Release 2.0.15

Thanks to our community users and developers, about 157 improvements and bug fixes have been made in Doris 2.0.15 version

Quick Download: https://doris.apache.org/download
GitHub: https://github.com/apache/doris/releases/tag/2.0.15

1 Behavior Change

2 New Features

Restore now supports deleting redundant tablets and partition options. #39028
Support JSON function json_search.#40948

3 Improvement and Optimizations

Stability

Add a FE configuration abort_txn_after_lost_heartbeat_time_second for transaction abort time. #28662
Abort transactions after a BE loses heartbeat for over 1 minute instead of 5 seconds, to avoid overly sensitive transaction aborts. #22781
Delay scheduling EOF tasks of routine load to avoid an excessive number of small transactions. #39975
Prefer querying from online disk services to be more robust. #39467
Skip checking newly inserted rows in non-strict mode partial updates if the row's delete sign is marked. #40322
To prevent FE OOM, limit the number of tablets in backup tasks, with a default value of 300,000. #39987

Performance

Optimize slow column updates caused by concurrent column updates and compactions. #38487
When a NullLiteral exists in a filter condition, it can now be folded into False and further converted to an EmptySet to reduce unnecessary data scanning and computation. #38135
Improve performance of ORDER BY permutation. #38985
Improve the performance of string processing in inverted indexes. #37395

Optimizer and Statistics

Added support for statements beginning with a semicolon. #39399
Polish aggregate function signature matching. #39352
Drop column statistics and trigger auto analysis after schema change. #39101
Support dropping cached stats using DROP CACHED STATS table_name. #39367

Multi Catalog and Others

Optimize JDBC Catalog refresh to reduce the frequency of client creation. #40261
Fix thread leaks in JDBC Catalog under certain conditions. #39423
ARRAY MAP STRUCT types now support REPLACE_IF_NOT_NULL. #38304
Retry delete jobs for failures that are not DELETE_INVALID_XXX. #37834

Credits

@924060929, @BePPPower, @BiteTheDDDDt, @CalvinKirs, @GoGoWen, @HappenLee, @Jibing-Li, @Johnnyssc, @LiBinfeng-01, @Mryange, @SWJTU-ZhangLei, @TangSiyang2001, @Toms1999, @Vallishp, @Yukang-Lian, @airborne12, @amorynan, @bobhan1, @cambyzju, @csun5285, @dataroaring, @eldenmoon, @englefly, @feiniaofeiafei, @hello-stephen, @htyoung, @hubgeter, @justfortaste, @liaoxin01, @liugddx, @liutang123, @luwei16, @mongo360, @morrySnow, @qidaye, @smallx, @sollhui, @starocean999, @w41ter, @xiaokang, @xzj7019, @yujun777, @zclllyybb, @zddr, @zhangstar333, @zhannngchen, @zy-kkk, @zzzxl1993

1 Behavior Change​

2 New Features​

3 Improvement and Optimizations​

Stability​

Performance​

Optimizer and Statistics​

Multi Catalog and Others​