+1 it's time to make a new apache release to the community. Best regards,
Shaofeng Shi 史少锋 Apache Kylin PMC Email: shaofeng...@apache.org Apache Kylin FAQ: https://kylin.apache.org/docs/gettingstarted/faq.html Join Kylin user mail group: user-subscr...@kylin.apache.org Join Kylin dev mail group: dev-subscr...@kylin.apache.org Dayue Gao <gaoda...@apache.org> 于2020年3月22日周日 上午7:53写道： > +1 There have been almost 6 months since last release, and lots of great > features have been added since then. I'm really looking forward to the 0.12 > release and can't wait to see the feedback from our users. > > Best regards, > Dayue Gao > > Li,Chaoyong <lichaoy...@baidu.com> 于2020年3月20日周五 上午11:10写道： > > > Apache Doris(incubating) 0.11.0 is released since September. Lots of good > > features and enhancement are imported. > > I think it's time to release 0.12.0 to make them visible to our users. > > > > New Features > > > > ## Segment V2 [#1305] > > > > We have re-implemented the underlying data storage format, using > > `Page-Based` logical concepts to organize different data types or index > > types. We call this storage format `Segment V2`. > > Based on the new storage format, we have introduced a series of new > > features, including dictionary compression and bitmap indexing, to > improve > > Doris's read and write performance. > > > > ## Bitmap Index > > > > On the basis of Segment V2, Doris implements the function of adding > bitmap > > indexes to the specified columns. This feature significantly enhances > > Doris's query performance for any combination of multi-dimensional > > scenarios. > > > > [#2487] [#2050] [#2319] > > > > ## Spark on Doris > > > > With spark-doris-connector, users can now query data stored in Doris > > directly through Spark. Better meet users' federal query needs. > > > > [#2228] > > > > ## Support Aggregated Materialized View Framework > > Supports the creation of Materialized Views tables based on the Duplicate > > data model, which not only meets the needs of users directly using > detailed > > table analysis, but also meets the efficient query of some specific > > dimension analysis. > > > > [#2101] > > > > ## Support INTERSECT and EXCEPT operators > > > > [#2834] > > > > ## Support Loading ORC format file > > > > Supports reading and loading ORC format files stored on HDFS. > > > > [#2554] > > > > ## Create partition automatically > > > > [Dynamic Partition] Support for automatically adding partitions > > > > Doris can now automatically create partitions through scheduled tasks, > > reducing user maintenance costs for partition operations. > > > > [#2262] > > > > ## Grouping Set SQL syntax > > > > Supports `Grouping Set` SQL syntax. Can further reduce the complexity of > > writing SQL for data analysts. > > > > [#2293] > > > > # Enhancement > > > > ## Doris on ES Performance Enhancement > > > > Significantly enhanced query performance for Doris on Es. Doris on ES is > > probably the best open source "SQL on ES" solution. > > > > [#2237] [#2575] > > > > ## Bitmap aggregate type support BIGINT > > > > The integer type supported by the Bitmap aggregation method has been > > extended from 32 bits to 64 bits. Further strengthen the scope of > > application of Doris's precise deduplication function. > > > > [#2772] > > > > ## Supports conversion of more column types > > > > Now Doris support conversion of more column types by altering table. > > > > Float -> Double > > Datetime <-> Date > > Int -> Date > > Varchar -> TINTINT/SMALLINT/INT/BIGINT/LARGEINT/FLOAT/DOUBLE/DATE > > > > [#2310] [#2393] [#2481] [#2489] [#2501] > > > > ## NIO-based MySQL protocol connection layer > > > > A new MySQL protocol connection layer based on NIO is implemented, which > > can support highly concurrent connection requests. > > > > [Experimental, enable it by setting FE config `mysql_service_nio_enabled` > > to true] > > > > [#2603] > > > > ## More convenient information viewing > > > > Now we support adding filter conditions for following stmts: > > > > * SHOW ALTER TABLE [#2380] > > * SHOW PARTITIONS [#2553] > > * SHOW FUNCTIONS [#2880] > > > > # New Built-in Functions > > > > * `bitmap_or` [#2649] > > * `bitmap_and` [#2649] > > * `bitamp_to_string` [#2731] > > * `bitmap_from_string` [#2731] > > * `bitmap_contains` [#2752] > > * `bitmap_has_any` [#2752] > > * `bitmap_union_count` [#2425] > > * `bitmap_hash` [#2439] > > * `intersect_count` [#2418] > > * `ends_with` [#2746] > > * `curdate` [#2521] > > > > # Other > > > > * Support aggregation type of REPLACE_IF_NOT_NULL [#2127] > > * Introduce GSON library to serialize the meta data in FE [#2343] > > * Support correlated non-scalar subquery [#2468] > > * Support `ALTER VIEW` stmt [#2522] > > * Support `replication_num` setting for table level [#2737] > > * SupportBroker reading config from hdfs-site.xml [#2148] > > * Support `date_add` function for partition pruning [#2154] > > * Optimize compaction strategy of tablet on BE [#2473] > > * Support decompressing csv file with deflate format in hdfs broker load > > [#2583] > > * Support sql mode [2083] > > * Modify the authorization checking logic [#2372] > > * Improve SkipList memory usage tracking [#2359] > > * Create table with nullable column for default [#2256] > > * Enable decimalV2 cast to different precision [#2135] > > > > ## Thirdparty > > > > * Bump Apache Maven version to 3.6.3 in Docker dev image [#2395] > > * Bump JMockit version to 1.48 [#2423] > > * Bump Apache Arrow version to 0.15.1 [#2657] [#2769] > > > > # API Change > > > > ## Default Table Storage Model > > > > Change default storage model from `AGGREGATE KEY` to `DUPLICATE KEY` > > > > [#2318] > > > > ## Forbid Cluster Related Operations > > > > Forbid cluster related operations: > > > > * create/drop cluster > > * add free backend/add backend to cluster/decommission cluster balance > > * change the backends num of cluster > > * link/migration db > > > > [#2429] > > > > # Credits > > > > Thanks to everyone who contributed to this release! > > > > @EmmyMiao87 > > @HangyuanLiu > > @HappenLee > > @IanWatsons > > @JustinTsui > > @Lishi-hub > > @MLikeWater > > @Seaven > > @WingsGo > > @Wsyzxxn > > @Youngwb > > @blackfox1983 > > @caiconghui > > @chaoyli > > @firetree01 > > @frwrdt > > @gaodayue > > @imay > > @infearOnTheWay > > @kangkaisen > > @kangpinghuang > > @landon-dai > > @lingbin > > @liutang123 > > @lshmouse > > @marising > > @morningman > > @shengyunyao > > @vagetablechicken > > @vinson0526 > > @wangbo > > @wkhappy1 > > @wubiaoi > > @wutiangan > > @wuyunfeng > > @xhg-tech > > @xy720 > > @yangzhg > > @yuanfeng0905 > > @zhouhaibing089 > > > > >
