The Apache IoTDB team is pleased to announce the release of Apache IoTDB 1.2.2.
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 1.2.2 is the latest version of the v1 series. Feel free to upgrade from 1.2.1 or earlier version. ## Features & Improvements - [IOTDB-6029] Implementing flink-sql-iotdb-connector - [IOTDB-6084] Pipe: support node-urls in connector-v1 - [IOTDB-6103] Adding count_time aggregation feature - [IOTDB-6112] Limit & Offset push down doesn't take effect while there exist time filter - [IOTDB-6115] Limit & Offset push down doesn't take effect while there exist null value - [IOTDB-6120] push down limit/offset in query with group by time - [IOTDB-6129] ConfigNode restarts without relying on Seed-ConfigNode - [IOTDB-6131] Iotdb rest service supports insertRecords function - [IOTDB-6151] Move DataNode's system.properties to upper dir - [IOTDB-6173] Change default encoder of INT32 and INT64 from RLE to TS_2DIFF - Adjust the default thrift timeout parameter to 60s - Accelerate the deletion execution ## Bugs - [IOTDB-6064] Pipe: Fix deadlock in rolling back procedures concurrently - [IOTDB-6081] Pipe: use HybridExtractor instead of LogExtractor when realtime mode is set to log to avoid OOM under heavy insertion load - [IOTDB-6145] Pipe: can not release TsFile or WAL resource after pipe is dropped - [IOTDB-6146] Pipe: can not transfer data after 1000+ pipes' creating and dropping - [IOTDB-6082] Improve disk space metrics - [IOTDB-6104] tmp directory won't be cleaned after udf query end - [IOTDB-6119] Add ConfigNode leader service check - [IOTDB-6125] Fix DataPartition allocation bug when insert big batch data - [IOTDB-6127] Pipe: buffered events in processor stage can not be consumed by connector - [IOTDB-6132] CrossSpaceCompaction: The estimated memory size is too large for cross space compaction task - [IOTDB-6133] NullPointerException occurs in unsequence InnerSpaceCompactionTask - [IOTDB-6148] Pipe: Fixed the bug that some uncommited progresses may be reported - [IOTDB-6156] Fixed TConfiguration invalidly in Thrift AsyncServer For IoTConsensus - [IOTDB-6164] Can create illegal path through rest api - Fix datanode status is ReadOnly because the disk is full - Fix DataPartition allocation bug when insert big batch - Fix flush point statistics - Fix SchemaFileSketchTool is not found - Refactoring DeleteOutdatedFileTask in WalNode - Add compression and encoding type check for FastCompactionPerformer - Add lazy page reader for aligned page reader to avoid huge memory cost when reading rows of aligned timeseries - Pipe: use PipeTaskCoordinatorLock instead of ReentrantLock for multi thread sync - Pipe: fix pipe procedure stuck because of data node async request forever waiting for response - Pipe: fix NPE when HybridProgressIndex.updateToMinimumIsAfterProgressIndex after system reboot (DR: SimpleConsensus) - Pipe: fix pipe coordinator deadlock causing CN election timeout - Pipe: Improve performance for 10000+ pipes - RATIS-1873. Remove RetryCache assertion that doesn't hold The full release note is available at: https://dlcdn.apache.org/iotdb/1.2.2/RELEASE_NOTES.md The release is available for download at: http://iotdb.apache.org/Download Maven artifacts for JDBC driver, session SDK, TsFile SDK, Spark-connector, Hadoop-connector, Hive-connector and Flink-connector can be found at: https://search.maven.org/search?q=3Dg:org.apache.iotdb Regards, The Apache IoTDB team
