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new 4232f78 [Doc] datax doriswriter use case (#6612)
4232f78 is described below
commit 4232f787ade26ea829924786fbd271c06540a090
Author: jiafeng.zhang <zhang...@gmail.com>
AuthorDate: Sun Oct 10 23:03:12 2021 +0800
[Doc] datax doriswriter use case (#6612)
datax doriswriter use case
---
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docs/.vuepress/sidebar/zh-CN.js | 3 +-
docs/en/best-practices/datax-doris-writer.md | 251 ++++++++++++++++++++
docs/zh-CN/best-practices/datax-doris-writer.md | 255 +++++++++++++++++++++
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--- a/docs/.vuepress/sidebar/en.js
+++ b/docs/.vuepress/sidebar/en.js
@@ -218,7 +218,8 @@ module.exports = [
children: [
"fe-load-balance",
"systemd",
- "samples"
+ "samples",
+ "datax-doris-writer"
],
},
{
diff --git a/docs/.vuepress/sidebar/zh-CN.js b/docs/.vuepress/sidebar/zh-CN.js
index 27c46a8..05a9eee 100644
--- a/docs/.vuepress/sidebar/zh-CN.js
+++ b/docs/.vuepress/sidebar/zh-CN.js
@@ -219,7 +219,8 @@ module.exports = [
children: [
"fe-load-balance",
"systemd",
- "samples"
+ "samples",
+ "datax-doris-writer"
],
},
{
diff --git a/docs/en/best-practices/datax-doris-writer.md
b/docs/en/best-practices/datax-doris-writer.md
new file mode 100644
index 0000000..bf5aabb
--- /dev/null
+++ b/docs/en/best-practices/datax-doris-writer.md
@@ -0,0 +1,251 @@
+---
+{
+ "title": "How to use Apache doris Datax DorisWriter extension",
+ "language": "en"
+}
+---
+
+<!--
+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.
+-->
+# How to use Apache doris Datax DorisWriter extension
+
+DataX is an open source version of Alibaba Cloud DataWorks data integration,
an offline data synchronization tool/platform widely used in Alibaba Group.
DataX implements efficient data synchronization functions between various
heterogeneous data sources including MySQL, Oracle, SqlServer, Postgre, HDFS,
Hive, ADS, HBase, TableStore (OTS), MaxCompute (ODPS), Hologres, DRDS, etc.
+
+In order to better expand the Apache doris ecosystem and provide more
convenient data import for doris users, the community development and extension
supports Datax DorisWriter, making it more convenient for everyone to enter
Datax.
+
+## 1.Scenes
+
+Here is a demonstration of using Doris' Datax extension DorisWriter to extract
data from Mysql data and import it into the Doris data warehouse table.
+
+## 2.Build DorisWriter
+
+The compilation of this extension can not be done in the docker compilation
environment of doris, this article is compiled under the WLS under windows
+
+First pull the source code from github
+
+```
+git clone https://github.com/apache/incubator-doris.git
+```
+
+Enter `incubator-doris/extension/DataX/` to execute compilation
+
+First execute:
+
+```shell
+sh init_env.sh
+```
+
+This script is mainly used to build the DataX development environment. It
mainly performs the following operations:
+
+1. Clone the DataX code base to the local.
+
+2. Softlink the `doriswriter/` directory to the `DataX/doriswriter` directory.
+
+3. Add the `<module>doriswriter</module>` module in the `DataX/pom.xml` file.
+
+4. Change the httpclient version in the `DataX/core/pom.xml` file from 4.5 to
4.5.13.
+
+ > httpclient v4.5 has a bug in handling 307 forwarding.
+
+After the script is executed, the developer can enter the `DataX/` directory
to start development or compilation. Because of the soft link, any modification
to the files in the `DataX/doriswriter` directory will be reflected in the
`doriswriter/` directory, which is convenient for developers to submit code
+
+### 2.1 Build
+
+Here I removed a lot of useless plug-ins in order to speed up the compilation:
here, just comment out the pom.xml in the Datax directory.
+
+```
+hbase11xreader
+hbase094xreader
+tsdbreader
+oceanbasev10reader
+odpswriter
+hdfswriter
+adswriter
+ocswriter
+oscarwriter
+oceanbasev10writer
+```
+
+Then enter the Datax directory under the `incubator-doris/extension/DataX/`
directory and execute the compilation
+
+Here I am performing the compilation of Datax into a tar package, which is not
the same as the official compilation command.
