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new f38ef77 weekly 20220220
f38ef77 is described below
commit f38ef779703b76e0638b2fe57aa3f14abcbf435f
Author: morningman <[email protected]>
AuthorDate: Mon Feb 21 23:39:31 2022 +0800
weekly 20220220
---
blogs/en/weekly-20220220.md | 141 +++++++++++++++++++++++++++++++++++++++++
blogs/zh-CN/weekly-20220220.md | 141 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 282 insertions(+)
diff --git a/blogs/en/weekly-20220220.md b/blogs/en/weekly-20220220.md
new file mode 100644
index 0000000..95db264
--- /dev/null
+++ b/blogs/en/weekly-20220220.md
@@ -0,0 +1,141 @@
+---
+{
+ "title": "[Doris Weekly] 20220131-20220220",
+ "description": "Doris Weekly 20220131-20220220",
+ "date": "2022-02-20",
+ "metaTitle": "[Doris Weekly] 20220131-20220220",
+ "isArticle": true,
+ "language": "en",
+ "author": "morningman",
+ "layout": "Article",
+ "sidebar": false
+}
+---
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied. See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+## Statistics
+
+A total of 41 authors have submitted 113 Commits. Thanks to the following
authors for their contributions (Github IDs, in alphabetical order).
+
+924060929, adonis0147, Alibaba-HZY, awakeljw, BiteTheDDDDt, caiconghui,
caoliang-web, dataalive, dataroaring, EmmyMiao87, gamezt, GoGoWen, Gongruixiao,
gwdgithubnom, HappenLee, Henry2SS, hf200012, JNSimba, Keysluomo, lihuigang,
littleeleventhwolf, liuzhuang2017, morningman, qidaye, qzsee, Royce33,
smallhibiscus, sodamnsure, spaces-X, stalary, wangbo, wangyf0555, weizuo93,
yangzhg, yiguolei, yinzhijian, zenoyang, zhangstar333, zhannngchen, ztgoto,
zuochunwei
+
+In the last 3 weeks, 23047 new lines of code were added and 32880 lines of
code were deleted.
+
+## Main progress
+
+### New features
+
+* https://github.com/apache/incubator-doris/pull/7473
+
+ stream load supports a two-phase commit interface. Used to support
Exactly-Once semantics of Flink Connector.
+
+* https://github.com/apache/incubator-doris/pull/8036
+
+ Spark Load supports hive bitmap UDF, which can directly import bitmap
data generated by Hive.
+
+* https://github.com/apache/incubator-doris/pull/8125
+
+ Added an extensible regression testing framework.
+
+### Work-in-Progess
+
+* https://github.com/apache/incubator-doris/pull/7981
+
+ Iceberg external table supports manual refresh and sync metadata.
+
+* https://github.com/apache/incubator-doris/pull/7880
+
+ Added statistics collection framework.
+
+### Feature improvements
+
+* https://github.com/apache/incubator-doris/pull/7905
+* https://github.com/apache/incubator-doris/pull/8051
+
+ Optimize the performance of vectorized joins.
+
+* https://github.com/apache/incubator-doris/pull/7936
+
+ Optimize the performance of the FE side in high concurrency scenarios.
+
+* https://github.com/apache/incubator-doris/pull/6650
+
+ Optimize the metadata consistency problem on the FE side.
+
+* https://github.com/apache/incubator-doris/pull/7957
+
+ The tablet sink operator supports vectorization, thereby supporting
vectorized execution of insert into statements.
+
+* https://github.com/apache/incubator-doris/pull/7939
+
+ Refactored the data serialization and deserialization logic of the
vectorization engine to support data transfer via brpc attachment.
