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Merge pull request #2269 from ziming-ai/add-milvus-writer
Add milvus writer Base on nianliuu:master
This commit is contained in:
dingxiaobo
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273
milvuswriter/doc/milvuswriter.md
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273
milvuswriter/doc/milvuswriter.md
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@ -0,0 +1,273 @@
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# DataX milvuswriter
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---
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## 1 快速介绍
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milvuswriter 插件实现了写入数据到 milvus集合的功能; 面向ETL开发工程师，使用 milvuswriter 从数仓导入数据到 milvus, 同时 milvuswriter 亦可以作为数据迁移工具为DBA等用户提供服务。
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## 2 实现原理
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milvuswriter 通过 DataX 框架获取 Reader 生成的协议数据，通过 `upsert/insert `方式写入数据到milvus, 并通过batchSize累积的方式进行数据提交。
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<br />
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注意：upsert写入方式（推荐）: 在非autid表场景下根据主键更新 Collection 中的某个 Entity；autid表场景下会将 Entity 中的主键替换为自动生成的主键并插入数据。
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insert写入方式: 多用于autid表插入数据milvus自动生成主键， 非autoid表下使用insert会导致数据重复。
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## 3 功能说明
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### 3.1 配置样例
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* 这里提供一份从内存产生数据导入到 milvus的配置样例。
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```json
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{
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"job": {
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"content": [
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{
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"reader": {
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"name": "streamreader",
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"parameter": {
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"column" : [
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{
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"value": 1,
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"type": "long"
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},
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{
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"value": "[1.1,1.2,1.3]",
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"type": "string"
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},
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{
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"value": 100,
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"type": "long"
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},
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{
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"value": 200,
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"type": "long"
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},
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{
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"value": 300,
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"type": "long"
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},
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{
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"value": 3.14159,
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"type": "double"
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},
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{
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"value": 3.1415926,
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"type": "double"
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},
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{
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"value": "testvarcharvalue",
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"type": "string"
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},
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{
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"value": true,
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"type": "bool"
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},
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{
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"value": "[1.123,1.2456,1.3789]",
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"type": "string"
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},
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{
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"value": "[2.123,2.2456,2.3789]",
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"type": "string"
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},
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{
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"value": "12345678",
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"type": "string"
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},
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{
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"value": "{\"a\":1,\"b\":2,\"c\":3}",
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"type": "string"
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},
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{
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"value": "[1,2,3,4]",
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"type": "string"
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}
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],
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"sliceRecordCount": 1
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}
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},
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"writer": {
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"parameter": {
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"schemaCreateMode": "createIfNotExist",
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"connectTimeoutMs": 60000,
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"writeMode": "upsert",