+
+```
+mvn -U clean package assembly:assembly -Dmaven.test.skip=true
+```
+
+
+
+
+
+After the compilation is complete, the tar package is in the `Datax/target`
directory. You can copy the tar package to the place you need. Here I am
directly performing the test in datax. Because the python version is 3.x
version, you need to The three files in the bin directory are replaced with
other versions of python 3. You can download this from the following address:
+
+```
+https://github.com/WeiYe-Jing/datax-web/tree/master/doc/datax-web/datax-python3
+```
+
+After replacing the downloaded three files with the files in the bin
directory, the entire compilation is complete, and the installation is complete
+
+## 3.Data access
+
+At this time we can start to use Datax's doriswriter extension to directly
extract data from Mysql (or other data sources) and import it into the Doris
table.
+
+### 3.1 Mysql database preparation
+
+The following is the database table creation script (mysql 8):
+
+```sql
+CREATE TABLE `order_analysis` (
+ `date` varchar(19) DEFAULT NULL,
+ `user_src` varchar(9) DEFAULT NULL,
+ `order_src` varchar(11) DEFAULT NULL,
+ `order_location` varchar(2) DEFAULT NULL,
+ `new_order` int DEFAULT NULL,
+ `payed_order` int DEFAULT NULL,
+ `pending_order` int DEFAULT NULL,
+ `cancel_order` int DEFAULT NULL,
+ `reject_order` int DEFAULT NULL,
+ `good_order` int DEFAULT NULL,
+ `report_order` int DEFAULT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=COMPACT
+```
+
+Sample data
+
+```sql
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-12 00:00:00',
'广告二维码', 'Android APP', '上海', 15253, 13210, 684, 1247, 1000, 10824, 862);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-14 00:00:00',
'微信朋友圈H5页面', 'iOS APP', '广州', 17134, 11270, 549, 204, 224, 10234, 773);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-17 00:00:00',
'地推二维码扫描', 'iOS APP', '北京', 16061, 9418, 1220, 1247, 458, 13877, 749);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-17 00:00:00',
'微信朋友圈H5页面', '微信公众号', '武汉', 12749, 11127, 1773, 6, 5, 9874, 678);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-18 00:00:00',
'地推二维码扫描', 'iOS APP', '上海', 13086, 15882, 1727, 1764, 1429, 12501, 625);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-18 00:00:00',
'微信朋友圈H5页面', 'iOS APP', '武汉', 15129, 15598, 1204, 1295, 1831, 11500, 320);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-19 00:00:00',
'地推二维码扫描', 'Android APP', '杭州', 20687, 18526, 1398, 550, 213, 12911, 185);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-19 00:00:00',
'应用商店', '微信公众号', '武汉', 12388, 11422, 702, 106, 158, 5820, 474);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-20 00:00:00',
'微信朋友圈H5页面', '微信公众号', '上海', 14298, 11682, 1880, 582, 154, 7348, 354);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-21 00:00:00',
'地推二维码扫描', 'Android APP', '深圳', 22079, 14333, 5565, 1742, 439, 8246, 211);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-22 00:00:00',
'UC浏览器引流', 'iOS APP', '上海', 28968, 18151, 7212, 2373, 1232, 10739, 578);
+
+```
+
+### 3.2 doris database preparation
+
+The following is the table creation script corresponding to the above data
table in doris
+
+```sql
+CREATE TABLE `order_analysis` (
+ `date` datetime DEFAULT NULL,
+ `user_src` varchar(30) DEFAULT NULL,
+ `order_src` varchar(50) DEFAULT NULL,
+ `order_location` varchar(10) DEFAULT NULL,
+ `new_order` int DEFAULT NULL,
+ `payed_order` int DEFAULT NULL,
+ `pending_order` int DEFAULT NULL,
+ `cancel_order` int DEFAULT NULL,
+ `reject_order` int DEFAULT NULL,
+ `good_order` int DEFAULT NULL,
