> ## Documentation Index
> Fetch the complete documentation index at: https://clickhouse.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

> ClickHouse 与 Azure Synapse 集成简介

# Azure Synapse 与 ClickHouse 集成

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            支持 ClickHouse
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<ClickHouseSupportedBadge />

[Azure Synapse](https://azure.microsoft.com/en-us/products/synapse-analytics) 是一项集成分析服务，结合了大数据、数据科学和数据仓库功能，可实现快速的大规模数据分析。
在 Synapse 中，Spark 池提供按需、可扩展的 [Apache Spark](https://spark.apache.org) 集群，让你能够执行复杂的数据转换、机器学习任务，以及与外部系统集成。

本文将介绍在 Azure Synapse 中使用 Apache Spark 时，如何集成 [ClickHouse Spark connector](/docs/zh/integrations/connectors/data-ingestion/apache-spark/spark-native-connector)。

<div id="add-connector-dependencies">
  ## 添加连接器依赖项
</div>

Azure Synapse 支持三个级别的[包管理](https://learn.microsoft.com/en-us/azure/synapse-analytics/spark/apache-spark-azure-portal-add-libraries)：

1. 默认包
2. Spark 池级别
3. 会话级别

<br />

请按照 [Apache Spark 池库管理指南](https://learn.microsoft.com/en-us/azure/synapse-analytics/spark/apache-spark-manage-pool-packages)中的说明，将以下必需依赖项添加到 Spark 应用程序中

* `clickhouse-spark-runtime-{spark_version}_{scala_version}-{connector_version}.jar` - [官方 Maven](https://mvnrepository.com/artifact/com.clickhouse.spark)
* `clickhouse-jdbc-{java_client_version}-all.jar` - [官方 Maven](https://mvnrepository.com/artifact/com.clickhouse/clickhouse-jdbc)

请参阅我们的 [Spark Connector Compatibility Matrix](/docs/zh/integrations/connectors/data-ingestion/apache-spark/spark-native-connector#compatibility-matrix) 文档，了解哪些版本适合您的需求。

<div id="add-clickhouse-as-catalog">
  ## 将 ClickHouse 添加为 catalog
</div>

可通过多种方式将 Spark 配置添加到当前会话：

* 加载会话时使用自定义配置文件
* 通过 Azure Synapse UI 添加配置
* 在 Synapse 笔记本 中添加配置

请按照此文档 [管理 Apache Spark 配置](https://learn.microsoft.com/en-us/azure/synapse-analytics/spark/apache-spark-azure-create-spark-configuration)
并添加[连接器所需的 Spark 配置](/docs/zh/integrations/connectors/data-ingestion/apache-spark/spark-native-connector#register-the-catalog-required)。

例如，你可以在 笔记本 中使用以下设置来配置 Spark 会话：

```python theme={null}
%%configure -f
{
    "conf": {
        "spark.sql.catalog.clickhouse": "com.clickhouse.spark.ClickHouseCatalog",
        "spark.sql.catalog.clickhouse.host": "<clickhouse host>",
        "spark.sql.catalog.clickhouse.protocol": "https",
        "spark.sql.catalog.clickhouse.http_port": "<port>",
        "spark.sql.catalog.clickhouse.user": "<username>",
        "spark.sql.catalog.clickhouse.password": "password",
        "spark.sql.catalog.clickhouse.database": "default"
    }
}
```

请确保它位于第一个单元格中，如下所示：

<Image img="https://mintcdn.com/private-7c7dfe99/Rm4A9_kDxZf0ApeE/images/integrations/data-ingestion/azure-synapse/spark_notebook_conf.webp?fit=max&auto=format&n=Rm4A9_kDxZf0ApeE&q=85&s=f45f76cb318c0c65a1ecae90edd158e8" size="xl" alt="通过笔记本设置 Spark 配置" border width="1255" height="407" data-path="images/integrations/data-ingestion/azure-synapse/spark_notebook_conf.webp" />

如需更多设置，请访问 [ClickHouse Spark 配置页面](/docs/zh/integrations/connectors/data-ingestion/apache-spark/spark-native-connector#configurations)。

<Info>
  使用 ClickHouse Cloud 时，请务必设置[所需的 Spark 配置](/docs/zh/integrations/connectors/data-ingestion/apache-spark/spark-native-connector#clickhouse-cloud-settings)。
</Info>

<div id="setup-verification">
  ## 设置验证
</div>

要验证依赖项和配置是否已成功完成设置，请访问当前 会话 的 Spark UI，并转到 `Environment` 选项卡。
在这里，查找与你的 ClickHouse 相关的设置：

<Image img="https://mintcdn.com/private-7c7dfe99/Rm4A9_kDxZf0ApeE/images/integrations/data-ingestion/azure-synapse/spark_ui_ch_settings.webp?fit=max&auto=format&n=Rm4A9_kDxZf0ApeE&q=85&s=954767d8d40dedc2823122451bba4ddd" size="xl" alt="使用 Spark UI 验证 ClickHouse 设置" border width="1499" height="280" data-path="images/integrations/data-ingestion/azure-synapse/spark_ui_ch_settings.webp" />

<div id="additional-resources">
  ## 其他资源
</div>

* [ClickHouse Spark Connector 文档](/docs/zh/integrations/connectors/data-ingestion/apache-spark/index)
* [Azure Synapse Apache Spark 池概述](https://learn.microsoft.com/en-us/azure/synapse-analytics/spark/apache-spark-overview)
* [优化 Apache Spark 工作负载性能](https://learn.microsoft.com/en-us/azure/synapse-analytics/spark/apache-spark-performance)
* [管理 Synapse 中 Apache Spark 池的库](https://learn.microsoft.com/en-us/azure/synapse-analytics/spark/apache-spark-manage-pool-packages)
* [管理 Synapse 中的 Apache Spark 配置](https://learn.microsoft.com/en-us/azure/synapse-analytics/spark/apache-spark-azure-create-spark-configuration)