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"collection": "demo01",
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"type": "milvus",
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"token": "xxxxxxx",
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"endpoint": "https://xxxxxxxx.com:443",
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"batchSize": 1024,
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"column": [
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{
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"name": "id",
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"type": "Int64",
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"primaryKey": "true"
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},
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{
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"name": "floatvector",
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"type": "FloatVector",
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"dimension": "3"
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},
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{
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"name": "int8col",
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"type": "Int8"
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},
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{
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"name": "int16col",
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"type": "Int16"
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},
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{
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"name": "int32col",
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"type": "Int32"
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},
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{
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"name": "floatcol",
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"type": "Float"
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},
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{
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"name": "doublecol",
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"type": "Double"
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},
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{
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"name": "varcharcol",
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"type": "VarChar"
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},
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{
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"name": "boolcol",
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"type": "Bool"
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},
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{
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"name": "bfloat16vectorcol",
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"type": "BFloat16Vector",
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"dimension": "3"
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},
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{
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"name": "float16vectorcol",
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"type": "Float16Vector",
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"dimension": "3"
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},
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{
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"name": "binaryvectorcol",
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"type": "BinaryVector",
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"dimension": "64"
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},
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{
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"name": "jsoncol",
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"type": "JSON"
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},
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{
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"name": "intarraycol",
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"maxCapacity": "8",
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"type": "Array",
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"elementType": "Int32"
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}
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]
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},
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"name": "milvuswriter"
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}
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}
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],
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"setting": {
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"errorLimit": {
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"record": "0"
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},
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"speed": {
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"concurrent": 2,
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"channel": 2
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}
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}
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}
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}
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```
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### 3.2 参数说明
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* **endpoint**
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* 描述：milvus数据库的连接信息，包含地址和端口，例如https://xxxxxxxx.com:443
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注意：1、在一个数据库上只能配置一个 endpoint 值
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2、一个milvus 写入任务仅能配置一个 endpoint
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* 必选：是 <br />
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* 默认值：无 <br />
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* *schemaCreateMode*
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* 描述： 集合创建的模式，同步时milvus集合不存在的处理方式， 根据配置的column属性进行创建
