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ejttianyu pushed a commit to branch dev_merge_stra
in repository https://gitbox.apache.org/repos/asf/incubator-iotdb.git

commit 6653cec7c9026f14d5df2adff6111c7952428777
Author: EJTTianyu <[email protected]>
AuthorDate: Fri Jun 12 15:19:14 2020 +0800

    fix windows travis problem
---
 .../apache/iotdb/db/engine/merge/BaseFileSelector.java  |  1 -
 .../apache/iotdb/db/engine/MetadataManagerHelper.java   |  3 +--
 .../org/apache/iotdb/db/engine/merge/MergeTest.java     |  8 +++-----
 ...st.java => InplaceMaxFileMergeFileSelectorTest.java} |  2 +-
 .../{MergeLogTest.java => InplaceMergeLogTest.java}     |  2 +-
 .../{MergePerfTest.java => InplaceMergePerfTest.java}   |  4 ++--
 .../{MergeTaskTest.java => InplaceMergeTaskTest.java}   |  2 +-
 ...st.java => SqueezeMaxFileMergeFileSelectorTest.java} |  2 +-
 .../{MergeLogTest.java => SqueezeMergeLogTest.java}     |  5 +++--
 .../{MergeTaskTest.java => SqueezeMergeTaskTest.java}   | 10 ++++++++--
 ... => RegularizationMaxFileMergeFileSelectorTest.java} | 17 ++++++++++++++---
 ...ergeLogTest.java => RegularizationMergeLogTest.java} |  5 +++--
 ...geTaskTest.java => RegularizationMergeTaskTest.java} |  9 +++++++--
 .../iotdb/db/integration/IoTDBSensorUpdateIT.java       |  3 ---
 14 files changed, 45 insertions(+), 28 deletions(-)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/engine/merge/BaseFileSelector.java 
b/server/src/main/java/org/apache/iotdb/db/engine/merge/BaseFileSelector.java
index 53faaa6..951848f 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/engine/merge/BaseFileSelector.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/engine/merge/BaseFileSelector.java
@@ -61,7 +61,6 @@ public abstract class BaseFileSelector implements 
IMergeFileSelector {
 
   public Pair<MergeResource, SelectorContext> select() throws MergeException {
     selectorContext.setStartTime(System.currentTimeMillis());
-    MergeResource resource = new MergeResource();
     try {
       logger.info("Selecting merge candidates from {} seqFile, {} unseqFiles", 
seqFiles.size(),
           unseqFiles.size());
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/MetadataManagerHelper.java 
b/server/src/test/java/org/apache/iotdb/db/engine/MetadataManagerHelper.java
index 78806da..19fe101 100644
--- a/server/src/test/java/org/apache/iotdb/db/engine/MetadataManagerHelper.java
+++ b/server/src/test/java/org/apache/iotdb/db/engine/MetadataManagerHelper.java
@@ -18,14 +18,13 @@
  */
 package org.apache.iotdb.db.engine;
 
+import java.util.Collections;
 import org.apache.iotdb.db.metadata.MManager;
 import org.apache.iotdb.tsfile.common.conf.TSFileDescriptor;
 import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType;
 import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
 import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;
 
-import java.util.Collections;
-
 public class MetadataManagerHelper {
 
   public static void initMetadata() {
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/MergeTest.java 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/MergeTest.java
index 15626ba..c1584bb 100644
--- a/server/src/test/java/org/apache/iotdb/db/engine/merge/MergeTest.java
+++ b/server/src/test/java/org/apache/iotdb/db/engine/merge/MergeTest.java
@@ -26,15 +26,14 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.Set;
 import org.apache.iotdb.db.conf.IoTDBConstant;
 import org.apache.iotdb.db.conf.IoTDBDescriptor;
 import org.apache.iotdb.db.constant.TestConstant;
 import org.apache.iotdb.db.engine.cache.ChunkMetadataCache;
 import org.apache.iotdb.db.engine.merge.manage.MergeManager;
 import org.apache.iotdb.db.engine.storagegroup.TsFileResource;
-import org.apache.iotdb.db.exception.metadata.MetadataException;
 import org.apache.iotdb.db.exception.StorageEngineException;
+import org.apache.iotdb.db.exception.metadata.MetadataException;
 import org.apache.iotdb.db.metadata.MManager;
 import org.apache.iotdb.db.query.control.FileReaderManager;
 import org.apache.iotdb.db.utils.EnvironmentUtils;
@@ -72,7 +71,7 @@ public abstract class MergeTest {
 
   @Before
   public void setUp()
-      throws IOException, WriteProcessException, MetadataException, 
MetadataException {
+      throws IOException, WriteProcessException, MetadataException {
     MManager.getInstance().init();
     prevMergeChunkThreshold =
         
