.db.utils.datastructure.AlignedTVList;
 import org.apache.iotdb.db.utils.datastructure.TVList;
-import org.apache.iotdb.db.utils.datastructure.VectorTVList;
 import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
 
 import java.util.ArrayDeque;
@@ -57,24 +57,12 @@ public class TVListAllocator implements 
TVListAllocatorMBean, IService {
     return list != null ? list : TVList.newList(dataType);
   }
 
-  public synchronized VectorTVList allocate(List<TSDataType> dataTypes) {
-    return VectorTVList.newVectorList(dataTypes);
+  public synchronized AlignedTVList allocate(List<TSDataType> dataTypes) {
+    return AlignedTVList.newAlignedList(dataTypes);
   }
 
-  /** For non-vector types. */
-  public synchronized void release(TSDataType dataType, TVList list) {
-    list.clear();
-    if (dataType != TSDataType.VECTOR) {
-      tvListCache.get(list.getDataType()).add(list);
-    }
-  }
-
-  /** For VECTOR type only. */
   public synchronized void release(TVList list) {
-    list.clear();
-    if (list.getDataType() != TSDataType.VECTOR) {
-      tvListCache.get(list.getDataType()).add(list);
-    }
+    list.clear(tvListCache);
   }
 
   @Override
diff --git 
a/server/src/main/java/org/apache/iotdb/db/utils/datastructure/VectorTVList.java
 
b/server/src/main/java/org/apache/iotdb/db/utils/datastructure/AlignedTVList.java
similarity index 92%
rename from 
server/src/main/java/org/apache/iotdb/db/utils/datastructure/VectorTVList.java
rename to 
server/src/main/java/org/apache/iotdb/db/utils/datastructure/AlignedTVList.java
index cabec52..5576f08 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/utils/datastructure/VectorTVList.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/utils/datastructure/AlignedTVList.java
@@ -32,12 +32,14 @@ import org.apache.iotdb.tsfile.utils.TsPrimitiveType;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.Queue;
 
 import static org.apache.iotdb.db.rescon.PrimitiveArrayManager.ARRAY_SIZE;
 
-public class VectorTVList extends TVList {
+public class AlignedTVList extends TVList {
 
-  // data types of this vector
+  // data types of this aligned tvlist
   private List<TSDataType> dataTypes;
 
   // data type list -> list of TVList, add 1 when expanded -> primitive array 
of basic type
@@ -58,7 +60,7 @@ public class VectorTVList extends TVList {
 
   private int pivotIndex;
 
-  VectorTVList(List<TSDataType> types) {
+  AlignedTVList(List<TSDataType> types) {
     super();
     indices = new ArrayList<>(types.size());
     dataTypes = types;
@@ -68,13 +70,13 @@ public class VectorTVList extends TVList {
     }
   }
 
-  public static VectorTVList newVectorList(List<TSDataType> datatypes) {
-    return new VectorTVList(datatypes);
+  public static AlignedTVList newAlignedList(List<TSDataType> datatypes) {
+    return new AlignedTVList(datatypes);
   }
 
   @SuppressWarnings("squid:S3776") // Suppress high Cognitive Complexity 
warning
   @Override
-  public void putVector(long timestamp, Object[] value, int[] columnOrder) {
+  public void putAlignedValue(long timestamp, Object[] value, int[] 
columnOrder) {
     checkExpansion();
     int arrayIndex = size / ARRAY_SIZE;
     int elementIndex = size % ARRAY_SIZE;
@@ -130,21 +132,21 @@ public class VectorTVList extends TVList {
     int arrayIndex = index / ARRAY_SIZE;
     int elementIndex = index % ARRAY_SIZE;
     int valueIndex = indices.get(arrayIndex)[elementIndex];
-    return getVectorByValueIndex(valueIndex, null);
+    return getAlignedValueByValueIndex(valueIndex, null);
   }
 
-  public TsPrimitiveType getVector(List<Integer> timeDuplicatedIndexList) {
+  public TsPrimitiveType getAlignedValue(List<Integer> 
timeDuplicatedIndexList) {
     int[] validIndexesForTimeDuplicatedRows = new int[values.size()];
     for (int i = 0; i < values.size(); i++) {
       validIndexesForTimeDuplicatedRows[i] =
           getValidRowIndexForTimeDuplicatedRows(timeDuplicatedIndexList, i);
     }
-    return getVectorByValueIndex(
+    return getAlignedValueByValueIndex(
         timeDuplicatedIndexList.get(timeDuplicatedIndexList.size() - 1),
         validIndexesForTimeDuplicatedRows);
   }
 