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* 取值
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* createIfNotExist： 如果集合不存在，则创建集合，如果集合存在，则不执行任何操作
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* ignore： 如果集合不存在，任务异常报错，如果集合存在，则不执行任何操作
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* recreate： 如果集合不存在，则创建集合，如果集合存在，则删除集合重建集合
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* 必选：否 <br />
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* 默认值：createIfNotExist <br />
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* **connectTimeoutMs**
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* 描述：与milvus交互是客户端的连接超时时间，单位毫秒 <br />
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* 必选：否 <br />
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* 默认值：10000 <br />
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* **token**
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* 描述：milvus实例认证的token秘钥，与username认证方式二选一配置 <br />
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* 必选：否 <br />
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* 默认值：无 <br />
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* **username**
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* 描述：目的milvus数据库的用户名， 与token二选一配置 <br />
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* 必选：否 <br />
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* 默认值：无 <br />
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* **password**
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* 描述：目的milvus数据库的密码 <br />
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* 必选：否 <br />
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* 默认值：无 <br />
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* *writeMode*
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* 描述： 写入milvus集合的写入方式
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* 取值
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* upsert（推荐）: 在非autid表场景下根据主键更新 Collection 中的某个 Entity；autid表场景下会将 Entity 中的主键替换为自动生成的主键并插入数据。
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* insert: 多用于autid表插入数据milvus自动生成主键， 非autoid表下使用insert会导致数据重复。
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* 必选：是 <br />
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* 默认值：upsert <br />
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* **collection**
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* 描述：目的集合名称。 只能配置一个milvus的集合名称。
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* 必选：是 <br />
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* 默认值：无 <br />
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* **batchSize**
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* 描述：一次性批量提交的记录数大小，该值可以极大减少DataX与milvus的网络交互次数，并提升整体吞吐量。但是该值设置过大可能会造成DataX运行进程OOM情况。<br />
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* 必选：否 <br />
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* 默认值：1024<br />
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* **column**
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* 描述：目的集合需要写入数据的字段，字段内容用json格式描述，字段之间用英文逗号分隔。字段属性必填name、type, 其他属性在需要schemaCreateMode创建集合按需填入，例如:
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"column": [
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{
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"name": "id",
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"type": "Int64",
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"primaryKey": "true"
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},
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{
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"name": "floatvector",
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"type": "FloatVector",
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"dimension": "3"
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}]
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* 必选：是 <br />
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* 默认值：否 <br />
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### 3.3 支持同步milvus字段类型
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Bool,
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Int8,
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Int16,
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Int32,
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Int64,
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Float,
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Double,
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String,
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VarChar,
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Array,
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JSON,
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BinaryVector,
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FloatVector,
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Float16Vector,
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BFloat16Vector,
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SparseFloatVector
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125
milvuswriter/pom.xml
Normal file
125
milvuswriter/pom.xml
Normal file
@ -0,0 +1,125 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>com.alibaba.datax</groupId>
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<artifactId>datax-all</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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</parent>
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<artifactId>milvuswriter</artifactId>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<kotlin.code.style>official</kotlin.code.style>
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<kotlin.compiler.jvmTarget>1.8</kotlin.compiler.jvmTarget>
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</properties>
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<dependencies>
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<dependency>
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||||
<groupId>com.alibaba.fastjson2</groupId>
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||||
<artifactId>fastjson2</artifactId>
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||||
<version>2.0.49</version>
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</dependency>
