5405a6287b
- HoodieLogFormat V2 has support for LogFormat evolution through versioning - LogVersion is associated with a LogBlock not a LogFile - Based on a version for a LogBlock, approporiate code path is executed - Implemented LazyReading of Hoodie Log Blocks with Memory / IO tradeoff - Implemented Reverse pointer to be able to traverse the log in reverse - Introduce new MAGIC for backwards compatibility with logs without versions
Hudi
Hudi (pronounced Hoodie) stands for Hadoop Upserts anD Incrementals. Hudi manages storage of large analytical datasets on HDFS and serve them out via two types of tables
- Read Optimized Table - Provides excellent query performance via purely columnar storage (e.g. Parquet)
- Near-Real time Table (WIP) - Provides queries on real-time data, using a combination of columnar & row based storage (e.g Parquet + Avro)
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