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Add weekly 20220306 and doris-docker-cluster-install
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morningman committed Mar 12, 2022
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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
}
---

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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
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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
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specific language governing permissions and limitations
under the License.
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(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!

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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.

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