-  private TsPrimitiveType getVectorByValueIndex(
+  private TsPrimitiveType getAlignedValueByValueIndex(
       int valueIndex, int[] validIndexesForTimeDuplicatedRows) {
     if (valueIndex >= size) {
       throw new ArrayIndexOutOfBoundsException(valueIndex);
@@ -237,13 +239,13 @@ public class VectorTVList extends TVList {
         }
       }
     }
-    VectorTVList vectorTvList = new VectorTVList(types);
-    vectorTvList.timestamps = this.timestamps;
-    vectorTvList.indices = this.indices;
-    vectorTvList.values = values;
-    vectorTvList.bitMaps = bitMaps;
-    vectorTvList.size = this.size;
-    return vectorTvList;
+    AlignedTVList alignedTvList = new AlignedTVList(types);
+    alignedTvList.timestamps = this.timestamps;
+    alignedTvList.indices = this.indices;
+    alignedTvList.values = values;
+    alignedTvList.bitMaps = bitMaps;
+    alignedTvList.size = this.size;
+    return alignedTvList;
   }
 
   private void generateEmptyColumn(
@@ -277,12 +279,13 @@ public class VectorTVList extends TVList {
       bitMap.markAll();
       columnBitMaps.add(bitMap);
     }
+    // values.size() is the index of column
+    bitMaps.set(values.size(), columnBitMaps);
     values.add(columnValue);
-    bitMaps.add(columnBitMaps);
   }
 
   /**
-   * Get the int value at the given position in VectorTvList.
+   * Get the int value at the given position in AlignedTvList.
    *
    * @param rowIndex value index inside this column
    * @param columnIndex index of the column
@@ -434,8 +437,8 @@ public class VectorTVList extends TVList {
 
   @SuppressWarnings("squid:S3776") // Suppress high Cognitive Complexity 
warning
   @Override
-  public VectorTVList clone() {
-    VectorTVList cloneList = new VectorTVList(dataTypes);
+  public AlignedTVList clone() {
+    AlignedTVList cloneList = new AlignedTVList(dataTypes);
     cloneAs(cloneList);
     for (int[] indicesArray : indices) {
       cloneList.indices.add(cloneIndex(indicesArray));
@@ -662,7 +665,7 @@ public class VectorTVList extends TVList {
   @Override
   public TimeValuePair getTimeValuePairForTimeDuplicatedRows(
       List<Integer> indexList, long time, Integer floatPrecision, TSEncoding 
encoding) {
-    return new TimeValuePair(time, getVector(indexList));
+    return new TimeValuePair(time, getAlignedValue(indexList));
   }
 
   @Override
@@ -675,7 +678,7 @@ public class VectorTVList extends TVList {
 
   @SuppressWarnings("squid:S3776") // Suppress high Cognitive Complexity 
warning
   @Override
-  public void putVectors(
+  public void putAlignedValues(
       long[] time, Object[] value, BitMap[] bitMaps, int[] columnOrder, int 
start, int end) {
     checkExpansion();
     int idx = start;
@@ -793,12 +796,12 @@ public class VectorTVList extends TVList {
   }
 
   /**
-   * Get the single vectorTVList array size by give types.
+   * Get the single alignedTVList array size by give types.
    *
    * @param types the types in the vector
-   * @return VectorTvListArrayMemSize
+   * @return AlignedTvListArrayMemSize
    */
-  public static long vectorTvListArrayMemSize(TSDataType[] types) {
+  public static long alignedTvListArrayMemSize(TSDataType[] types) {
     long size = 0;
     // time size
     size += (long) PrimitiveArrayManager.ARRAY_SIZE * 8L;
@@ -812,24 +815,36 @@ public class VectorTVList extends TVList {
   }
 
   @Override
+  public void clear(Map<TSDataType, Queue<TVList>> tvListCache) {
+    size = 0;
+    sorted = true;
+    minTime = Long.MAX_VALUE;
+    clearTime();
+    clearSortedTime();
+
+    clearValue();
+    clearSortedValue();
+  }
+
+  @Override
   @TestOnly
   public IPointReader getIterator() {
-    return new VectorIte();
+    return new AlignedIte();
   }
 
   @Override
   public IPointReader getIterator(
       int floatPrecision, TSEncoding encoding, int size, List<TimeRange> 
deletionList) {
-    return new VectorIte(floatPrecision, encoding, size, deletionList);
+    return new AlignedIte(floatPrecision, encoding, size, deletionList);
   }
 
-  private class VectorIte extends Ite {
+  private class AlignedIte extends Ite {
 
