I think the following PRs need to be merged into branch-0.14 before releasing:
#5388 [Docs] Reorder docs index in sidebar #5378 [Bug] Fix NPE when replaying modify table property #5377 [FE] Fix overflow in RuntimeProfile.sortChildren. #5363 [Doris on ES] Fix bug when ES field value is null #5365 [Doc]: correct wrong num in create table help doc -- 此致！Best Regards 陈明雨 Mingyu Chen Email: chenmin...@apache.org 在 2021-02-09 16:11:00，"ling miao" <lingm...@apache.org> 写道： >Hi Zhengguo, > >I have no problem here ~ > >Ling Miao > >寒江雪 <yangz...@gmail.com> 于2021年2月9日周二 上午11:41写道： > >> HI Ling >> I have check the pr list this morning， there is no critical bug in master >> ，and I have create branch-0.14 synced with master >> >> ling miao <lingm...@apache.org> 于2021年2月9日周二 上午11:23写道： >> >> > Hi zhengguo, >> > >> > I look forward to the release of the new version. >> > I think there are some bug fixes in our pr list. Do you want to check >> which >> > ones need to be incorporated during this release? >> > >> > Ling Miao >> > >> > 寒江雪 <yangz...@gmail.com> 于2021年2月9日周二 上午10:00写道： >> > >> > > Hi all: >> > > Since the release of 0.13, Apache Doris (incubating) contains >> > around >> > > 390 new features, bug fixes, performance enhancements, documentation >> > > improvements, code refactors from 60+ contributors. >> > > Now we are ready to release Apache Doris (incubating) 0.14.0. I >> > will >> > > be the release manager of this version. This release is expected to >> > > include the following content: >> > > >> > > # New Feature >> > > >> > > ### Import and delete >> > > >> > > Support to delete multiple pieces of data at one time through the >> import >> > > method to avoid performance degradation caused by multiple deletions. >> For >> > > tables of the UniqueKey model, support to specify the Sequence column >> > when >> > > importing. Doris will judge the sequence of the data according to the >> > value >> > > of the Sequence column to ensure that the data is imported Time order >> > > [#4310] [#4256] >> > > >> > > ### Support database backup >> > > >> > > The support in the backup stmt specifies the backup content (metadata >> and >> > > data). >> > > Support exclude backup and restore some tables in stmt. When backing up >> > the >> > > entire database, you can exclude some very large and unimportant >> tables. >> > > Supports backing up and restoring the entire database instead of >> > declaring >> > > each table name in the backup and restore statement. >> > > >> > > [#5314] >> > > >> > > ### ODBC external table support >> > > >> > > Support access to external tables such as MySQL, postgresql, Oracle, >> etc. >> > > through ODBC protocol >> > > >> > > [#4798] [#4438] [#4559] [#4699] >> > > >> > > ### Support SQL level and Partition level result Cache >> > > >> > > Support for caching query results to improve the efficiency of repeated >> > > queries, support SQL-level and Partition-level results Cache [#4330] >> > > >> > > ### Built-in functions >> > > >> > > - Support bitmap_xor function [#5098] >> > > - Add replace() function [#4347] >> > > - Add the time_round function to support time alignment according to >> > > multiple time granularities [#4640] >> > > >> > > ### FE interface and HTTP interface >> > > >> > > - The new FE UI interface can be enabled by setting the FE >> configuration >> > > item enable_http_server_v2 [#4684] >> > > >> > > - BE adds an http interface to show the distribution of all tablets in >> a >> > > partition among different disks in a BE [#5096] >> > > - BE adds an http interface to manually migrate a tablet to other disks >> > on >> > > the same node [#5101] >> > > - Support to modify the configuration items of FE and BE through http, >> > and >> > > persist these modifications [#4704] >> > > - >> > > >> > > ### Compatibility with MySQL >> > > >> > > - Added support for views table in the information_schema database >> > [#4778] >> > > - Added table_privileges, schema_privileges and user_privileges to the >> > > information_schema library for compatibility with certain MySQL >> > > applications [#4899] >> > > - A new statistic table is added to the information_schema >> meta-database >> > > for compatibility with some MySQL tools [#4991] >> > > >> > > ### Monitoring >> > > >> > > - BE added tablet-level monitoring indicators, including scanned data >> > > volume and row number, written data volume and row number, to help >> locate >> > > hot tablets [#4428] >> > > >> > > - BE added metrics to view the usage of various LRU caches [#4688] >> > > >> > > ### Table building related >> > > >> > > - Added CREATE TABLE