e48e35385a91cf6d03a0a91d71aabfe78fe82928
When running docker demo, NoSuchElementException was thrown because spark.scheduler.mode is not set. Also we want to check before initializing the Spark Context to avoid polute the SparkConf with unused config.
Hudi
Apache Hudi (pronounced Hoodie) stands for Hadoop Upserts anD Incrementals. Hudi manages storage of large analytical datasets on DFS (Cloud stores, HDFS or any Hadoop FileSystem compatible storage) and provide ability to query them via three types of views
- Read Optimized View - Provides excellent query performance via purely columnar storage (e.g. Parquet)
- Incremental View - Provides a change stream with records inserted or updated after a point in time.
- **Real time View ** - Provides queries on real-time data, using a combination of columnar & row based storage (e.g Parquet + Avro)
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