zhanglingzhe0820 commented on a change in pull request #1758:
URL: https://github.com/apache/iotdb/pull/1758#discussion_r508607521
##########
File path:
server/src/main/java/org/apache/iotdb/db/engine/tsfilemanagement/TsFileManagement.java
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@@ -19,24 +19,57 @@
package org.apache.iotdb.db.engine.tsfilemanagement;
+import static
org.apache.iotdb.db.engine.storagegroup.StorageGroupProcessor.MERGING_MODIFICATION_FILE_NAME;
+
+import java.io.File;
import java.io.IOException;
+import java.nio.file.Files;
import java.util.Iterator;
import java.util.List;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
+import org.apache.iotdb.db.conf.IoTDBDescriptor;
+import org.apache.iotdb.db.engine.merge.manage.MergeManager;
+import org.apache.iotdb.db.engine.merge.manage.MergeResource;
+import org.apache.iotdb.db.engine.merge.selector.IMergeFileSelector;
+import org.apache.iotdb.db.engine.merge.selector.MaxFileMergeFileSelector;
+import org.apache.iotdb.db.engine.merge.selector.MaxSeriesMergeFileSelector;
+import org.apache.iotdb.db.engine.merge.selector.MergeFileStrategy;
+import org.apache.iotdb.db.engine.merge.task.MergeTask;
+import org.apache.iotdb.db.engine.modification.Modification;
+import org.apache.iotdb.db.engine.modification.ModificationFile;
import
org.apache.iotdb.db.engine.storagegroup.StorageGroupProcessor.CloseHotCompactionMergeCallBack;
import org.apache.iotdb.db.engine.storagegroup.TsFileResource;
+import org.apache.iotdb.db.engine.tsfilemanagement.level.LevelTsFileManagement;
Review comment:
okay, I will remove all useless import in whole project
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