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<dependency>
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||||
<groupId>com.alibaba.datax</groupId>
|
||||
<artifactId>datax-common</artifactId>
|
||||
<version>${datax-project-version}</version>
|
||||
<exclusions>
|
||||
<exclusion>
|
||||
<artifactId>slf4j-log4j12</artifactId>
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||||
<groupId>org.slf4j</groupId>
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</exclusion>
|
||||
</exclusions>
|
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</dependency>
|
||||
<dependency>
|
||||
<groupId>org.projectlombok</groupId>
|
||||
<artifactId>lombok</artifactId>
|
||||
<version>1.18.30</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<artifactId>guava</artifactId>
|
||||
<groupId>com.google.guava</groupId>
|
||||
<version>32.0.1-jre</version>
|
||||
</dependency>
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||||
<dependency>
|
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<groupId>io.milvus</groupId>
|
||||
<artifactId>milvus-sdk-java</artifactId>
|
||||
<version>2.5.2</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.mockito</groupId>
|
||||
<artifactId>mockito-core</artifactId>
|
||||
<version>3.3.3</version>
|
||||
<scope>test</scope>
|
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</dependency>
|
||||
<dependency>
|
||||
<groupId>junit</groupId>
|
||||
<artifactId>junit</artifactId>
|
||||
<version>4.11</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.jetbrains.kotlin</groupId>
|
||||
<artifactId>kotlin-stdlib</artifactId>
|
||||
<version>2.0.0</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.powermock</groupId>
|
||||
<artifactId>powermock-module-junit4</artifactId>
|
||||
<version>2.0.9</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.powermock</groupId>
|
||||
<artifactId>powermock-api-mockito2</artifactId>
|
||||
<version>2.0.9</version>
|
||||
<scope>test</scope>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<resources>
|
||||
<!--将resource目录也输出到target-->
|
||||
<resource>
|
||||
<directory>src/main/resources</directory>
|
||||
<includes>
|
||||
<include>**/*.*</include>
|
||||
</includes>
|
||||
<filtering>true</filtering>
|
||||
</resource>
|
||||
</resources>
|
||||
<plugins>
|
||||
<!-- compiler plugin -->
|
||||
<plugin>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<configuration>
|
||||
<source>${jdk-version}</source>
|
||||
<target>${jdk-version}</target>
|
||||
<encoding>${project-sourceEncoding}</encoding>
|
||||
</configuration>
|
||||
</plugin>
|
||||
<!-- assembly plugin -->
|
||||
<plugin>
|
||||
<artifactId>maven-assembly-plugin</artifactId>
|
||||
<configuration>
|
||||
<descriptors>
|
||||
<descriptor>src/main/assembly/package.xml</descriptor>
|
||||
</descriptors>
|
||||
<finalName>datax</finalName>
|
||||
</configuration>
|
||||
<executions>
|
||||
<execution>
|
||||
<id>dwzip</id>
|
||||
<phase>package</phase>
|
||||
<goals>
|
||||
<goal>single</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
</executions>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
</project>
|
||||
36
milvuswriter/src/main/assembly/package.xml
Normal file
36
milvuswriter/src/main/assembly/package.xml
Normal file
@ -0,0 +1,36 @@
|
||||
<assembly
|
||||
xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
|
||||
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
|
||||
<id></id>
|
||||
|
||||
<formats>
|
||||
<format>dir</format>
|
||||
</formats>
|
||||
<includeBaseDirectory>false</includeBaseDirectory>
|
||||
<fileSets>
|
||||
<fileSet>
|
||||
<directory>src/main/resources</directory>
|
||||
<includes>
|
||||
<include>plugin.json</include>
|
||||
<include>plugin_job_template.json</include>
|
||||
</includes>
|
||||
<outputDirectory>plugin/writer/milvuswriter</outputDirectory>
|
||||
</fileSet>
|
||||
<fileSet>
|
||||
<directory>target/</directory>
|
||||
<includes>
|
||||
<include>milvuswriter-0.0.1-SNAPSHOT.jar</include>
|
||||
</includes>
|
||||
<outputDirectory>plugin/writer/milvuswriter</outputDirectory>
|
||||
</fileSet>
|
||||
</fileSets>
|
||||
|
||||
<dependencySets>
|
||||
<dependencySet>
|
||||
<useProjectArtifact>false</useProjectArtifact>
|
||||
<outputDirectory>plugin/writer/milvuswriter/libs</outputDirectory>
|
||||
<scope>runtime</scope>
|
||||
</dependencySet>
|
||||
</dependencySets>
|
||||
</assembly>
|
||||
@ -0,0 +1,17 @@
|
||||
package com.alibaba.datax.plugin.writer.milvuswriter;
|
||||
|
||||
public class KeyConstant {
|
||||
public static final String USERNAME = "username";
|
||||
public static final String PASSWORD = "password";
|
||||
public static final String ENDPOINT = "endpoint";
|
||||
public static final String TOKEN = "token";
|
||||
public static final String DATABASE = "database";
|
||||
public static final String COLLECTION = "collection";
|
||||
public static final String BATCH_SIZE = "batchSize";
|
||||
public static final String COLUMN = "column";
|
||||
public static final String SCHAME_CREATE_MODE = "schemaCreateMode";
|
||||
public static final String WRITE_MODE = "writeMode";
|
||||
public static final String PARTITION = "partition";
|
||||
public static final String CONNECT_TIMEOUT_MS = "connectTimeoutMs";
|
||||
public static final String ENABLE_DYNAMIC_SCHEMA = "enableDynamicSchema";
|
||||
}
|
||||
@ -0,0 +1,166 @@
|
||||
package com.alibaba.datax.plugin.writer.milvuswriter;
|
||||
|
||||
import com.alibaba.datax.common.element.Column;
|
||||
import com.alibaba.datax.common.plugin.TaskPluginCollector;
|
||||
import com.alibaba.datax.plugin.writer.milvuswriter.enums.WriteModeEnum;
|
||||
import com.alibaba.fastjson2.JSONArray;
|
||||
import com.google.gson.Gson;
|
||||
import com.google.gson.JsonObject;
|
||||
import io.milvus.v2.common.DataType;
|
||||
import io.milvus.v2.service.vector.request.data.BFloat16Vec;
|
||||
import io.milvus.v2.service.vector.request.data.Float16Vec;
|
||||
import lombok.extern.slf4j.Slf4j;
|
||||
|
||||
import java.nio.ByteBuffer;
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
import java.util.TreeMap;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
import com.alibaba.datax.common.element.Record;
|
||||
import com.alibaba.datax.common.util.Configuration;
|
||||
import com.alibaba.fastjson2.JSON;
|
||||
import com.alibaba.fastjson2.TypeReference;
