The Apache IoTDB team is pleased to announce the release of Apache IoTDB 1.3.2.
Apache IoTDB (Database for Internet of Things) is an IoT native database with high performance for data management and analysis, deployable on the edge and the cloud. Apache IoTDB 1.3.2 is the latest version of the v1 series. Feel free to upgrade from earlier version. ## Features & Improvements - Storage Module: Performance improvement in the insertRecords interface for writing - Query Module: New Explain Analyze statement added (monitoring the time spent on each stage of a single SQL execution) - Query Module: New UDAF (User-Defined Aggregate Function) framework added - Query Module: New MaxBy/MinBy functions added, supporting the retrieval of maximum/minimum values along with the corresponding timestamps - Query Module: Performance improvement in value filtering queries - Data Synchronization: Path matching supports path pattern - Data Synchronization: Supports metadata synchronization (including time series and related attributes, permissions, etc.) - Stream Processing: Added Alter Pipe statement, supporting hot updates of plugins for Pipe tasks - System Module: System data point count statistics now include statistics for data imported by loading TsFile - Scripts and Tools: New local upgrade backup tool added (backing up original data through hard links) - Scripts and Tools: New export-data/import-data scripts added, supporting data export in CSV, TsFile formats or SQL statements - Scripts and Tools: Windows environment now supports distinguishing ConfigNode, DataNode, and Cli by window name ... ## Bugs - Optimize the error message when a NullPointerException (NPE) occurs due to a timeout when dropping a database. - Add logs for notifyLeaderReady, notifyLeaderChanged, and procedure worker. - Add compatibility handling for existing erroneous data during file merging. - Fix the deadlock issue caused by flushing empty files during querying. - Fix the issue where Ratis becomes unresponsive during read, write, and delete operations. - Fix the concurrent bug in load and merge operations. - Fix the issue where the system's compression ratio is recorded as a negative number in the file for certain scenarios. - Fix the ConcurrentModificationException issue during memory estimation for merge tasks. - Fix potential deadlocks that may occur when writing, automatically creating, and deleting databases concurrently. ... The full release note is available at: https://raw.githubusercontent.com/apache/iotdb/rc/1.3.2/RELEASE_NOTES.md The release is available for download at: http://iotdb.apache.org/Download Maven artifacts for JDBC driver, session SDK, TsFile SDK can be found at: https://search.maven.org/search?q=3Dg:org.apache.iotdb Regards, The Apache IoTDB team