-    public VectorIte() {
+    public AlignedIte() {
       super();
     }
 
-    public VectorIte(
+    public AlignedIte(
         int floatPrecision, TSEncoding encoding, int size, List<TimeRange> 
deletionList) {
       super(floatPrecision, encoding, size, deletionList);
     }
@@ -840,24 +855,24 @@ public class VectorTVList extends TVList {
         return true;
       }
 
-      List<Integer> timeDuplicatedVectorRowIndexList = null;
+      List<Integer> timeDuplicatedAlignedRowIndexList = null;
       while (cur < iteSize) {
         long time = getTime(cur);
         if (isPointDeleted(time) || (cur + 1 < size() && (time == getTime(cur 
+ 1)))) {
-          if (timeDuplicatedVectorRowIndexList == null) {
-            timeDuplicatedVectorRowIndexList = new ArrayList<>();
-            timeDuplicatedVectorRowIndexList.add(getValueIndex(cur));
+          if (timeDuplicatedAlignedRowIndexList == null) {
+            timeDuplicatedAlignedRowIndexList = new ArrayList<>();
+            timeDuplicatedAlignedRowIndexList.add(getValueIndex(cur));
           }
-          timeDuplicatedVectorRowIndexList.add(getValueIndex(cur + 1));
+          timeDuplicatedAlignedRowIndexList.add(getValueIndex(cur + 1));
           cur++;
           continue;
         }
         TimeValuePair tvPair;
-        if (timeDuplicatedVectorRowIndexList != null) {
+        if (timeDuplicatedAlignedRowIndexList != null) {
           tvPair =
               getTimeValuePairForTimeDuplicatedRows(
-                  timeDuplicatedVectorRowIndexList, time, floatPrecision, 
encoding);
-          timeDuplicatedVectorRowIndexList = null;
+                  timeDuplicatedAlignedRowIndexList, time, floatPrecision, 
encoding);
+          timeDuplicatedAlignedRowIndexList = null;
         } else {
           tvPair = getTimeValuePair(cur, time, floatPrecision, encoding);
         }
diff --git 
a/server/src/main/java/org/apache/iotdb/db/utils/datastructure/TVList.java 
b/server/src/main/java/org/apache/iotdb/db/utils/datastructure/TVList.java
index 3fe1e3a..a77544a 100644
--- a/server/src/main/java/org/apache/iotdb/db/utils/datastructure/TVList.java
+++ b/server/src/main/java/org/apache/iotdb/db/utils/datastructure/TVList.java
@@ -32,6 +32,8 @@ import org.apache.iotdb.tsfile.utils.BitMap;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.Queue;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import static org.apache.iotdb.db.rescon.PrimitiveArrayManager.ARRAY_SIZE;
@@ -140,7 +142,7 @@ public abstract class TVList {
     throw new UnsupportedOperationException(ERR_DATATYPE_NOT_CONSISTENT);
   }
 
-  public void putVector(long time, Object[] value, int[] columnOrder) {
+  public void putAlignedValue(long time, Object[] value, int[] columnOrder) {
     throw new UnsupportedOperationException(ERR_DATATYPE_NOT_CONSISTENT);
   }
 
@@ -168,7 +170,7 @@ public abstract class TVList {
     throw new UnsupportedOperationException(ERR_DATATYPE_NOT_CONSISTENT);
   }
 
-  public void putVectors(
+  public void putAlignedValues(
       long[] time, Object[] value, BitMap[] bitMaps, int[] columnOrder, int 
start, int end) {
     throw new UnsupportedOperationException(ERR_DATATYPE_NOT_CONSISTENT);
   }
@@ -276,7 +278,7 @@ public abstract class TVList {
     cloneList.minTime = minTime;
   }
 
-  public void clear() {
+  public void clear(Map<TSDataType, Queue<TVList>> tvListCache) {
     size = 0;
     sorted = true;
     minTime = Long.MAX_VALUE;
@@ -285,6 +287,7 @@ public abstract class TVList {
 
     clearValue();
     clearSortedValue();
+    tvListCache.get(getDataType()).add(this);
   }
 
   protected void clearTime() {
diff --git 
a/server/src/test/java/org/apache/iotdb/db/utils/datastructure/VectorTVListTest.java
 