|
||||
|
||||
@Slf4j
|
||||
public class MilvusBufferWriter {
|
||||
|
||||
private final MilvusClient milvusClient;
|
||||
private final String collection;
|
||||
private final Integer batchSize;
|
||||
private List<JsonObject> dataCache;
|
||||
private List<MilvusColumn> milvusColumnMeta;
|
||||
private WriteModeEnum writeMode;
|
||||
private String partition;
|
||||
|
||||
public MilvusBufferWriter(MilvusClient milvusClient, Configuration writerSliceConfig) {
|
||||
this.milvusClient = milvusClient;
|
||||
this.collection = writerSliceConfig.getString(KeyConstant.COLLECTION);
|
||||
this.batchSize = writerSliceConfig.getInt(KeyConstant.BATCH_SIZE, 100);
|
||||
this.dataCache = new ArrayList<>(batchSize);
|
||||
this.milvusColumnMeta = JSON.parseObject(writerSliceConfig.getString(KeyConstant.COLUMN), new TypeReference<List<MilvusColumn>>() {
|
||||
});
|
||||
this.writeMode = WriteModeEnum.getEnum(writerSliceConfig.getString(KeyConstant.WRITE_MODE));
|
||||
this.partition = writerSliceConfig.getString(KeyConstant.PARTITION);
|
||||
}
|
||||
|
||||
public void add(Record record, TaskPluginCollector taskPluginCollector) {
|
||||
try {
|
||||
JsonObject data = this.convertByType(milvusColumnMeta, record);
|
||||
dataCache.add(data);
|
||||
} catch (Exception e) {
|
||||
taskPluginCollector.collectDirtyRecord(record, String.format("parse record error errorMessage: %s", e.getMessage()));
|
||||
}
|
||||
}
|
||||
|
||||
public Boolean needCommit() {
|
||||
return dataCache.size() >= batchSize;
|
||||
}
|
||||
|
||||
public void commit() {
|
||||
if (dataCache.isEmpty()) {
|
||||
log.info("dataCache is empty, skip commit");
|
||||
return;
|
||||
}
|
||||
if (writeMode == WriteModeEnum.INSERT) {
|
||||
milvusClient.insert(collection, partition, dataCache);
|
||||
} else {
|
||||
milvusClient.upsert(collection, partition, dataCache);
|
||||
}
|
||||
dataCache = new ArrayList<>(batchSize);
|
||||
}
|
||||
|
||||
public int getDataCacheSize() {
|
||||
return dataCache.size();
|
||||
}
|
||||
|
||||
private JsonObject convertByType(List<MilvusColumn> milvusColumnMeta, Record record) {
|
||||
JsonObject data = new JsonObject();
|
||||
Gson gson = new Gson();
|
||||
for (int i = 0; i < record.getColumnNumber(); i++) {
|
||||
MilvusColumn milvusColumn = milvusColumnMeta.get(i);
|
||||
DataType fieldType = milvusColumn.getMilvusTypeEnum();
|
||||
String fieldName = milvusColumn.getName();
|
||||
Column column = record.getColumn(i);
|
||||
try {
|
||||
Object field = convertToMilvusField(fieldType, column, milvusColumn);
|
||||
data.add(fieldName, gson.toJsonTree(field));
|
||||
} catch (Exception e) {
|
||||
log.error("parse error for column: {} errorMessage: {}", fieldName, e.getMessage(), e);
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
//值需要跟这里匹配：io.milvus.param.ParamUtils#checkFieldData(io.milvus.param.collection.FieldType, java.util.List<?>, boolean)
|
||||
private Object convertToMilvusField(DataType type, Column column, MilvusColumn milvusColumn) {
|
||||
if (column.getRawData() == null) {
|
||||
return null;
|
||||
}
|
||||
switch (type) {
|
||||
case Int8:
|
||||
case Int16:
|
||||
case Int32:
|
||||
case Int64:
|
||||
return column.asLong();
|
||||
case Float:
|
||||
case Double:
|
||||
return column.asDouble();
|
||||
case String:
|
||||
case VarChar:
|
||||
return column.asString();
|
||||
case Bool:
|
||||
return column.asBoolean();
|
||||
case BFloat16Vector:
|
||||
JSONArray bFloat16ArrayJson = JSON.parseArray(column.asString());
|
||||
List<Float> bfloat16Vector = new ArrayList<>();
|
||||
for (int i = 0; i < bFloat16ArrayJson.size(); i++) {
|
||||
Float value = Float.parseFloat(bFloat16ArrayJson.getString(i));
|
||||
bfloat16Vector.add(value);
|
||||
}
|
||||
BFloat16Vec bFloat16Vec = new BFloat16Vec(bfloat16Vector);
|
||||
ByteBuffer byteBuffer = (ByteBuffer) bFloat16Vec.getData();
|
||||
return byteBuffer.array();
|
||||
case Float16Vector:
|
||||
JSONArray float16ArrayJson = JSON.parseArray(column.asString());
|
||||
List<Float> float16Vector = new ArrayList<>();
|
||||
for (int i = 0; i < float16ArrayJson.size(); i++) {
|
||||
Float floatValue = Float.parseFloat(float16ArrayJson.getString(i));
|
||||
float16Vector.add(floatValue);
|
||||
}
|
||||
Float16Vec float16Vec = new Float16Vec(float16Vector);
|
||||
ByteBuffer data = (ByteBuffer) float16Vec.getData();
|
||||
return data.array();
|
||||
case BinaryVector:
|
||||
return column.asBytes();
|
||||
case FloatVector:
|
||||
JSONArray arrayJson = JSON.parseArray(column.asString());
|
||||
return arrayJson.stream().map(item -> Float.parseFloat(String.valueOf(item))).collect(Collectors.toList());
|
||||
case SparseFloatVector:
|
||||
//[3:0.5, 24:0.8, 76:0.2]
|
||||
try {
|
||||
JSONArray sparseFloatArray = JSON.parseArray(column.asString());
|
||||
TreeMap<Long, Float> mapValue = new TreeMap<>();
|
||||
for (int i = 0; i < sparseFloatArray.size(); i++) {
|
||||
String value = sparseFloatArray.getString(i);
|
||||
String[] split = value.split(":");
|
||||
Long key = Long.parseLong(split[0]);
|
||||
Float val = Float.parseFloat(split[1]);
|
||||
mapValue.put(key, val);
|
||||
}
|
||||
return mapValue;
|
||||
} catch (Exception e) {
|
||||
log.error("parse column[{}] SparseFloatVector value error, value should like [3:0.5, 24:0.8, 76:0.2], but get:{}", milvusColumn.getName(), column.asString());
|
||||
throw e;
|
||||
}
|
||||
case JSON:
|
||||
return column.asString();
|
||||
case Array:
|
||||
JSONArray parseArray = JSON.parseArray(column.asString());
|
||||
return parseArray.stream().map(item -> String.valueOf(item)).collect(Collectors.toList());
|
||||
default:
|
||||
throw new RuntimeException(String.format("Unsupported data type[%s]", type));
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,95 @@
|
||||
package com.alibaba.datax.plugin.writer.milvuswriter;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import com.alibaba.datax.common.util.Configuration;
|
||||
|
||||
import com.google.gson.JsonObject;
|
||||
import io.milvus.v2.client.ConnectConfig;
|
||||
import io.milvus.v2.client.MilvusClientV2;
|
||||
import io.milvus.v2.service.collection.request.CreateCollectionReq;
|
||||
import io.milvus.v2.service.collection.request.DropCollectionReq;
|
||||
import io.milvus.v2.service.collection.request.HasCollectionReq;
|
||||
