Release Apache IoTDB 1.3.1 · apache/iotdb

Features & Improvements

Add cluster script for one-click start-stop (start-all/stop-all.sh & start-all/stop-all.bat)
Add script for one-click instance information collection (collect-info.sh & collect-info.bat)
Add new statistical aggregators include stddev and variance
Add repair tsfile data command
Support setting timeout threshold for Fill clause. When time beyond the threshold, do not fill value.
Simplify the time range specification for data synchronization, directly set start and end times
Improved system observability (adding dispersion monitoring of cluster nodes, observability of distributed task scheduling framework)
Optimized default log output strategy
Enhance memory control for Load TsFile, covering the entire process
Rest API (Version 2) adds column type return.
Improve the process of query execution
Session automatically fetch all available DataNodes
...

Fix issue with abnormal behavior when time precision is not in milliseconds during grouping by month.
Fix issue with abnormal behavior when duration contains multiple units during grouping by month.
Fix bug where limit and offset cannot be pushed down when there is an order by clause.
Fix abnormal behavior in combination scenario of grouping by month + align by device + limit.
Fix deserialization errors during IoT protocol synchronization.
Fix concurrent exceptions in deleting timeseries.
Fix issue where group by level in view sequences does not execute correctly.
Fix potential issue of metadata creation failure when increasing election timeout

Full Changelog: v1.3.0...v1.3.1