+ `report_order` int DEFAULT NULL
+) ENGINE=OLAP
+DUPLICATE KEY(`date`,user_src)
+COMMENT "OLAP"
+DISTRIBUTED BY HASH(`user_src`) BUCKETS 1
+PROPERTIES (
+"replication_num" = "3",
+"in_memory" = "false",
+"storage_format" = "V2"
+);
+```
+
+### 3.3 Datax Job JSON file
+
+Create and edit the datax job task json file and save it to the specified
directory
+
+```json
+{
+ "job": {
+ "setting": {
+ "speed": {
+ "channel": 1
+ },
+ "errorLimit": {
+ "record": 0,
+ "percentage": 0
+ }
+ },
+ "content": [
+ {
+ "reader": {
+ "name": "mysqlreader",
+ "parameter": {
+ "username": "root",
+ "password": "zhangfeng",
+ "column":
["date","user_src","order_src","order_location","new_order","payed_order","
pending_order"," cancel_order"," reject_order"," good_order"," report_order" ],
+ "connection": [ { "table": [ "order_analysis" ],
"jdbcUrl": [ "jdbc:mysql://localhost:3306/demo" ] } ] }
+ },
+ "writer": {
+ "name": "doriswriter",
+ "parameter": {
+ "feLoadUrl": ["fe:8030"],
+ "beLoadUrl":
["be1:8040","be1:8040","be1:8040","be1:8040","be1:8040","be1:8040"],
+ "jdbcUrl": "jdbc:mysql://fe:9030/",
+ "database": "test_2",
+ "table": "order_analysis",
+ "column":
["date","user_src","order_src","order_location","new_order","payed_order","
pending_order"," cancel_order"," reject_order"," good_order"," report_order"],
+ "username": "root",
+ "password": "",
+ "postSql": [],
+ "preSql": [],
+ "loadProps": {
+ },
+ "maxBatchRows" : 10000,
+ "maxBatchByteSize" : 104857600,
+ "labelPrefix": "datax_doris_writer_demo_",
+ "lineDelimiter": "\n"
+ }
+ }
+ }
+ ]
+ }
+}
+```
+
+Refer to the usage of this piece of Mysql reader:
+
+```
+https://github.com/alibaba/DataX/blob/master/mysqlreader/doc/mysqlreader.md
+```
+
+The use and parameter description of doriswriter:
+
+```
+https://github.com/apache/incubator-doris/blob/master/extension/DataX/doriswriter/doc/doriswriter.md
+```
+
+## 4.Perform Datax data import tasks
+
+```python
+python bin/datax.py doris.json
+```
+
+Then you can see the execution result:
+
+
+
+Then go to the Doris database to check your table, the data has been imported,
and the task execution is over
+
+Because Datax tasks are executed by external triggers, here you can use Linux
crontab or Apache DolphinScheduler to control task operation
diff --git a/docs/zh-CN/best-practices/datax-doris-writer.md
b/docs/zh-CN/best-practices/datax-doris-writer.md
new file mode 100644
index 0000000..a13721f
--- /dev/null
+++ b/docs/zh-CN/best-practices/datax-doris-writer.md
@@ -0,0 +1,255 @@
+---
+{
+ "title": "Datax DorisWriter扩展使用方法",
+ "language": "zh-CN"
+}
+---
+
+<!--
+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.
+-->
+# Datax DorisWriter扩展使用方法
+
+DataX 是阿里云 DataWorks数据集成 的开源版本，在阿里巴巴集团内被广泛使用的离线数据同步工具/平台。DataX 实现了包括
MySQL、Oracle、SqlServer、Postgre、HDFS、Hive、ADS、HBase、TableStore(OTS)、MaxCompute(ODPS)、Hologres、DRDS
等各种异构数据源之间高效的数据同步功能
+
+为了更好的扩展Apache doris生态，为doris用户提供更方便的数据导入，社区开发扩展支持了Datax
DorisWriter，使大家更方便Datax进行数据进入
+
+## 1.场景
+
+这里演示介绍的使用 Doris 的 Datax 扩展 DorisWriter实现从Mysql数据定时抽取数据导入到Doris数仓表里
+
+## 2.编译 DorisWriter
+
+这个的扩展的编译可以不在 doris 的 docker 编译环境下进行，本文是在 windows 下的 WLS 下进行编译的
+
+首先从github上拉取源码
+
+```
+git clone https://github.com/apache/incubator-doris.git
+```
+
+进入到`incubator-doris/extension/DataX/` 执行编译
+
+首先执行：
+
+```shell
+sh init_env.sh
+```
+
+这个脚本主要用于构建 DataX 开发环境，他主要进行了以下操作：
+
+1. 将 DataX 代码库 clone 到本地。
+
+2. 将 `doriswriter/` 目录软链到 `DataX/doriswriter` 目录。
+
+3. 在 `DataX/pom.xml` 文件中添加 `<module>doriswriter</module>` 模块。
+
+4. 将 `DataX/core/pom.xml` 文件中的 httpclient 版本从 4.5 改为 4.5.13.