import io.milvus.v2.service.partition.request.CreatePartitionReq;
|
||||
import io.milvus.v2.service.partition.request.HasPartitionReq;
|
||||
import io.milvus.v2.service.vector.request.InsertReq;
|
||||
import io.milvus.v2.service.vector.request.UpsertReq;
|
||||
import lombok.extern.slf4j.Slf4j;
|
||||
import org.apache.commons.lang3.StringUtils;
|
||||
|
||||
/**
|
||||
* @author ziming(子茗)
|
||||
* @date 12/27/24
|
||||
* @description
|
||||
*/
|
||||
@Slf4j
|
||||
public class MilvusClient {
|
||||
private MilvusClientV2 milvusClientV2;
|
||||
|
||||
public MilvusClient(Configuration conf) {
|
||||
// connect to milvus
|
||||
ConnectConfig connectConfig = ConnectConfig.builder().uri(conf.getString(KeyConstant.ENDPOINT)).build();
|
||||
String token = null;
|
||||
if (conf.getString(KeyConstant.TOKEN) != null) {
|
||||
token = conf.getString(KeyConstant.TOKEN);
|
||||
} else {
|
||||
token = conf.getString(KeyConstant.USERNAME) + ":" + conf.getString(KeyConstant.PASSWORD);
|
||||
}
|
||||
connectConfig.setToken(token);
|
||||
String database = conf.getString(KeyConstant.DATABASE);
|
||||
if (StringUtils.isNotBlank(database)) {
|
||||
log.info("use database {}", database);
|
||||
connectConfig.setDbName(conf.getString(KeyConstant.DATABASE));
|
||||
}
|
||||
Integer connectTimeOut = conf.getInt(KeyConstant.CONNECT_TIMEOUT_MS);
|
||||
if (connectTimeOut != null) {
|
||||
connectConfig.setConnectTimeoutMs(connectTimeOut);
|
||||
}
|
||||
this.milvusClientV2 = new MilvusClientV2(connectConfig);
|
||||
}
|
||||
|
||||
public void upsert(String collection, String partition, List<JsonObject> data) {
|
||||
UpsertReq upsertReq = UpsertReq.builder().collectionName(collection).data(data).build();
|
||||
if (StringUtils.isNotEmpty(partition)) {
|
||||
upsertReq.setPartitionName(partition);
|
||||
}
|
||||
milvusClientV2.upsert(upsertReq);
|
||||
}
|
||||
|
||||
public void insert(String collection, String partition, List<JsonObject> data) {
|
||||
InsertReq insertReq = InsertReq.builder().collectionName(collection).data(data).build();
|
||||
if (StringUtils.isNotEmpty(partition)) {
|
||||
insertReq.setPartitionName(partition);
|
||||
}
|
||||
milvusClientV2.insert(insertReq);
|
||||
}
|
||||
|
||||
public Boolean hasCollection(String collection) {
|
||||
HasCollectionReq build = HasCollectionReq.builder().collectionName(collection).build();
|
||||
return milvusClientV2.hasCollection(build);
|
||||
}
|
||||
|
||||
public void createCollection(String collection, CreateCollectionReq.CollectionSchema schema) {
|
||||
CreateCollectionReq createCollectionReq = CreateCollectionReq.builder().collectionName(collection).collectionSchema(schema).build();
|
||||
milvusClientV2.createCollection(createCollectionReq);
|
||||
}
|
||||
|
||||
public void dropCollection(String collection) {
|
||||
DropCollectionReq request = DropCollectionReq.builder().collectionName(collection).build();
|
||||
milvusClientV2.dropCollection(request);
|
||||
}
|
||||
public Boolean hasPartition(String collection, String partition) {
|
||||
HasPartitionReq hasPartitionReq = HasPartitionReq.builder().collectionName(collection).partitionName(partition).build();
|
||||
return milvusClientV2.hasPartition(hasPartitionReq);
|
||||
}
|
||||
|
||||
public void createPartition(String collectionName, String partitionName) {
|
||||
CreatePartitionReq createPartitionReq = CreatePartitionReq.builder().collectionName(collectionName).partitionName(partitionName).build();
|
||||
milvusClientV2.createPartition(createPartitionReq);
|
||||
}
|
||||
|
||||
public void close() {
|
||||
log.info("Closing Milvus client");
|
||||
milvusClientV2.close();
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,112 @@
|
||||
package com.alibaba.datax.plugin.writer.milvuswriter;
|
||||
|
||||
import io.milvus.v2.common.DataType;
|
||||
|
||||
import java.util.Arrays;
|
||||
|
||||
/**
|
||||
* @author ziming(子茗)
|
||||
* @date 12/27/24
|
||||
* @description
|
||||
*/
|
||||
public class MilvusColumn {
|
||||
private String name;
|
||||
private String type;
|
||||
private DataType milvusTypeEnum;
|
||||
private Boolean isPrimaryKey;
|
||||
private Integer dimension;
|
||||
private Boolean isPartitionKey;
|
||||
private Integer maxLength;
|
||||
private Boolean isAutoId;
|
||||
private Integer maxCapacity;
|
||||
private String elementType;
|
||||
|
||||
public String getName() {
|
||||
return name;
|
||||
}
|
||||
|
||||
public void setName(String name) {
|
||||
this.name = name;
|
||||
}
|
||||
|
||||
public String getType() {
|
||||
return type;
|
||||
}
|
||||
|
||||
public void setType(String type) {
|
||||
this.type = type;
|
||||
for (DataType item : DataType.values()) {
|
||||
if (item.name().equalsIgnoreCase(type)) {
|
||||
this.milvusTypeEnum = item;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (this.milvusTypeEnum == null) {
|
||||
throw new RuntimeException("Unsupported type: " + type + " supported types: " + Arrays.toString(DataType.values()));
|
||||
}
|
||||
}
|
||||
|
||||
public Integer getDimension() {
|
||||
return dimension;
|
||||
}
|
||||
|
||||
public void setDimension(Integer dimension) {
|
||||
this.dimension = dimension;
|
||||
}
|
||||
|
||||
public Integer getMaxLength() {
|
||||
return maxLength;
|
||||
}
|
||||
|
||||
public void setMaxLength(Integer maxLength) {
|
||||
this.maxLength = maxLength;
|
||||
}
|
||||
|
||||
public Boolean getPrimaryKey() {
|
||||
return isPrimaryKey;
|
||||
}
|
||||
|
||||
public Boolean getPartitionKey() {
|
||||
return isPartitionKey;
|
||||
}
|
||||
|
||||
public void setPartitionKey(Boolean partitionKey) {
|
||||
isPartitionKey = partitionKey;
|
||||
}
|
||||
|
||||
public void setPrimaryKey(Boolean primaryKey) {
|
||||
isPrimaryKey = primaryKey;
|
||||
}
|
||||
|
||||
public Boolean getAutoId() {
|
||||
return isAutoId;
|
||||
}
|
||||
|
||||
public void setAutoId(Boolean autoId) {
|
||||
isAutoId = autoId;
|
||||
}
|
||||
|
||||
public Integer getMaxCapacity() {
|
||||
return maxCapacity;
|
||||
}
|
||||
|
||||
public void setMaxCapacity(Integer maxCapacity) {
|
||||
this.maxCapacity = maxCapacity;
|
||||
}
|
||||
|
||||
public String getElementType() {
|
||||
return elementType;
|
||||
}
|
||||
|
||||
public void setElementType(String elementType) {
|
||||
this.elementType = elementType;
|
||||
}
|
||||
|
||||
public DataType getMilvusTypeEnum() {