IoTDBDescriptor.getInstance().getConfig().getChunkMergePointThreshold();
@@ -165,8 +164,7 @@ public abstract class MergeTest {
   }
 
   void prepareFile(TsFileResource tsFileResource, long timeOffset, long ptNum,
-      long valueOffset)
-      throws IOException, WriteProcessException {
+      long valueOffset) throws IOException, WriteProcessException {
     TsFileWriter fileWriter = new TsFileWriter(tsFileResource.getFile());
     for (String deviceId : deviceIds) {
       for (MeasurementSchema measurementSchema : measurementSchemas) {
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MaxFileMergeFileSelectorTest.java
 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMaxFileMergeFileSelectorTest.java
similarity index 98%
rename from 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MaxFileMergeFileSelectorTest.java
rename to 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMaxFileMergeFileSelectorTest.java
index 0e9dc43..ce5c147 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MaxFileMergeFileSelectorTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMaxFileMergeFileSelectorTest.java
@@ -33,7 +33,7 @@ import org.apache.iotdb.db.exception.MergeException;
 import org.apache.iotdb.tsfile.utils.Pair;
 import org.junit.Test;
 
-public class MaxFileMergeFileSelectorTest extends MergeTest {
+public class InplaceMaxFileMergeFileSelectorTest extends MergeTest {
 
   @Test
   public void testFullSelection() throws MergeException, IOException {
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MergeLogTest.java
 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMergeLogTest.java
similarity index 98%
rename from 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MergeLogTest.java
rename to 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMergeLogTest.java
index 5f586a9..a77b8b9 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MergeLogTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMergeLogTest.java
@@ -41,7 +41,7 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public class MergeLogTest extends MergeTest {
+public class InplaceMergeLogTest extends MergeTest {
 
   File tempSGDir;
 
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MergePerfTest.java
 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMergePerfTest.java
similarity index 96%
rename from 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MergePerfTest.java
rename to 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMergePerfTest.java
index f0ace11..af3d776 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MergePerfTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMergePerfTest.java
@@ -31,7 +31,7 @@ import org.apache.iotdb.db.engine.merge.manage.MergeResource;
 import org.apache.iotdb.db.metadata.MManager;
 import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;
 
-public class MergePerfTest extends MergeTest {
+public class InplaceMergePerfTest extends MergeTest {
 
   private long timeConsumption;
   private boolean fullMerge;
@@ -58,7 +58,7 @@ public class MergePerfTest extends MergeTest {
     IoTDBDescriptor.getInstance().getConfig().setChunkMergePointThreshold(-1);
 
     List<Long> timeConsumptions = new ArrayList<>();
-    MergePerfTest perfTest = new MergePerfTest();
+    InplaceMergePerfTest perfTest = new InplaceMergePerfTest();
 
     perfTest.seqFileNum = 5;
     perfTest.unseqFileNum = 5;
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MergeTaskTest.java
 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMergeTaskTest.java
similarity index 99%
rename from 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MergeTaskTest.java
rename to 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMergeTaskTest.java
index ec22286..98e8889 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/MergeTaskTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/inplace/InplaceMergeTaskTest.java
@@ -45,7 +45,7 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public class MergeTaskTest extends MergeTest {
+public class InplaceMergeTaskTest extends MergeTest {
 
   private File tempSGDir;
 
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/MaxFileMergeFileSelectorTest.java
 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/SqueezeMaxFileMergeFileSelectorTest.java
similarity index 97%
rename from 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/MaxFileMergeFileSelectorTest.java
rename to 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/SqueezeMaxFileMergeFileSelectorTest.java
index 39175d1..c6238c7 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/MaxFileMergeFileSelectorTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/SqueezeMaxFileMergeFileSelectorTest.java
@@ -34,7 +34,7 @@ import org.apache.iotdb.db.exception.MergeException;
 import org.apache.iotdb.tsfile.utils.Pair;
 import org.junit.Test;
 
-public class MaxFileMergeFileSelectorTest extends MergeTest {
+public class SqueezeMaxFileMergeFileSelectorTest extends MergeTest {
 
   @Test
   public void testFullSelection() throws MergeException, IOException {
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/MergeLogTest.java
 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/SqueezeMergeLogTest.java
similarity index 94%
rename from 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/MergeLogTest.java
rename to 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/SqueezeMergeLogTest.java
index 90fe4d6..ed654e3 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/MergeLogTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/SqueezeMergeLogTest.java
@@ -28,6 +28,7 @@ import java.io.FileReader;
 import java.io.IOException;
 import java.util.List;
 import org.apache.commons.io.FileUtils;
+import org.apache.iotdb.db.constant.TestConstant;
 import org.apache.iotdb.db.engine.merge.MergeTest;
 import org.apache.iotdb.db.engine.merge.manage.MergeResource;
 import org.apache.iotdb.db.engine.merge.seqMerge.squeeze.task.SqueezeMergeTask;
@@ -39,14 +40,14 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public class MergeLogTest extends MergeTest {
+public class SqueezeMergeLogTest extends MergeTest {
 
   private File tempSGDir;
 
