Github user jackylk commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1470#discussion_r149078482
--- Diff:
streaming/src/main/java/org/apache/carbondata/streaming/segment/StreamSegmentManager.java
---
@@ -0,0 +1,302 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.carbondata.streaming.segment;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.carbondata.common.CarbonIterator;
+import org.apache.carbondata.common.logging.LogService;
+import org.apache.carbondata.common.logging.LogServiceFactory;
+import org.apache.carbondata.core.constants.CarbonCommonConstants;
+import org.apache.carbondata.core.datastore.filesystem.CarbonFile;
+import org.apache.carbondata.core.datastore.filesystem.CarbonFileFilter;
+import org.apache.carbondata.core.datastore.impl.FileFactory;
+import org.apache.carbondata.core.locks.ICarbonLock;
+import org.apache.carbondata.core.metadata.schema.table.CarbonTable;
+import org.apache.carbondata.core.reader.CarbonIndexFileReader;
+import org.apache.carbondata.core.statusmanager.LoadMetadataDetails;
+import org.apache.carbondata.core.statusmanager.SegmentStatusManager;
+import org.apache.carbondata.core.util.path.CarbonStorePath;
+import org.apache.carbondata.core.util.path.CarbonTablePath;
+import org.apache.carbondata.core.writer.CarbonIndexFileWriter;
+import org.apache.carbondata.format.BlockIndex;
+import org.apache.carbondata.format.BlockletIndex;
+import org.apache.carbondata.hadoop.streaming.CarbonStreamOutputFormat;
+
+import org.apache.hadoop.mapreduce.RecordWriter;
+import org.apache.hadoop.mapreduce.TaskAttemptContext;
+
+/**
+ * streaming segment manager
+ */
+public class StreamSegmentManager {
--- End diff --
Can we unify it with `SegmentStatusManager`
---