LIKE statement to facilitate the creation of a >> table >> > > metadata copy [#4705] >> > > - Support atomic replacement of two tables through replace statement >> > > [#4669] >> > > >> > > ### Other >> > > >> > > - Support adding Optimizer Hints of type SET_VAR in the Select >> statement >> > to >> > > set session variables [#4504] >> > > >> > > - Support to repair damaged tablets by filling in empty tablets [#4255] >> > > - Support Bucket Shuffle Join function (when the Join condition column >> > is a >> > > subset of the table bucket column, the right table will be shuffled to >> > the >> > > node where the data in the left table is located, which can >> significantly >> > > reduce the network overhead caused by Shuffle Join and improve query >> > speed) >> > > [# 4677] >> > > - Support batch cancel import tasks through cancel load statement >> [#4515] >> > > - Add a Session variable to set whether to allow the partition column >> to >> > be >> > > NULL [#5013] >> > > - Support TopN aggregation function [#4803] >> > > - Support a new data balancing logic based on the number of partitions >> > and >> > > buckets [#5010] >> > > - Support creating indexes on the value column of unique table [#5305] >> > > >> > > # Enhancement >> > > >> > > ### Performance improvement >> > > >> > > - Implemented a new compaction selection algorithm, providing lower >> write >> > > amplification and a more reasonable compaction strategy [#4212] >> > > - Optimize bit operation efficiency in variable length coding [#4366] >> > > - Improve the execution efficiency of monery_format function [#4672] >> > > - Optimize query execution plan: When the bucket column of the table >> is a >> > > subset of the GroupBy column in SQL, reduce the data shuffle step >> [#4482] >> > > - Improve the efficiency of column name search on BE [#4779] >> > > - Improve the performance of the BE side LRU Cache [#4781] >> > > - Optimized the tablet selection strategy of Compaction, reducing the >> > > number of invalid selections [#4964] >> > > - Optimized the reading efficiency of Unique Key table [#4958] >> > > - Optimized the memory usage of LoadJob on the FE side and reduced the >> > > memory overhead on the FE side [#4993] >> > > - Reduce the lock granularity in FE metadata from Database level to >> Table >> > > level to support more fine-grained concurrent access to metadata >> [#3775] >> > > - Avoid unnecessary memory copy when creating hash table [#5301] >> > > - Remove the path check when BE starts to speed up BE startup speed >> > [#5268] >> > > - Optimize the import performance of Json data [#5114] >> > > >> > > ### Functional improvements >> > > >> > > - SQL supports collate utf8_general_ci syntax to improve MySQL syntax >> > > compatibility [#4365] >> > > - Improve the function of Batch delete, improve and optimize the >> related >> > > compaction process [#4425] >> > > - Enhance the function of parse_url() function, support lowercase, >> > support >> > > parsing port [#4429] >> > > - When SQL execution specifies the execution mode of join (Join Hint), >> > the >> > > Colocation Join function will be disabled by default [#4497] >> > > - Dynamic partition support hour level [#4514] >> > > - HTTP interface on BE side supports gzip compression [#4533] >> > > - Optimized the use of threads on the BE side [#4440] >> > > - Optimize the checking process and error message of the rand() >> function >> > in >> > > the query analysis stage [#4439] >> > > - Optimize the compaction triggering and execution logic to better >> limit >> > > the resource overhead (mainly memory overhead) of the compaction >> > operation, >> > > and trigger the compaction operation more reasonably [#4670] >> > > - Support pushing Limit conditions to ODBC/MySQL external tables >> [#4707] >> > > - Increase the limit on the number of tablet versions on the BE side to >> > > prevent excessive data versions from causing abnormal cluster load >> > [#4687] >> > > - When an RPC error occurs in a query, it can quickly return specific >> > error >> > > information to prevent the query from being stuck [#4702] >> > > - Support automatic mapping of count(distinct if(bool, bitmap, null)) >> to >> > > bitmap_union_count function [#4201] >> > > - Support set sql_mode = concat(@@sql_mode, "STRICT_TRANS_TABLES") >> > > statement [#4359] >> > > - Support all stream load features in multiload [#4717] >> > > - Optimize BE’s strategy for selecting disks when creating tablets, and >> > use >> > > the "two random choices" algorithm to ensure tablet copies are more >> even >> > > [#4373] >> > > - When creating a materialized