   @Before
   public void setUp() throws IOException, WriteProcessException, 
MetadataException {
     super.setUp();
-    tempSGDir = new File("tempSG");
+    tempSGDir = new File(TestConstant.BASE_OUTPUT_PATH.concat("tempSG"));
     tempSGDir.mkdirs();
   }
 
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/MergeTaskTest.java
 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/SqueezeMergeTaskTest.java
similarity index 95%
rename from 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/MergeTaskTest.java
rename to 
server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/SqueezeMergeTaskTest.java
index 35d139e..7593cf5 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/MergeTaskTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/seqMerge/squeeze/SqueezeMergeTaskTest.java
@@ -27,6 +27,7 @@ import java.util.ArrayList;
 import java.util.List;
 import org.apache.commons.io.FileUtils;
 import org.apache.iotdb.db.conf.IoTDBDescriptor;
+import org.apache.iotdb.db.constant.TestConstant;
 import org.apache.iotdb.db.engine.merge.MergeTest;
 import org.apache.iotdb.db.engine.merge.manage.MergeResource;
 import org.apache.iotdb.db.engine.merge.seqMerge.squeeze.task.SqueezeMergeTask;
@@ -45,22 +46,27 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public class MergeTaskTest extends MergeTest {
+public class SqueezeMergeTaskTest extends MergeTest {
 
   private File tempSGDir;
+  private MergeSizeSelectorStrategy preMergeSizeSelectorStrategy;
 
   @Before
   public void setUp() throws IOException, WriteProcessException, 
MetadataException {
     super.setUp();
+    preMergeSizeSelectorStrategy = IoTDBDescriptor.getInstance().getConfig()
+        .getMergeSizeSelectorStrategy();
     IoTDBDescriptor.getInstance().getConfig().setMergeSizeSelectorStrategy(
         MergeSizeSelectorStrategy.TIME_RANGE);
-    tempSGDir = new File("tempSG");
+    tempSGDir = new File(TestConstant.BASE_OUTPUT_PATH.concat("tempSG"));
     tempSGDir.mkdirs();
   }
 
   @After
   public void tearDown() throws IOException, StorageEngineException {
     super.tearDown();
+    IoTDBDescriptor.getInstance().getConfig().setMergeSizeSelectorStrategy(
+        preMergeSizeSelectorStrategy);
     FileUtils.deleteDirectory(tempSGDir);
   }
 
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/MaxFileMergeFileSelectorTest.java
 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/RegularizationMaxFileMergeFileSelectorTest.java
similarity index 82%
rename from 
server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/MaxFileMergeFileSelectorTest.java
rename to 
server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/RegularizationMaxFileMergeFileSelectorTest.java
index 989a2eb..1eaf24b 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/MaxFileMergeFileSelectorTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/RegularizationMaxFileMergeFileSelectorTest.java
@@ -20,12 +20,10 @@ package 
org.apache.iotdb.db.engine.merge.sizeMerge.regularization;
 
 import static org.junit.Assert.assertEquals;
 
-import java.io.File;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 import org.apache.iotdb.db.conf.IoTDBDescriptor;
-import org.apache.iotdb.db.constant.TestConstant;
 import org.apache.iotdb.db.engine.merge.IMergeFileSelector;
 import org.apache.iotdb.db.engine.merge.MergeTest;
 import org.apache.iotdb.db.engine.merge.manage.MergeResource;
@@ -33,21 +31,34 @@ import 
org.apache.iotdb.db.engine.merge.sizeMerge.regularization.selector.Regula
 import org.apache.iotdb.db.engine.merge.utils.SelectorContext;
 import org.apache.iotdb.db.engine.storagegroup.TsFileResource;
 import org.apache.iotdb.db.exception.MergeException;
+import org.apache.iotdb.db.exception.StorageEngineException;
 import org.apache.iotdb.db.exception.metadata.MetadataException;
 import org.apache.iotdb.tsfile.exception.write.WriteProcessException;
 import org.apache.iotdb.tsfile.utils.Pair;
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public class MaxFileMergeFileSelectorTest extends MergeTest {
+public class RegularizationMaxFileMergeFileSelectorTest extends MergeTest {
+
+  private int preChunkMergePointThreshold;
 
   @Before
   public void setUp()
       throws IOException, WriteProcessException, MetadataException {
     super.setUp();
+    preChunkMergePointThreshold = IoTDBDescriptor.getInstance().getConfig()
+        .getChunkMergePointThreshold();
     IoTDBDescriptor.getInstance().getConfig().setChunkMergePointThreshold(100);
   }
 
