The Apache IoTDB team is pleased to announce the release of Apache IoTDB 1.2.1.
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 1.2.1 is the latest version of the v1 series. Feel free to upgrade from 1.2.0 or earlier version. ## Features & Improvements - [IOTDB-5557] The metadata query results are inconsistent - [IOTDB-5997] Improve efficiency of ConfigNode PartitionInfo loadSnapshot - [IOTDB-6019] Fix concurrent update of last query - [IOTDB-6036] The mods file is too large, causing Query very slow even OOM problem - [IOTDB-6055] Enable auto restart of the pipes stopped by ConfigNode because of critical exception - [IOTDB-6066] Add ConfigNode timeslot metric - [IOTDB-6073] Add ClientManager metrics - [IOTDB-6077] Add force stop - [IOTDB-6079] Cluster computing resource balance - [IOTDB-6082] Improve disk space metrics - [IOTDB-6087] Implement stream interface of Mods read - [IOTDB-6090] Add memory estimator on inner space compaction - [IOTDB-6092] Factor mods files into memory estimates for cross-space compaction tasks - [IOTDB-6093] Add multiple validation methods after compaction - [IOTDB-6106] Fixed the timeout parameter not working in thrift asyncClient - [IOTDB-6108] AlignedTVList memory calculation is imprecise - ## Bugs - [IOTDB-5855] DataRegion leader Distribution is same as DataRegion Distribution - [IOTDB-5860] Total Number of file is wrong - [IOTDB-5996] Incorrect time display of show queries - [IOTDB-6057] Resolve the compatibility from 1.1.x to 1.2.0 - [IOTDB-6065] Considering LastCacheContainer in the memory estimation of SchemaCacheEntry - [IOTDB-6074] Ignore error message when TagManager createSnapshot - [IOTDB-6075] Pipe: File resource races when different tsfile load operations concurrently modify the same tsfile at receiver - [IOTDB-6076] Add duplicate checking when upsert alias - [IOTDB-6078] fix timeChunk default compressType - [IOTDB-6089] Improve the lock behaviour of the pipe heartbeat - [IOTDB-6091] Add compression and encoding type check for FastCompactionPerformer - [IOTDB-6094] Load：Fix construct tsFileResource bug - [IOTDB-6095] Tsfiles in sequence space may be overlap with each other due to LastFlushTime bug - [IOTDB-6096] M4 will output zero while meeting null - [IOTDB-6097] ipe subscription running with the pattern option may cause OOM - [IOTDB-6098] Flush error when writing aligned timeseries - [IOTDB-6100] Pipe: Fix running in hybrid mode will cause wal cannot be deleted & some pipe data lost due to wrong ProducerType of Disruptor - [IOTDB-6105] Load: NPE when analyzing tsfile The full release note is available at: https://dlcdn.apache.org/iotdb/1.2.1/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
