Add weekly 20220306 and doris-docker-cluster-install

blogs/en/doris-docker-cluster-install.md

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+---
+{
+    "title": "Apache Doris single-node (can be multi-node) Docker cluster production tutorial",
+    "description": "Apache Doris is a very hot and popular MPP architecture OLAP database, many students want to learn/test the use and ability of Doris, but suffer from the lack of environment or fear of the long compilation + build process, the whole process has greatly discouraged many students who are willing to try, but due to a variety of objective factors can not afford the high cost of learning, resulting in failed attempts. Therefore, three community members of Apache Doris community, Yijia Su, Yi Zhu and Chundong Yang, created three different designs of installation and provided downloads to lower the learning threshold and improve the learning/testing efficiency.",
+    "date": "2022-03-07",
+    "metaTitle": "Apache Doris single-node (can be multi-node) Docker cluster production tutorial",
+    "isArticle": true,
+    "language": "en",
+    "author": "苏奕嘉,种益,杨春东",
+    "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.
+-->
+
+(TODO)
+
+This artical only has Chinese version. If you are willing to translate it into English, please contact us by sending email to dev@doris.apache.org. We are looking forward to your contribution!
+

blogs/en/weekly-20220306.md

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+---
+{
+    "title": "[Doris Weekly] 20220221-20220306",
+    "description": "Doris Weekly 20220221-20220306",
+    "date": "2022-03-06",
+    "metaTitle": "[Doris Weekly] 20220221-20220306",
+    "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 44 authors have submitted 101 Commits. Thanks to the following authors for their contributions (Github IDs, in alphabetical order).
+
+@adonis0147, @amosbird, @aopangzi, @arthuryangcs, @awakeljw, @BiteTheDDDDt, @bridgeDream, @caiconghui, @CalvinKirs, @cambyzju, @ChPi, @daikon12, @DarvenDuan, @dataalive, @dataroaring, @GoGoWen, @HappenLee, @Henry2SS, @hf200012, @jacktengg, @kylinmac, @liaoxin01, @liutang123, @lonre, @madongz, @morningman, @mrhhsg, @Nivane, @qidaye, @steadyBoy, @SWJTU-ZhangLei, @wangbo, @wangshuo128, @wangyf0555, @weizuo93, @wunan1210, @xingtanzjr, @yangzhg, @yiguolei, @zbtzbtzbt, @zhangstar333, @zhangyifan27, @zhannngchen, @zuochunwei
+
+In the last 2 weeks, 8654 new lines of code were added and 8608 lines of code were deleted.
+
+## Main progress
+
+### New features
+
+* https://github.com/apache/incubator-doris/pull/8188
+
+    The show routine load statement supports fuzzy matching of job names by "like".
+
+* https://github.com/apache/incubator-doris/pull/8041
+  https://github.com/apache/incubator-doris/pull/8259
+
+    Support for creating random distribution tables. And support for converting a hash distribution table to random distribution..
+
+* https://github.com/apache/incubator-doris/pull/8179
+
+    Support for querying iceberg external tables.
+
+* https://github.com/apache/incubator-doris-flink-connector/pull/12
+
+    Flink connector supports exactly once semantics
+
+### Work-in-Progess
+
+* https://github.com/apache/incubator-doris/pull/8212
+
+    Supports PB structure definition of array type.
+
+* https://github.com/apache/incubator-doris/pull/8279
+
+    Refactor typo info to support nested data types
+
+### Feature improvements
+
+* https://github.com/apache/incubator-doris-flink-connector/pull/11
+
+    flink connector supports BE ip fetching via multiple FEs.
+
+* https://github.com/apache/incubator-doris/pull/8146
+
+    Added FE config to support ignoring replica of slow compaction when querying.
+
+* https://github.com/apache/incubator-doris/pull/8229
+
+    Optimize performance of string comparison on BE side.
+
+* https://github.com/apache/incubator-doris/pull/8245
+
+    Support for partitions of a table to be queried normally while the restore job is in progress.
+
+* https://github.com/apache/incubator-doris/pull/8119
+
+    Optimized the performance of HashJoin in the vectorized execution engine.  
+
+* https://github.com/apache/incubator-doris/pull/8158
+  https://github.com/apache/incubator-doris/pull/8138
+
+    Support for more vectorized implementations of functions.
+
+    ```
+    json_array
+    json_object
+    json_quote
+    bitmap_and_not_count
+    bitmap_or
+    bitmap_xor
+    bitmap_xor_count
+    bitmap_and
+    bitmap_and_not
+    bitmap_subset_in_range
+    bitmap_subset_limit
+    bitmap_and_count
+    sub_bitmap
+    bitmap_has_all
+    bitmap_or_count
+    ```
+
+### Bug Fixes
+
+* https://github.com/apache/incubator-doris/pull/8152
+
+    Fix `explode_json_array_string` that returns incorrect results in some cases.
+
+* https://github.com/apache/incubator-doris/pull/8142
+
+    Fix a BE crash caused by converting int columns to string columns.
+
+### Others
+
+* https://github.com/apache/incubator-doris/pull/8249
+
+    Support for source code compilation on ARM.
+