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[HUDI-476]: Add hudi-examples module (#1151)

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add hoodie delta streamer mock source example and dfs source and kafka source examples

Signed-off-by: dengziming <dengziming1993@gmail.com>

add defaultSparkConf utils method

change version of hudi-examples to 0.5.2-SNAPSHOT
change the artifcatId of hudi-spark and hudi-utilities
alter some code to adapt kafka2.0

Update scritps

Add license
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dengziming
2020-05-28 01:44:39 +08:00
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parent 03f136361a
commit bde7a7043e
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This directory contains examples code that uses hudi.
To run the demo:
1. Configure your `SPARK_MASTER` env variable, yarn-cluster mode by default.
2. For hudi write client demo and hudi data source demo, just use spark-submit as common spark app
3. For hudi delta streamer demo of custom source, run `bin/custom-delta-streamer-example.sh`
4. For hudi delta streamer demo of dfs source:
4.1 Prepare dfs data, we have provided `src/main/resources/delta-streamer-config/dfs/source-file.json` for test
4.2 Run `bin/dfs-delta-streamer-example.sh`
5. For hudi delta streamer demo of dfs source:
5.1 Start Kafka server
5.2 Configure your Kafka properties, we have provided `src/main/resources/delta-streamer-config/kafka/kafka-source.properties` for test
5.3 Run `bin/kafka-delta-streamer-example.sh`
5.4 continuously write source data to the Kafka topic your configured with `hoodie.deltastreamer.source.kafka.topic` in `kafka-source.properties`
6. Some notes delta streamer demo:
6.1 The configuration files we provided is just the simplest demo, you can change it according to your specific needs.
6.2 You could also use Intellij to run the example directly by configuring parameters as "Program arguments"