view, the bitmap_union aggregation >> method >> > > only supports integer columns, and hll_union does not support decimal >> > > columns [#4432] >> > > - Optimize the log level of some FEs to avoid log writing becoming a >> > > bottleneck [#4766] >> > > - In the describe table statement, display the definition expression of >> > the >> > > aggregate column of the materialized view [#4446] >> > > - Support convert() function [#4364] >> > > -Support cast (expr as signed/unsigned int) syntax to be compatible >> > > with MySQL ecology >> > > -Add more columns to the information_schema.columns table to be >> > > compatible with the MySQL ecosystem >> > > - In Spark Load function, use yarn command line instead of yarn-client >> > API >> > > to kill job or get job status [#4383] >> > > - Persistence of stale rowset meta-information to ensure that this >> > > information will not be lost after BE restarts [#4454] >> > > - Return an error code in the schema change result to more clearly >> inform >> > > the user of the specific error [#4388] >> > > - Optimize the rowset selection logic of some compactions to make the >> > > selection strategy more accurate [#5152] >> > > - Optimize the Page Cache on the BE side, divide Page into data cache >> and >> > > index cache [#5008] >> > > - Optimized the accuracy of functions such as variance and standard >> > > deviation on Decimal type [#4959] >> > > - Optimized the processing logic of predicates pushed down to ScanNode >> to >> > > avoid repeated filtering of predicate conditions at the query layer and >> > > improve query efficiency [#4999] >> > > - Optimized the predicate push-down logic of Unique Key table, and >> > supports >> > > push-down the conditions of non-primary key columns [#5022] >> > > - Support pushing down "not in" and "!=" to the storage layer to >> improve >> > > query efficiency [#5207] >> > > - Support writing multiple memtables of a tablet in parallel during >> > import. >> > > Improve import efficiency [#5163] >> > > - Optimize the creation logic of ZoneMap. When the number of rows on a >> > page >> > > is too small, ZoneMap will not be created anymore [#5260] >> > > - Added histogram monitoring indicator class on BE [#5148] >> > > - When importing Parquet files, if there is a parsing error, the >> specific >> > > file name will be displayed in the error message [#4954] >> > > - Optimize the creation logic of dynamic partitions, the table under >> > > construction directly triggers the creation of dynamic partitions >> [#5209] >> > > - In the result of the SHOW BACKENDS command, display the real start >> time >> > > of BE [#4872] >> > > - Support column names start with @ symbol, mainly used to support >> > mapping >> > > ES tables [#5006] >> > > - Optimize the logic of the mapping and conversion relationship of the >> > > declared columns in the import statement to make the use more clear >> > [#5140] >> > > - Optimize the execution logic of colocation join to make the query >> plan >> > > more evenly executed on multiple BE nodes [#5104] >> > > - Optimize the predicate pushdown logic, and support pushdown of is >> null >> > > and is not null to the storage engine [#5092] >> > > - Optimize the BE node selection logic in bucket join [#5133] >> > > - Support UDF in import operation [#4863] >> > > >> > > ### Other >> > > >> > > - Added support for IN Predicate in delete statement [#4404] >> > > - Update the Dockerfile of the development image and add some new >> > > dependencies [#4474] >> > > - Fix various spelling errors in the code and documentation [#4714] >> > [#4712] >> > > [#4722] [#4723] [#4724] [#4725] [#4726] [#4727] >> > > - Added two segment-related indicators in the OlapScanNode of the query >> > > profile to display the total number of segments and the number of >> > filtered >> > > segments [#4348] >> > > - Add batch delete function description document [#4435] >> > > - Added Spark Load syntax manual [#4463] >> > > - Added the display of cumulative compaction strategy name and rowset >> > data >> > > size in BE's /api/compaction/show API [#4466] >> > > - Redirect the Spark Launcher log in Spark Load to a separate log file >> > for >> > > easy viewing [#4470] >> > > - The BE configuration item streaming_load_max_batch_size_mb was >> renamed >> > > streaming_load_json_max_mb to make its meaning more clear [#4791] >> > > - Adjust the default value of the FE configuration item >> > > thrift_client_timeout_ms to solve the problem of too long access to the >> > > information_schema library [#4808] >> > > - CPU or memory sampling of BE process is supported on BE web