b/server/src/test/java/org/apache/iotdb/db/utils/datastructure/VectorTVListTest.java
index f0e7835..14aa8b2 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/utils/datastructure/VectorTVListTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/utils/datastructure/VectorTVListTest.java
@@ -37,7 +37,7 @@ public class VectorTVListTest {
     for (int i = 0; i < 5; i++) {
       dataTypes.add(TSDataType.INT64);
     }
-    VectorTVList tvList = new VectorTVList(dataTypes);
+    AlignedTVList tvList = new AlignedTVList(dataTypes);
     for (long i = 0; i < 1000; i++) {
       Object[] value = new Object[5];
       int[] columnOrder = new int[5];
@@ -45,7 +45,7 @@ public class VectorTVListTest {
         value[j] = i;
         columnOrder[j] = j;
       }
-      tvList.putVector(i, value, columnOrder);
+      tvList.putAlignedValue(i, value, columnOrder);
     }
     for (int i = 0; i < tvList.size; i++) {
       StringBuilder builder = new StringBuilder("[");
@@ -68,7 +68,7 @@ public class VectorTVListTest {
     dataTypes.add(TSDataType.FLOAT);
     dataTypes.add(TSDataType.DOUBLE);
     dataTypes.add(TSDataType.TEXT);
-    VectorTVList tvList = new VectorTVList(dataTypes);
+    AlignedTVList tvList = new AlignedTVList(dataTypes);
     for (int i = 1000; i >= 0; i--) {
       Object[] value = new Object[6];
       value[0] = false;
@@ -81,7 +81,7 @@ public class VectorTVListTest {
       for (int j = 0; j < 6; j++) {
         columnOrder[j] = j;
       }
-      tvList.putVector(i, value, columnOrder);
+      tvList.putAlignedValue(i, value, columnOrder);
     }
     tvList.sort();
     for (int i = 0; i < tvList.size; i++) {
@@ -99,7 +99,7 @@ public class VectorTVListTest {
     for (int i = 0; i < 5; i++) {
       dataTypes.add(TSDataType.INT64);
     }
-    VectorTVList tvList = new VectorTVList(dataTypes);
+    AlignedTVList tvList = new AlignedTVList(dataTypes);
     long[][] vectorArray = new long[5][1001];
     List<Long> timeList = new ArrayList<>();
     int[] columnOrder = new int[5];
@@ -111,7 +111,7 @@ public class VectorTVListTest {
       }
     }
 
-    tvList.putVectors(
+    tvList.putAlignedValues(
         ArrayUtils.toPrimitive(timeList.toArray(new Long[0])),
         vectorArray,
         null,
@@ -131,7 +131,7 @@ public class VectorTVListTest {
       dataTypes.add(TSDataType.INT64);
       bitMaps[i] = new BitMap(1001);
     }
-    VectorTVList tvList = new VectorTVList(dataTypes);
+    AlignedTVList tvList = new AlignedTVList(dataTypes);
     long[][] vectorArray = new long[5][1001];
     int[] columnOrder = new int[5];
     List<Long> timeList = new ArrayList<>();
@@ -146,7 +146,7 @@ public class VectorTVListTest {
       }
     }
 
-    tvList.putVectors(
+    tvList.putAlignedValues(
         ArrayUtils.toPrimitive(timeList.toArray(new Long[0])),
         vectorArray,
         bitMaps,
@@ -169,7 +169,7 @@ public class VectorTVListTest {
       dataTypes.add(TSDataType.INT64);
       bitMaps[i] = new BitMap(1001);
     }
-    VectorTVList tvList = new VectorTVList(dataTypes);
+    AlignedTVList tvList = new AlignedTVList(dataTypes);
     long[][] vectorArray = new long[5][1001];
     int[] columnOrder = new int[5];
     List<Long> timeList = new ArrayList<>();
@@ -184,7 +184,7 @@ public class VectorTVListTest {
       }
     }
 
-    tvList.putVectors(
+    tvList.putAlignedValues(
         ArrayUtils.toPrimitive(timeList.toArray(new Long[0])),
         vectorArray,
         bitMaps,
@@ -192,7 +192,7 @@ public class VectorTVListTest {
         0,
         1000);
 
-    VectorTVList clonedTvList = tvList.clone();
+    AlignedTVList clonedTvList = tvList.clone();
     for (long i = 0; i < tvList.size; i++) {
       Assert.assertEquals(tvList.getTime((int) i), clonedTvList.getTime((int) 
i));
       Assert.assertEquals(
diff --git 
a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetadata.java 
b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetadata.java
index 01e6024..dad4fdd 100644
--- 
a/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetadata.java
+++ 
b/tsfile/src/main/java/org/apache/iotdb/tsfile/file/metadata/ChunkMetadata.java
@@ -74,7 +74,7 @@ public class ChunkMetadata implements Accountable, 
IChunkMetadata {
   private boolean isSeq = true;
   private boolean isClosed;
   private String filePath;
-  
+
   // 0x80 for time chunk, 0x40 for value chunk, 0x00 for common chunk
   private byte mask;
 

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