presto
https://github.com/prestodb/presto
Java
The official home of the Presto distributed SQL query engine for big data
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- Issues
- Modify Hive pushdown filter conditions to allow Alpha selective reader
- Getting Error reading from alluxio://<host>:19998/<path_to_parquet_file> at position xxxxxxx
- Yield for memory when unspilling in SpillableHashAggregationBuilder
- [Spilling] Reduce memory pressure during unspill-and-merge-sort stage for large groups
- [WIP] Failure recovery prototype
- Remove redundant identity projection in HashGenerationOptimizer
- [Test] Failure recovery
- Reduce DictionaryBlock creation in Presto
- DROP FUNCTION IF EXISTS throws Function not found error
- [native] Add TupleDomainFilters conversion unit tests
- Docs
- Java not yet supported