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[Improve][Project] Code format with spotless plugin. (#4101)
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‎docs/en/Connector-v2-release-state.md‎

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# Connector Release Status
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SeaTunnel uses a grading system for connectors to help you understand what to expect from a connector:
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| | Alpha | Beta | General Availability (GA) |
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| | Alpha | Beta | General Availability (GA) |
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|----------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| Expectations | An alpha connector signifies a connector under development and helps SeaTunnel gather early feedback and issues reported by early adopters. We strongly discourage using alpha releases for production use cases | A beta connector is considered stable and reliable with no backwards incompatible changes but has not been validated by a broader group of users. We expect to find and fix a few issues and bugs in the release before it’s ready for GA. | A generally available connector has been deemed ready for use in a production environment and is officially supported by SeaTunnel. Its documentation is considered sufficient to support widespread adoption. |
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| | | | |
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| Production Readiness | No | Yes | Yes |
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## Connector V2 Health
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| Connector Name | Type | Status | Support Version |
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| Connector Name | Type | Status | Support Version |
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|-------------------------------------------------------------|--------|--------|-----------------|
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| [AmazonDynamoDB](connector-v2/sink/AmazonDynamoDB.md) | Sink | Beta | 2.3.0 |
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| [AmazonDynamoDB](connector-v2/source/AmazonDynamoDB.md) | Source | Beta | 2.3.0 |
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| [Socket](connector-v2/source/Socket.md) | Source | Beta | 2.2.0-beta |
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| [StarRocks](connector-v2/sink/StarRocks.md) | Sink | Alpha | 2.3.0 |
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| [Tablestore](connector-v2/sink/Tablestore.md) | Sink | Alpha | 2.3.0 |
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‎docs/en/about.md‎

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synchronization of massive data. It can synchronize tens of billions of data stably and efficiently every day, and has
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been used in the production of nearly 100 companies.
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## Why do we need SeaTunnel
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SeaTunnel focuses on data integration and data synchronization, and is mainly designed to solve common problems in the field of data integration:
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## Connector
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- **Source Connectors** SeaTunnel support read data from various relational databases, graph databases, NoSQL databases, document databases, and memory databases. Various distributed file systems such as HDFS. A variety of cloud storage, such as S3 and OSS. At the same time, we also support data reading of many common SaaS services. You can access the detailed list [here](connector-v2/source). If you want, You can develop your own source connector and easily integrate it into seatunnel.
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- **Source Connectors** SeaTunnel support read data from various relational databases, graph databases, NoSQL databases, document databases, and memory databases. Various distributed file systems such as HDFS. A variety of cloud storage, such as S3 and OSS. At the same time, we also support data reading of many common SaaS services. You can access the detailed list [here](connector-v2/source). If you want, You can develop your own source connector and easily integrate it into seatunnel.
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- **Transform Connector** If the schema is different between source and sink, You can use Transform Connector to change the schema read from source and make it same as the sink schema.
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‎docs/en/concept/config.md‎

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---
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sidebar_position: 2
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---
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-------------------
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# Intro to config file
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The main format of the Config file is `hocon`, for more details of this format type you can refer to [HOCON-GUIDE](https://github.com/lightbend/config/blob/main/HOCON.md),
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BTW, we also support the `json` format, but you should know that the name of the config file should end with `.json`
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## Example
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Before you read on, you can find config file

‎docs/en/concept/connector-v2-features.md‎

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### parallelism
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Parallelism Source Connector support config `parallelism`, every parallelism will create a task to read the data.
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Parallelism Source Connector support config `parallelism`, every parallelism will create a task to read the data.
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In the **Parallelism Source Connector**, the source will be split into multiple splits, and then the enumerator will allocate the splits to the SourceReader for processing.
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### support user-defined split
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### cdc(change data capture)
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If a sink connector supports writing row kinds(INSERT/UPDATE_BEFORE/UPDATE_AFTER/DELETE) based on primary key, we think it supports cdc(change data capture).
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If a sink connector supports writing row kinds(INSERT/UPDATE_BEFORE/UPDATE_AFTER/DELETE) based on primary key, we think it supports cdc(change data capture).

‎docs/en/concept/schema-feature.md‎

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## What type supported at now
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| Data type | Description |
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| :-------- | :----------------------------------------------------------- |
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| string | string |
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| boolean | boolean |
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| tinyint | -128 to 127 regular. 0 to 255 unsigned*. Specify the maximum number of digits in parentheses. |
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| smallint | -32768 to 32767 General. 0 to 65535 unsigned*. Specify the maximum number of digits in parentheses. |
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| int | All numbers from -2,147,483,648 to 2,147,483,647 are allowed. |
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| bigint | All numbers between -9,223,372,036,854,775,808 and 9,223,372,036,854,775,807 are allowed. |
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| float | Float-precision numeric data from -1.79E+308 to 1.79E+308. |
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| double | Double precision floating point. Handle most decimals. |
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| decimal | DOUBLE type stored as a string, allowing a fixed decimal point. |
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| null | null |
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| bytes | bytes. |
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| date | Only the date is stored. From January 1, 0001 to December 31, 9999. |
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| time | Only store time. Accuracy is 100 nanoseconds. |
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| timestamp | Stores a unique number that is updated whenever a row is created or modified. timestamp is based on the internal clock and does not correspond to real time. There can only be one timestamp variable per table. |
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| row | Row type,can be nested. |
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| Data type | Description |
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|:----------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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| string | string |
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| boolean | boolean |
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| tinyint | -128 to 127 regular. 0 to 255 unsigned*. Specify the maximum number of digits in parentheses. |
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| smallint | -32768 to 32767 General. 0 to 65535 unsigned*. Specify the maximum number of digits in parentheses. |
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| int | All numbers from -2,147,483,648 to 2,147,483,647 are allowed. |
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| bigint | All numbers between -9,223,372,036,854,775,808 and 9,223,372,036,854,775,807 are allowed. |
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| float | Float-precision numeric data from -1.79E+308 to 1.79E+308. |
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| double | Double precision floating point. Handle most decimals. |
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| decimal | DOUBLE type stored as a string, allowing a fixed decimal point. |
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| null | null |
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| bytes | bytes. |
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| date | Only the date is stored. From January 1, 0001 to December 31, 9999. |
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| time | Only store time. Accuracy is 100 nanoseconds. |
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| timestamp | Stores a unique number that is updated whenever a row is created or modified. timestamp is based on the internal clock and does not correspond to real time. There can only be one timestamp variable per table. |
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| row | Row type,can be nested. |
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| map | A Map is an object that maps keys to values. The key type includes `int` `string` `boolean` `tinyint` `smallint` `bigint` `float` `double` `decimal` `date` `time` `timestamp` `null` , and the value type includes `int` `string` `boolean` `tinyint` `smallint` `bigint` `float` `double` `decimal` `date` `time` `timestamp` `null` `array` `map`. |
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| array | A array is a data type that represents a collection of elements. The element type includes `int` `string` `boolean` `tinyint` `smallint` `bigint` `float` `double` `array` `map`. |
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| array | A array is a data type that represents a collection of elements. The element type includes `int` `string` `boolean` `tinyint` `smallint` `bigint` `float` `double` `array` `map`. |
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## How to use schema
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## When we should use it or not
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If there is a `schema` configuration project in Options,the connector can then customize the schema. Like `Fake` `Pulsar` `Http` source connector etc.
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If there is a `schema` configuration project in Options,the connector can then customize the schema. Like `Fake` `Pulsar` `Http` source connector etc.

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