|
||||
return milvusTypeEnum;
|
||||
}
|
||||
|
||||
public void setMilvusTypeEnum(DataType milvusTypeEnum) {
|
||||
this.milvusTypeEnum = milvusTypeEnum;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,102 @@
|
||||
package com.alibaba.datax.plugin.writer.milvuswriter;
|
||||
|
||||
import java.util.List;
|
||||
|
||||
import com.alibaba.datax.common.util.Configuration;
|
||||
import com.alibaba.datax.plugin.writer.milvuswriter.enums.SchemaCreateModeEnum;
|
||||
import com.alibaba.fastjson2.JSON;
|
||||
import com.alibaba.fastjson2.TypeReference;
|
||||
|
||||
import io.milvus.v2.common.DataType;
|
||||
import io.milvus.v2.service.collection.request.AddFieldReq;
|
||||
import io.milvus.v2.service.collection.request.CreateCollectionReq;
|
||||
import lombok.extern.slf4j.Slf4j;
|
||||
|
||||
import static io.milvus.v2.common.DataType.valueOf;
|
||||
|
||||
/**
|
||||
* @author ziming(子茗)
|
||||
* @date 12/27/24
|
||||
* @description
|
||||
*/
|
||||
@Slf4j
|
||||
public class MilvusCreateCollection {
|
||||
|
||||
private Configuration config;
|
||||
|
||||
MilvusCreateCollection(Configuration originalConfig) {
|
||||
this.config = originalConfig;
|
||||
}
|
||||
|
||||
public void createCollectionByMode(MilvusClient milvusClient) {
|
||||
String collection = this.config.getString(KeyConstant.COLLECTION);
|
||||
SchemaCreateModeEnum schemaCreateMode = SchemaCreateModeEnum.getEnum(this.config.getString(KeyConstant.SCHAME_CREATE_MODE));
|
||||
List<MilvusColumn> milvusColumnMeta = JSON.parseObject(config.getString(KeyConstant.COLUMN), new TypeReference<List<MilvusColumn>>() {
|
||||
});
|
||||
Boolean hasCollection = milvusClient.hasCollection(collection);
|
||||
if (schemaCreateMode == SchemaCreateModeEnum.CREATEIFNOTEXIT) {
|
||||
// create collection
|
||||
if (hasCollection) {
|
||||
log.info("collection[{}] already exists, continue create", collection);
|
||||
} else {
|
||||
log.info("creating collection[{}]", collection);
|
||||
CreateCollectionReq.CollectionSchema collectionSchema = prepareCollectionSchema(milvusColumnMeta);
|
||||
milvusClient.createCollection(collection, collectionSchema);
|
||||
}
|
||||
} else if (schemaCreateMode == SchemaCreateModeEnum.RECREATE) {
|
||||
if (hasCollection) {
|
||||
log.info("collection already exist, try to drop");
|
||||
milvusClient.dropCollection(collection);
|
||||
}
|
||||
log.info("creating collection[{}]", collection);
|
||||
CreateCollectionReq.CollectionSchema collectionSchema = prepareCollectionSchema(milvusColumnMeta);
|
||||
milvusClient.createCollection(collection, collectionSchema);
|
||||
} else if (schemaCreateMode == SchemaCreateModeEnum.IGNORE && !hasCollection) {
|
||||
log.error("Collection not exist, throw exception");
|
||||
throw new RuntimeException("Collection not exist");
|
||||
}
|
||||
}
|
||||
|
||||
private CreateCollectionReq.CollectionSchema prepareCollectionSchema(List<MilvusColumn> milvusColumnMeta) {
|
||||
CreateCollectionReq.CollectionSchema collectionSchema = CreateCollectionReq.CollectionSchema.builder().build();
|
||||
for (int i = 0; i < milvusColumnMeta.size(); i++) {
|
||||
MilvusColumn milvusColumn = milvusColumnMeta.get(i);
|
||||
AddFieldReq addFieldReq = AddFieldReq.builder()
|
||||
.fieldName(milvusColumn.getName())
|
||||
.dataType(valueOf(milvusColumn.getType()))
|
||||
.build();
|
||||
if (milvusColumn.getPrimaryKey() != null) {
|
||||
addFieldReq.setIsPrimaryKey(milvusColumn.getPrimaryKey());
|
||||
}
|
||||
if (milvusColumn.getDimension() != null) {
|
||||
addFieldReq.setDimension(milvusColumn.getDimension());
|
||||
}
|
||||
if (milvusColumn.getPartitionKey() != null) {
|
||||
addFieldReq.setIsPartitionKey(milvusColumn.getPartitionKey());
|
||||
}
|
||||
if (milvusColumn.getMaxLength() != null) {
|
||||
addFieldReq.setMaxLength(milvusColumn.getMaxLength());
|
||||
}
|
||||
if (milvusColumn.getAutoId() != null) {
|
||||
addFieldReq.setAutoID(milvusColumn.getAutoId());
|
||||
}
|
||||
if (milvusColumn.getMaxCapacity() != null) {
|
||||
addFieldReq.setMaxCapacity(milvusColumn.getMaxCapacity());
|
||||
}
|
||||
if (milvusColumn.getElementType() != null) {
|
||||
addFieldReq.setElementType(DataType.valueOf(milvusColumn.getElementType()));
|
||||
}
|
||||
try {
|
||||
collectionSchema.addField(addFieldReq);
|
||||
} catch (Exception e) {
|
||||
log.error("add filed[{}] error", milvusColumn.getName());
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
Boolean enableDynamic = config.getBool(KeyConstant.ENABLE_DYNAMIC_SCHEMA);
|
||||
if (enableDynamic != null) {
|
||||
collectionSchema.setEnableDynamicField(enableDynamic);
|
||||
}
|
||||
return collectionSchema;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,110 @@
|
||||
package com.alibaba.datax.plugin.writer.milvuswriter;
|
||||
|
||||
import com.alibaba.datax.common.element.Record;
|
||||
import com.alibaba.datax.common.exception.DataXException;
|
||||
import com.alibaba.datax.common.plugin.RecordReceiver;
|
||||
import com.alibaba.datax.common.spi.Writer;
|
||||
import com.alibaba.datax.common.util.Configuration;
|
||||
|
||||
import lombok.extern.slf4j.Slf4j;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.List;
|
||||
|
||||
@Slf4j
|
||||
public class MilvusWriter extends Writer {
|
||||
public static class Job extends Writer.Job {
|
||||
private Configuration originalConfig = null;
|
||||
|
||||
@Override
|
||||
public void init() {
|
||||
this.originalConfig = super.getPluginJobConf();
|
||||
originalConfig.getNecessaryValue(KeyConstant.ENDPOINT, MilvusWriterErrorCode.REQUIRED_VALUE);
|
||||
originalConfig.getNecessaryValue(KeyConstant.COLUMN, MilvusWriterErrorCode.REQUIRED_VALUE);
|
||||
originalConfig.getNecessaryValue(KeyConstant.COLLECTION, MilvusWriterErrorCode.REQUIRED_VALUE);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void prepare() {
|
||||
//collection create process
|
||||
MilvusClient milvusClient = new MilvusClient(originalConfig);
|
||||
try {
|
||||
MilvusCreateCollection milvusCreateCollection = new MilvusCreateCollection(originalConfig);
|
||||
milvusCreateCollection.createCollectionByMode(milvusClient);
|
||||
String collection = originalConfig.getString(KeyConstant.COLLECTION);
|
||||
String partition = originalConfig.getString(KeyConstant.PARTITION);
|
||||
if (partition != null && !milvusClient.hasPartition(collection, partition)) {
