pinot
https://github.com/apache/pinot
Java
Apache Pinot - A realtime distributed OLAP datastore
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Help out
- Issues
- Join and subquery support
- Support Array function for multi-value columns
- Support Describe Pinot table and schema
- Support EXPR_MIN, EXPR_MAX aggregation functions
- Support LZO, LZ4, ZSTD, DEFLATE, GZIP compression codecs for raw index
- Flush Segments on a Schedule
- Validate format pattern in `dateTimeFieldSpecs` upon schema creation
- RealtimeToOfflineSegmentsTask tasks time out with large amount of rows
- Persist raw data from kafka topic as it is
- Need ways to check whether segment reload/refresh is done on server side
- Docs
- Java not yet supported