+
+* https://github.com/apache/incubator-doris/pull/7793
+* https://github.com/apache/incubator-doris/pull/7977
+* https://github.com/apache/incubator-doris/pull/7988
+* https://github.com/apache/incubator-doris/pull/8044
+* https://github.com/apache/incubator-doris/pull/8060
+* https://github.com/apache/incubator-doris/pull/8068
+* https://github.com/apache/incubator-doris/pull/8086
+* https://github.com/apache/incubator-doris/pull/8107
+* https://github.com/apache/incubator-doris/pull/8066
+
+ Support more vectorized operators and functions: topn, mod, locate, ndv,
convert_tz, year, month, week, hour, minute, day, second, group_concat, least,
great, percentile
+
+* https://github.com/apache/incubator-doris/pull/8072
+
+ Supports specifying different numbers of compaction threads for different
storage media.
+
+* https://github.com/apache/incubator-doris/pull/7994
+
+ Optimized the scheduling logic of the scanner thread pool so that threads
can be isolated between disks.
+
+### Bug Fixes
+
+* https://github.com/apache/incubator-doris/pull/7932
+
+ Fixed an issue where an error was reported during query parsing after
modifying the default bucket num of table.
+
+* https://github.com/apache/incubator-doris/pull/7921
+
+ Fixed an issue that might cause BE to crash after enabling
`transfer_data_by_brpc_attachment`.
+
+* https://github.com/apache/incubator-doris/pull/8115
+
+ Fixed an issue where authentication information was lost due to improper
handling of 307 code when using some http clients.
+
+* https://github.com/apache/incubator-doris/pull/8118
+
+ Fixed the problem that rowset meta residues in rocksdb were not cleared in
some cases.
+
+### Others
+
+* https://github.com/apache/incubator-doris/pull/7948
+
+ Added `BUILD_META_TOOL` option to specify whether to compile `meta_tool`
at compile time
+
+* https://github.com/apache/incubator-doris/pull/8004
+
+ Split spark-connector and flink-connector into separate codebases.
+
+* https://github.com/apache/incubator-doris/pull/8069
+
+ Fix all clang compilation warnings.
\ No newline at end of file
diff --git a/blogs/zh-CN/weekly-20220220.md b/blogs/zh-CN/weekly-20220220.md
new file mode 100644
index 0000000..993a126
--- /dev/null
+++ b/blogs/zh-CN/weekly-20220220.md
@@ -0,0 +1,141 @@
+---
+{
+ "title": "[Doris 周报] 20220131-20220220",
+ "description": "Doris 周报 20220131-20220220",
+ "date": "2022-02-20",
+ "metaTitle": "[Doris 周报] 20220131-20220220",
+ "isArticle": true,
+ "language": "zh-CN",
+ "author": "morningman",
+ "layout": "Article",
+ "sidebar": false
+}
+---
+
+<!--
+Licensed to the Apache Software Foundation (ASF) under one
+or more contributor license agreements. See the NOTICE file
+distributed with this work for additional information
+regarding copyright ownership. The ASF licenses this file
+to you under the Apache License, Version 2.0 (the
+"License"); you may not use this file except in compliance
+with the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing,
+software distributed under the License is distributed on an
+"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+KIND, either express or implied. See the License for the
+specific language governing permissions and limitations
+under the License.
