Apache IoTDB 0.9.1 was released. IoTDB data collection, storage and analysis of integrated data management engine for time series. It has a light body mass, high performance, easy to use features, perfect butt Hadoop and Spark ecology for massive time-series data on industrial networking applications in high-speed writing and complex analytical queries needs.
This version fixes some bug:
- Repair SeqTsFileRecoverTest and UnseqTsFileRecoverTest in NullPointerException
- Fixed "Refresh + error of aggregate queries" caused the error failed queries
- Incorrect repair write batch statistics
- Fixed groupBy-without-value-filter query skip logic error caused by the wrong page
- When axisOrigin-startTimeOfWindow is an integer multiple of the interval, repair groupBy query errors
- Repair ActiveTimeSeriesCounter in NullPointerException
- Fix errors in the data type error TsFileSketchTool
- Deadlock error repair CompressionRatio
- Development-Contributing.md repair of link errors, and add Development-Document.md
- CSV export tool repair errors
- Repair Apache Rat certain malformed header file
For details, see announcement .