In this release, Doris Team has fixed more than 140 issues or performance improvement since 1.1.1. This release is a bugfix release for 1.1 and all users are encouraged to upgrade to this release.I have create an issue about this release https://github.com/apache/doris/issues/12098 <https://github.com/apache/doris/issues/12098> , and please modify this issue directly in the Github if I missed some important bugs or features. Features1. Introduced new memtracker for both vectorized engine and non-vectorized engine which is more accurate.2. Add API for showing current queries and kill query.3. Support read/write emoji of UTF16 via ODBC Table.4. Add Ali OSS as hive external support.Improvements1. Improved HDFS ORC File scan performance about 3 Times !!!!!! #11501 <https://github.com/apache/doris/pull/11501>2. Support HDFS HA mode when query Iceberg Table.3. Add support for string and text type in Spark Load.4. Support query hive data created by Tez Engine.5. Add reuse block in non-vectorized engine, and have 50% performance improvement in some cases. #11392 <https://github.com/apache/doris/pull/11392>6. Improve like or regex performance.Bug Fix1. Add reserved disk config to avoid too many reserved BDB-JE files.(Serious)
In an HA environment, BDB JE will retains as many reserved files. The BDB-je log doesn't delete until approaching a disk limit. 2. Fix fatal bug in BDB-JE which will cause FE replica could not start correctly or data corrupted. (Serious)3. A fatal issue in vectorized storage engine which will cause wrong result. (Serious) #11754 <https://github.com/apache/doris/pull/11754> #11694 <https://github.com/apache/doris/pull/11694> 4. Lots of planner related issues that will cause BE core or in abnormal state. #12080 <https://github.com/apache/doris/pull/12080> #12075 <https://github.com/apache/doris/pull/12075> #12040 <https://github.com/apache/doris/pull/12040> #12003 <https://github.com/apache/doris/pull/12003> #12007 <https://github.com/apache/doris/pull/12007> #11971 <https://github.com/apache/doris/pull/11971> #11933 <https://github.com/apache/doris/pull/11933> #11861 <https://github.com/apache/doris/pull/11861> #11859 <https://github.com/apache/doris/pull/11859> #11855 <https://github.com/apache/doris/pull/11855> #11837 <https://github.com/apache/doris/pull/11837> #11834 <https://github.com/apache/doris/pull/11834> #11821 <https://github.com/apache/doris/pull/11821> #11782 <https://github.com/apache/doris/pull/11782> #11723 <https://github.com/apache/doris/pull/11723> #11569 <https://github.com/apache/doris/pull/11569> Behavior Changes None. -- Best Regards, Yi Guo Lei SelectDB The Best Cloud Native Platform for Apache Doris Tel:134-3991-0228 Email:yiguo...@gmail.com