+
+ > httpclient v4.5 在处理 307 转发时有bug。
+
+这个脚本执行后，开发者就可以进入 `DataX/` 目录开始开发或编译了。因为做了软链，所以任何对 `DataX/doriswriter`
目录中文件的修改，都会反映到 `doriswriter/` 目录中，方便开发者提交代码
+
+### 2.1 开始编译
+
+这里为了加快编译速度你可以去掉一些没有用到的插件，例如下面这些：
+
+这里直接在Datax目录下的pom.xml里注释掉就行
+
+```
+hbase11xreader
+hbase094xreader
+tsdbreader
+oceanbasev10reader
+odpswriter
+hdfswriter
+adswriter
+ocswriter
+oscarwriter
+oceanbasev10writer
+```
+
+然后进入到`incubator-doris/extension/DataX/` 目录下的 Datax 目录，执行编译
+
+这里我是执行的将 Datax 编译成 tar 包，和官方的编译命令不太一样。
+
+```
+mvn -U clean package assembly:assembly -Dmaven.test.skip=true
+```
+
+
+
+
+
+编译完成以后，tar 包在 `Datax/target` 目录下，你可以将这tar包拷贝到你需要的地方，这里我是直接在 datax 执行测试，这里因为的
python 版本是 3.x版本，需要将 bin 目录下的三个文件换成 python 3 版本的，这个你可以去下面的地址下载：
+
+```
+https://github.com/WeiYe-Jing/datax-web/tree/master/doc/datax-web/datax-python3
+```
+
+将下载的三个文件替换 bin 目录下的文件以后，整个编译，安装就完成了
+
+## 3.数据接入
+
+这个时候我们就可以开始使用 Datax 的`doriswriter`扩展开始从Mysql（或者其他数据源）直接将数据抽取出来导入到 Doris 表中了。
+
+下面以 Mysql 数据库为例演示怎么使用 `Datax DorisWriter` 来完成 Mysql 数据库数据的抽取
+
+### 3.1 Mysql 数据库准备
+
+下面是数据库的建表脚本（mysql 8）：
+
+```sql
+CREATE TABLE `order_analysis` (
+ `date` varchar(19) DEFAULT NULL,
+ `user_src` varchar(9) DEFAULT NULL,
+ `order_src` varchar(11) DEFAULT NULL,
+ `order_location` varchar(2) DEFAULT NULL,
+ `new_order` int DEFAULT NULL,
+ `payed_order` int DEFAULT NULL,
+ `pending_order` int DEFAULT NULL,
+ `cancel_order` int DEFAULT NULL,
+ `reject_order` int DEFAULT NULL,
+ `good_order` int DEFAULT NULL,
+ `report_order` int DEFAULT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 ROW_FORMAT=COMPACT
+```
+
+示例数据
+
+```sql
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-12 00:00:00',
'广告二维码', 'Android APP', '上海', 15253, 13210, 684, 1247, 1000, 10824, 862);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-14 00:00:00',
'微信朋友圈H5页面', 'iOS APP', '广州', 17134, 11270, 549, 204, 224, 10234, 773);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-17 00:00:00',
'地推二维码扫描', 'iOS APP', '北京', 16061, 9418, 1220, 1247, 458, 13877, 749);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-17 00:00:00',
'微信朋友圈H5页面', '微信公众号', '武汉', 12749, 11127, 1773, 6, 5, 9874, 678);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-18 00:00:00',
'地推二维码扫描', 'iOS APP', '上海', 13086, 15882, 1727, 1764, 1429, 12501, 625);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-18 00:00:00',
'微信朋友圈H5页面', 'iOS APP', '武汉', 15129, 15598, 1204, 1295, 1831, 11500, 320);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-19 00:00:00',
'地推二维码扫描', 'Android APP', '杭州', 20687, 18526, 1398, 550, 213, 12911, 185);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-19 00:00:00',
'应用商店', '微信公众号', '武汉', 12388, 11422, 702, 106, 158, 5820, 474);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-20 00:00:00',
'微信朋友圈H5页面', '微信公众号', '上海', 14298, 11682, 1880, 582, 154, 7348, 354);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-21 00:00:00',