+-->
+
+## 统计数据
+
+共 41 位作者提交了 113 个 Commit 。感谢以下作者的贡献（Github ID，按字母序）：
+
+924060929, adonis0147, Alibaba-HZY, awakeljw, BiteTheDDDDt, caiconghui,
caoliang-web, dataalive, dataroaring, EmmyMiao87, gamezt, GoGoWen, Gongruixiao,
gwdgithubnom, HappenLee, Henry2SS, hf200012, JNSimba, Keysluomo, lihuigang,
littleeleventhwolf, liuzhuang2017, morningman, qidaye, qzsee, Royce33,
smallhibiscus, sodamnsure, spaces-X, stalary, wangbo, wangyf0555, weizuo93,
yangzhg, yiguolei, yinzhijian, zenoyang, zhangstar333, zhannngchen, ztgoto,
zuochunwei
+
+最近 3 周，共修改新增代码行 23047 ，删除代码行 32880。
+
+## 主要进展
+
+### 新增功能
+
+* https://github.com/apache/incubator-doris/pull/7473
+
+ stream load 支持两阶段提交接口。用以支持 Flink Connector 的 Exactly-Once 语义。
+
+* https://github.com/apache/incubator-doris/pull/8036
+
+ Spark Load 支持 hive bitmap UDF，可以直接导入 Hive 生成的 bitmap 数据。
+
+* https://github.com/apache/incubator-doris/pull/8125
+
+ 新增了一个可扩展的回归测试框架。
+
+### Work-in-Progess
+
+* https://github.com/apache/incubator-doris/pull/7981
+
+ Iceberg 外表支持手动刷新和同步元数据。
+
+* https://github.com/apache/incubator-doris/pull/7880
+
+ 新增统计信息收集框架。
+
+### 功能改进
+
+* https://github.com/apache/incubator-doris/pull/7905
+* https://github.com/apache/incubator-doris/pull/8051
+
+ 优化向量化 Join 的性能。
+
+* https://github.com/apache/incubator-doris/pull/7936
+
+ 优化 FE 端在高并发场景下的性能。
+
+* https://github.com/apache/incubator-doris/pull/6650
+
+ 优化 FE 端元数据一致性问题。
+
+* https://github.com/apache/incubator-doris/pull/7957
+
+ tablet sink 算子支持向量化，从而支持 insert into 语句的向量化执行。
+
+* https://github.com/apache/incubator-doris/pull/7939
+
+ 重构向量化引擎的数据序列化反序列化逻辑，以支持通过 brpc attachment传输数据。
+
+* https://github.com/apache/incubator-doris/pull/7793
+* https://github.com/apache/incubator-doris/pull/7977
+* https://github.com/apache/incubator-doris/pull/7988
+* https://github.com/apache/incubator-doris/pull/8044
+* https://github.com/apache/incubator-doris/pull/8060
+* https://github.com/apache/incubator-doris/pull/8068
+* https://github.com/apache/incubator-doris/pull/8086
+* https://github.com/apache/incubator-doris/pull/8107
+* https://github.com/apache/incubator-doris/pull/8066
+
+
支持更多向量化算子和函数：topn、mod、locate、ndv、convert_tz、year、month、week、hour、minute、day、second、group_concat、least、great、percentile
+
+* https://github.com/apache/incubator-doris/pull/8072
+
+ 支持针对不同存储介质指定不同 compaction 线程数量。
+
+* https://github.com/apache/incubator-doris/pull/7994
+
+ 优化了 scanner 线程池的调度逻辑，使磁盘之间可以做到线程隔离。
+
+### Bug 修复
+
+* https://github.com/apache/incubator-doris/pull/7932
+
+ 修复修改 default bucket num后，查询解析执行报错的问题。
+
+* https://github.com/apache/incubator-doris/pull/7921
+
+ 修复开启 `transfer_data_by_brpc_attachment` 后可能导致 BE 宕机的问题。
+
+* https://github.com/apache/incubator-doris/pull/8115
+
+ 修复使用某些 http 客户端时，因 307 转发处理不当而丢失认证信息的问题。
+
+* https://github.com/apache/incubator-doris/pull/8118
+
+ 修复某些情况下 rowset meta 残留在 rocksdb 中没有被清除的问题。
+
+### 其他
+
+* https://github.com/apache/incubator-doris/pull/7948
+
+ 新增 `BUILD_META_TOOL` 选项可以在编译时指定是否编译 `meta_tool`
+
+* https://github.com/apache/incubator-doris/pull/8004
+
+ 将 spark-connector 和 flink-connector 拆分到独立的代码库中。
+
+* https://github.com/apache/incubator-doris/pull/8069
+
+ 修复所有 clang 编译告警。
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