page to >> > > facilitate performance debugging [#4632] >> > > - Extend the data slicing balance class on the FE side, so that it can >> > > extend more balance logic [#4771] >> > > - The reorganized OLAP_SCAN_NODE profile information makes the profile >> > > clearer and easier to read [#4825] >> > > - Added monitoring indicators on the BE side to monitor cancelled Query >> > > Fragment [#4862] >> > > - Reorganized the profile information of HASH_JOIN_NODE, >> CROSS_JOIN_NODE, >> > > UNION_NODE, ANALYTIC_EVAL_NODE to make the Profile more clear and easy >> to >> > > read [#4878] >> > > - Modify the default value of >> > > query_colocate_join_memory_limit_penalty_factor to 1 to ensure that the >> > > default memory limit of the execution plan fragment is consistent with >> > the >> > > user setting during the colocation join operation [#4895] >> > > - Added consideration of tablet scanning frequency in the selection of >> > > compaction strategy on the BE side [#4837] >> > > - Optimize the strategy of sending Query Fragments and reduce the >> number >> > of >> > > sending public attributes to improve query plan scheduling performance >> > > [#4904] >> > > - Optimized the accuracy of load statistics for unavailable nodes when >> > the >> > > query scheduler is scheduling query plans [#4914] >> > > - Add the code version information of the FE node in the result of the >> > SHOW >> > > FRONTENDS statement [#4943] >> > > - Support more column type conversion, such as support conversion from >> > CHAR >> > > to numeric type, etc. [#4938] >> > > - Import function to identify complex types in Parquet files [#4968] >> > > - In the BE monitoring indicators, increase the monitoring of used >> > permits >> > > and waiting permits in the compaction logic [#4893] >> > > - Optimize the execution time of BE single test [#5131] >> > > - Added more JVM-related monitoring items on the FE side [#5112] >> > > - Add a session variable to control the timeout period for the >> > transaction >> > > to take effect in the insert operation [#5170] >> > > - Optimize the logic of selecting scan nodes for query execution plans, >> > and >> > > consider all ScanNode nodes in a query [#4984] >> > > - Add more system monitoring indicators for FE nodes [#5149] >> > > - Use of VLOG in unified BE code [#5264] >> > > >> > > # Other >> > > >> > > - Add some non-Apache protocol code protocol declarations to the NOTICE >> > > file [#4831] >> > > >> > > - Reformatted the code of BE using clang-format [#4965] >> > > >> > > - Added clang-format checking and formatting scripts to unify the C++ >> > code >> > > style of BE before submission [#4934] >> > > >> > > - The third-party library adds the AWS S3 SDK, which can be used to >> > > directly read the data in the object storage through the SDK [#5234] >> > > >> > > - Fixed some issues related to License: [#4371] >> > > >> > > 1. The dependencies of the two third-party libraries, MySQL client >> > and >> > > LZO, will no longer be enabled in the default compilation options. If >> > users >> > > need MySQL external table function, they need to turn it on >> > > >> > > 2. Removed the js and css code in the code library and introduced >> it >> > in >> > > the form of a third-party library dependency >> > > >> > > - Updated the Docker development environment image build-env-1.2 >> > > >> > > - Updated the compilation method of the UnixODBC tripartite library, so >> > > that the BE process no longer depends on the libltdl.so dynamic library >> > of >> > > the system when it is running >> > > >> > > - Added third-party UDF to support more efficient set calculation of >> > > orthogonal bitmap data [#4198] >> > > >> > > - Added UnixODBC third-party library dependency to support ODBC >> external >> > > table function [#4377] >> > > >> > > # API Change >> > > >> > > - Prohibit the creation of segment v1 tables [#4913] >> > > - Rename the configuration item `streaming_load_max_batch_size_mb` to >> > > `streaming_load_json_max_mb` [#4791] >> > > - Support column reference passing in column definition of load >> statement >> > > [#5140] >> > > - Support creating indexes on the value column of unique table [#5305] >> > > - Support atomic replacement of two tables through replace statement >> > > [#4669] >> > > - Support CREATE TABLE LIKE statement >> > > >> > > To get more details please refers to ISSUE >> > > https://github.com/apache/incubator-doris/issues/5374 >> > > If you have any important feature that are in progress or not >> > merged >> > > into the master and related to version 0.14, please reply to me by >> email. >> > > >> > >>