'地推二维码扫描', 'Android APP', '深圳', 22079, 14333, 5565, 1742, 439, 8246, 211);
+INSERT INTO `sql12298540`.`order_analysis` (`date`, `user_src`, `order_src`,
`order_location`, `new_order`, `payed_order`, `pending_order`, `cancel_order`,
`reject_order`, `good_order`, `report_order`) VALUES ('2015-10-22 00:00:00',
'UC浏览器引流', 'iOS APP', '上海', 28968, 18151, 7212, 2373, 1232, 10739, 578);
+
+```
+
+### 3.2 doris数据库准备
+
+下面是我上面数据表在doris对应的建表脚本
+
+```sql
+CREATE TABLE `order_analysis` (
+ `date` datetime DEFAULT NULL,
+ `user_src` varchar(30) DEFAULT NULL,
+ `order_src` varchar(50) DEFAULT NULL,
+ `order_location` varchar(10) DEFAULT NULL,
+ `new_order` int DEFAULT NULL,
+ `payed_order` int DEFAULT NULL,
+ `pending_order` int DEFAULT NULL,
+ `cancel_order` int DEFAULT NULL,
+ `reject_order` int DEFAULT NULL,
+ `good_order` int DEFAULT NULL,
+ `report_order` int DEFAULT NULL
+) ENGINE=OLAP
+DUPLICATE KEY(`date`,user_src)
+COMMENT "OLAP"
+DISTRIBUTED BY HASH(`user_src`) BUCKETS 1
+PROPERTIES (
+"replication_num" = "3",
+"in_memory" = "false",
+"storage_format" = "V2"
+);
+```
+
+### 3.3 Datax Job JSON文件
+
+创建并编辑datax job任务json文件，并保存到指定目录
+
+```json
+{
+ "job": {
+ "setting": {
+ "speed": {
+ "channel": 1
+ },
+ "errorLimit": {
+ "record": 0,
+ "percentage": 0
+ }
+ },
+ "content": [
+ {
+ "reader": {
+ "name": "mysqlreader",
+ "parameter": {
+ "username": "root",
+ "password": "zhangfeng",
+ "column":
["date","user_src","order_src","order_location","new_order","payed_order","
pending_order"," cancel_order"," reject_order"," good_order"," report_order" ],
+ "connection": [ { "table": [ "order_analysis" ],
"jdbcUrl": [ "jdbc:mysql://localhost:3306/demo" ] } ] }
+ },
+ "writer": {
+ "name": "doriswriter",
+ "parameter": {
+ "feLoadUrl": ["fe:8030"],
+ "beLoadUrl":
["be1:8040","be1:8040","be1:8040","be1:8040","be1:8040","be1:8040"],
+ "jdbcUrl": "jdbc:mysql://fe:9030/",
+ "database": "test_2",
+ "table": "order_analysis",
+ "column":
["date","user_src","order_src","order_location","new_order","payed_order","
pending_order"," cancel_order"," reject_order"," good_order"," report_order"],
+ "username": "root",
+ "password": "",
+ "postSql": [],
+ "preSql": [],
+ "loadProps": {
+ },
+ "maxBatchRows" : 10000,
+ "maxBatchByteSize" : 104857600,
+ "labelPrefix": "datax_doris_writer_demo_",
+ "lineDelimiter": "\n"
+ }
+ }
+ }
+ ]
+ }
+}
+```
+
+这块 Mysql reader 使用方式参照：
+
+```
+https://github.com/alibaba/DataX/blob/master/mysqlreader/doc/mysqlreader.md
+```
+
+doriswriter的使用及参数说明：
+
+```
+https://github.com/apache/incubator-doris/blob/master/extension/DataX/doriswriter/doc/doriswriter.md
+```
+
+## 4.执行Datax数据导入任务
+
+```python
+python bin/datax.py doris.json
+```
+
+然后就可以看到执行结果：
+
+
+
+再去 Doris 数据库中查看你的表，数据就已经导入进去了，任务执行结束
+
+因为 Datax 的任务是要靠外部触发才能执行，这里你可以使用Linux的crontab或者海豚调度之类的来控制任务运行
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