|
||||
log.info("collection[{}] not contain partition[{}],try to create partition", collection, partition);
|
||||
milvusClient.createPartition(collection, partition);
|
||||
}
|
||||
} catch (Exception e) {
|
||||
throw DataXException.asDataXException(MilvusWriterErrorCode.MILVUS_COLLECTION, e.getMessage(), e);
|
||||
} finally {
|
||||
milvusClient.close();
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 切分任务。<br>
|
||||
*
|
||||
* @param mandatoryNumber 为了做到Reader、Writer任务数对等，这里要求Writer插件必须按照源端的切分数进行切分。否则框架报错！
|
||||
*/
|
||||
@Override
|
||||
public List<Configuration> split(int mandatoryNumber) {
|
||||
List<Configuration> configList = new ArrayList<>();
|
||||
for (int i = 0; i < mandatoryNumber; i++) {
|
||||
configList.add(this.originalConfig.clone());
|
||||
}
|
||||
return configList;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void destroy() {
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
public static class Task extends Writer.Task {
|
||||
|
||||
private MilvusBufferWriter milvusBufferWriter;
|
||||
MilvusClient milvusClient;
|
||||
|
||||
@Override
|
||||
public void init() {
|
||||
log.info("Initializing Milvus writer");
|
||||
// get configuration
|
||||
Configuration writerSliceConfig = this.getPluginJobConf();
|
||||
this.milvusClient = new MilvusClient(writerSliceConfig);
|
||||
this.milvusBufferWriter = new MilvusBufferWriter(this.milvusClient, writerSliceConfig);
|
||||
log.info("Milvus writer initialized");
|
||||
}
|
||||
|
||||
@Override
|
||||
public void startWrite(RecordReceiver lineReceiver) {
|
||||
Record record = null;
|
||||
while ((record = lineReceiver.getFromReader()) != null) {
|
||||
milvusBufferWriter.add(record, this.getTaskPluginCollector());
|
||||
if (milvusBufferWriter.needCommit()) {
|
||||
log.info("begin committing data size[{}]", milvusBufferWriter.getDataCacheSize());
|
||||
milvusBufferWriter.commit();
|
||||
}
|
||||
}
|
||||
if (milvusBufferWriter.getDataCacheSize() > 0) {
|
||||
log.info("begin committing data size[{}]", milvusBufferWriter.getDataCacheSize());
|
||||
milvusBufferWriter.commit();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void prepare() {
|
||||
super.prepare();
|
||||
}
|
||||
|
||||
@Override
|
||||
public void destroy() {
|
||||
if (this.milvusClient != null) {
|
||||
this.milvusClient.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,35 @@
|
||||
package com.alibaba.datax.plugin.writer.milvuswriter;
|
||||
|
||||
import com.alibaba.datax.common.spi.ErrorCode;
|
||||
|
||||
/**
|
||||
* @author ziming(子茗)
|
||||
* @date 12/27/24
|
||||
* @description
|
||||
*/
|
||||
public enum MilvusWriterErrorCode implements ErrorCode {
|
||||
MILVUS_COLLECTION("MilvusWriter-01", "collection process error"),
|
||||
REQUIRED_VALUE("MilvusWriter-02", "miss required parameter");
|
||||
private final String code;
|
||||
private final String description;
|
||||
|
||||
MilvusWriterErrorCode(String code, String description) {
|
||||
this.code = code;
|
||||
this.description = description;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getCode() {
|
||||
return this.code;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String getDescription() {
|
||||
return this.description;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String toString() {
|
||||
return String.format("Code:[%s], Description:[%s]. ", this.code, this.description);
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,34 @@
|
||||
package com.alibaba.datax.plugin.writer.milvuswriter.enums;
|
||||
|
||||
import lombok.extern.slf4j.Slf4j;
|
||||
|
||||
/**
|
||||
* @author ziming(子茗)
|
||||
* @date 12/27/24
|
||||
* @description
|
||||
*/
|
||||
@Slf4j
|
||||
public enum SchemaCreateModeEnum {
|
||||
CREATEIFNOTEXIT("createIfNotExist"),
|
||||
IGNORE("ignore"),
|
||||
RECREATE("recreate");
|
||||
String type;
|
||||
|
||||
SchemaCreateModeEnum(String type) {
|
||||
this.type = type;
|
||||
}
|
||||
|
||||
public String getType() {
|
||||
return type;
|
||||
}
|
||||
|
||||
public static SchemaCreateModeEnum getEnum(String name) {
|
||||
for (SchemaCreateModeEnum value : SchemaCreateModeEnum.values()) {
|
||||
if (value.getType().equalsIgnoreCase(name)) {
|
||||
return value;
|
||||
}
|
||||
}
|
||||
log.info("use default CREATEIFNOTEXIT schame create mode");
|
||||
return CREATEIFNOTEXIT;
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,28 @@
|
||||
package com.alibaba.datax.plugin.writer.milvuswriter.enums;
|
||||
|
||||
import lombok.extern.slf4j.Slf4j;
|
||||
|
||||
@Slf4j
|
||||
public enum WriteModeEnum {
|
||||
INSERT("insert"),
|
||||
UPSERT("upsert");
|
||||
String mode;
|
||||
|
||||
public String getMode() {
|
||||
return mode;
|
||||
}
|
||||
|
||||
WriteModeEnum(String mode) {
|
||||
this.mode = mode;
|
||||
}
|
||||
|
||||
public static WriteModeEnum getEnum(String mode) {
|
||||
for (WriteModeEnum writeModeEnum : WriteModeEnum.values()) {
|
||||
if (writeModeEnum.getMode().equalsIgnoreCase(mode)) {
|
||||
return writeModeEnum;
|
||||
}
|
||||
}
|
||||
log.info("use default write mode upsert");
|
||||
return UPSERT;
|
||||
}
|
||||
}
|
||||
6
milvuswriter/src/main/resources/plugin.json
Normal file
6
milvuswriter/src/main/resources/plugin.json
Normal file
@ -0,0 +1,6 @@
|
||||
{
|
||||
"name": "milvuswriter",
|
||||
"class": "com.alibaba.datax.plugin.writer.milvuswriter.MilvusWriter",
|
||||
"description": "useScene: prod. mechanism: via milvusclient connect milvus write data concurrent.",
|
||||
"developer": "nianliuu"
|
||||
}
|
||||
12
milvuswriter/src/main/resources/plugin_job_template.json
Normal file
12
milvuswriter/src/main/resources/plugin_job_template.json
Normal file
@ -0,0 +1,12 @@
|
||||
{
|
||||
"name": "milvuswriter",
|
||||
"parameter": {
|
||||
"endpoint": "",
|
||||
"username": "",
|
||||
"password": "",
|
||||
"database": "",
|
||||
"collection": "",
|
||||
"column": [],
|
||||
"enableDynamicSchema": ""
|
||||
}
|
||||
}
|
||||
@ -546,5 +546,12 @@
|
||||
</includes>
|
||||
<outputDirectory>datax</outputDirectory>
|
||||
</fileSet>
|
||||
<fileSet>
|
||||
<directory>milvuswriter/target/datax/</directory>
|
||||
<includes>
|
||||
<include>**/*.*</include>
|
||||
</includes>
|
||||
<outputDirectory>datax</outputDirectory>
|
||||
</fileSet>
|
||||
</fileSets>
|
||||
</assembly>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user