+  @After
+  public void tearDown() throws IOException, StorageEngineException {
+    super.tearDown();
+    IoTDBDescriptor.getInstance().getConfig()
+        .setChunkMergePointThreshold(preChunkMergePointThreshold);
+  }
+
   @Test
   public void testFullSelection() throws MergeException, IOException {
     IMergeFileSelector mergeFileSelector = new 
RegularizationMaxFileSelector(seqResources,
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/MergeLogTest.java
 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/RegularizationMergeLogTest.java
similarity index 94%
rename from 
server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/MergeLogTest.java
rename to 
server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/RegularizationMergeLogTest.java
index e273ae1..53c2477 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/MergeLogTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/RegularizationMergeLogTest.java
@@ -28,6 +28,7 @@ import java.io.FileReader;
 import java.io.IOException;
 import java.util.List;
 import org.apache.commons.io.FileUtils;
+import org.apache.iotdb.db.constant.TestConstant;
 import org.apache.iotdb.db.engine.merge.MergeTest;
 import org.apache.iotdb.db.engine.merge.manage.MergeResource;
 import 
org.apache.iotdb.db.engine.merge.sizeMerge.regularization.task.RegularizationMergeTask;
@@ -39,14 +40,14 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public class MergeLogTest extends MergeTest {
+public class RegularizationMergeLogTest extends MergeTest {
 
   private File tempSGDir;
 
   @Before
   public void setUp() throws IOException, WriteProcessException, 
MetadataException {
     super.setUp();
-    tempSGDir = new File("tempSG");
+    tempSGDir = new File(TestConstant.BASE_OUTPUT_PATH.concat("tempSG"));
     tempSGDir.mkdirs();
   }
 
diff --git 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/MergeTaskTest.java
 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/RegularizationMergeTaskTest.java
similarity index 93%
rename from 
server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/MergeTaskTest.java
rename to 
server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/RegularizationMergeTaskTest.java
index 24bad6e..62bbfa4 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/MergeTaskTest.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/engine/merge/sizeMerge/regularization/RegularizationMergeTaskTest.java
@@ -45,14 +45,17 @@ import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-public class MergeTaskTest extends MergeTest {
+public class RegularizationMergeTaskTest extends MergeTest {
 
   private File tempSGDir;
+  private int preChunkMergePointThreshold;
 
   @Before
   public void setUp()
-      throws IOException, WriteProcessException, MetadataException, 
MetadataException {
+      throws IOException, WriteProcessException, MetadataException {
     super.setUp();
+    preChunkMergePointThreshold = IoTDBDescriptor.getInstance().getConfig()
+        .getChunkMergePointThreshold();
     IoTDBDescriptor.getInstance().getConfig().setChunkMergePointThreshold(100);
     tempSGDir = new File(TestConstant.BASE_OUTPUT_PATH.concat("tempSG"));
     tempSGDir.mkdirs();
@@ -61,6 +64,8 @@ public class MergeTaskTest extends MergeTest {
   @After
   public void tearDown() throws IOException, StorageEngineException {
     super.tearDown();
+    IoTDBDescriptor.getInstance().getConfig()
+        .setChunkMergePointThreshold(preChunkMergePointThreshold);
     FileUtils.deleteDirectory(tempSGDir);
   }
 
diff --git 
a/server/src/test/java/org/apache/iotdb/db/integration/IoTDBSensorUpdateIT.java 
b/server/src/test/java/org/apache/iotdb/db/integration/IoTDBSensorUpdateIT.java
index 9999f9b..c404297 100644
--- 
a/server/src/test/java/org/apache/iotdb/db/integration/IoTDBSensorUpdateIT.java
+++ 
b/server/src/test/java/org/apache/iotdb/db/integration/IoTDBSensorUpdateIT.java
@@ -25,8 +25,6 @@ import java.sql.DriverManager;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
-import org.apache.iotdb.db.conf.IoTDBDescriptor;
-import org.apache.iotdb.db.engine.merge.seqMerge.SeqMergeFileStrategy;
 import org.apache.iotdb.db.utils.EnvironmentUtils;
 import org.apache.iotdb.jdbc.Config;
 import org.junit.After;
@@ -39,7 +37,6 @@ public class IoTDBSensorUpdateIT {
   public void setUp() throws Exception {
     EnvironmentUtils.closeStatMonitor();
     EnvironmentUtils.envSetUp();
-    
IoTDBDescriptor.getInstance().getConfig().setSeqMergeFileStrategy(SeqMergeFileStrategy.INPLACE);
     Class.forName(Config.JDBC_DRIVER_NAME);
   }
 

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