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Subject [GitHub] [incubator-hudi] vinothchandar commented on a change in pull request #1151: [HUDI-476] Add hudi-examples module
Date Mon, 24 Feb 2020 19:49:23 GMT
vinothchandar commented on a change in pull request #1151: [HUDI-476] Add hudi-examples module
URL: https://github.com/apache/incubator-hudi/pull/1151#discussion_r383477929
 
 

 ##########
 File path: hudi-examples/src/main/java/org/apache/hudi/examples/deltastreamer/HoodieDeltaStreamerDfsSourceExample.java
 ##########
 @@ -0,0 +1,81 @@
+/*
+ * 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.hudi.examples.deltastreamer;
+
+import org.apache.hudi.DataSourceWriteOptions;
+import org.apache.hudi.examples.common.HoodieExampleDataGenerator;
+import org.apache.hudi.examples.common.HoodieExampleSparkUtils;
+import org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer;
+import org.apache.hudi.utilities.sources.JsonDFSSource;
+import org.apache.hudi.utilities.transform.IdentityTransformer;
+
+import com.beust.jcommander.JCommander;
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.JavaSparkContext;
+
+
+/**
+ * Simple examples of #{@link HoodieDeltaStreamer} from #{@link JsonDFSSource}.
+ *
+ * To run this example, you should
+ *   1. prepare sample data as `hudi-examples/src/main/resources/dfs-delta-streamer`
+ *   2. For running in IDE, set VM options `-Dspark.master=local[2]`
+ *   3. For running in shell, using `spark-submit`
+ *
+ * Usage: HoodieDeltaStreamerDfsSourceExample \
 
 Review comment:
   a shell script to run any Example class is a better idea.. I was just referring to having
a command that users can just copy paste to a terminal and run.. 
   
   >>data prep part of the examples themselves and then also provide sane defaults for
input/output paths
   Thoughts on this? 
   

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