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Copy file name to clipboardExpand all lines: docs/big-data-cluster/sparklyr-from-RStudio.md
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@@ -27,7 +27,7 @@ Sparklyr provides an R interface for Apache Spark. Sparklyr is a popular way for
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Install and configure **RStudio Desktop** with the following steps:
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1. If you are running on a Windows client, [download and install R 3.6.3](https://cran.rstudio.com/bin/windows/base/old/3.6.3). Also, [download and install RTools 3.5](https://cran.r-project.org/bin/windows/Rtools/history.html). Make sure to configure RTools binary folder on your PATH environment variable.
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1. If you are running on a Windows client, [download and install R 3.6.3](https://cran.r-project.org/bin/windows/base/old/). Also, [download and install RTools 3.5](https://cran.r-project.org/bin/windows/Rtools/history.html). Make sure to configure RTools binary folder on your PATH environment variable.
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> [!WARNING]
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> R version 4.x and sparklyr versions other that the one specified below are verified not to work as of SQL Server Big Data Clusters CU13.
Copy file name to clipboardExpand all lines: docs/relational-databases/backup-restore/sql-server-backup-and-restore-with-s3-compatible-object-storage.md
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storage: Learn about SQL Server backup to and restore from S3-compatible object storage, including the benefits of using S3-compatible object storage to store SQL Server backups.
# SQL Server backup and restore with S3-compatible object storage
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[!INCLUDE [SQL Server 2022](../../includes/applies-to-version/sqlserver2022.md)]
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## Overview
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[!INCLUDE[sssql22-md](../../includes/sssql22-md.md)] introduces object storage integration to the data platform, enabling you to integrate SQL Server with S3-compatible object storage in addition to Azure Storage. To provide this integration SQL Server has been enhanced with a new S3 connector, which uses the S3 REST API to connect to any provider of S3-compatible object storage. [!INCLUDE[sssql22-md](../../includes/sssql22-md.md)] extends the existing BACKUP/RESTORE TO/FROM URL syntax by adding support for the new S3 connector using the REST API. For information on supported platforms, see [providers of S3-compatible object storage](#providers-of-s3-compatible-object-storage).
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[!INCLUDE[sssql22-md](../../includes/sssql22-md.md)] introduces object storage integration to the data platform, enabling you to integrate SQL Server with S3-compatible object storage in addition to Azure Storage. To provide this integration SQL Server is enhanced with a new S3 connector, which uses the S3 REST API to connect to any provider of S3-compatible object storage. [!INCLUDE[sssql22-md](../../includes/sssql22-md.md)] extends the existing BACKUP/RESTORE TO/FROM URL syntax by adding support for the new S3 connector using the REST API. For information on supported platforms, see [providers of S3-compatible object storage](#providers-of-s3-compatible-object-storage).
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This article contains information on using Backup to URL for S3-compatible object storage. To learn more about using Backup to URL for S3-compatible object storage, see [SQL Server backup to URL for S3-compatible object storage](sql-server-backup-to-url-s3-compatible-object-storage.md).
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This article contains information on using Backup to URL for S3-compatible object storage. To learn more about using Backup to URL for S3-compatible object storage, see [SQL Server backup to URL for S3-compatible object storage](sql-server-backup-to-url-s3-compatible-object-storage.md).
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### Backup and Restore to S3-compatible storage
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The `BACKUP TO URL` and `RESTORE FROM URL` syntax has been extended to support the S3 connector. For more information on Backup to URL functionality, see:
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The `BACKUP TO URL` and `RESTORE FROM URL` syntax is extended to support the S3 connector. For more information on Backup to URL functionality, see:
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-[SQL Server backup to URL for S3-compatible object storage](sql-server-backup-to-url-s3-compatible-object-storage.md).
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The following table provides a nonexhaustive summary of object storage providers offering an S3 endpoint as part of their solution. Not all solutions have been validated against the current version of [!INCLUDE [sssql22-md](../../includes/sssql22-md.md)].
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The S3 endpoint must have been configured as follows:
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- TLS has been configured. It is assumed that all connections will be securely transmitted over HTTPS not HTTP. SQL Server requires the certificate for this scenario.
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- A user (Access Key ID) has been configured and the secret (Secret Key ID) for that user is known to you. You need both to authenticate against the S3 endpoint.
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- At least one bucket has been configured. Buckets can't be created or configured inside [!INCLUDE[sssql22-md](../../includes/sssql22-md.md)].
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- TLS is configured. It's assumed that all connections will be securely transmitted over HTTPS not HTTP. SQL Server requires the certificate for this scenario.
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- A user (Access Key ID) is configured and the secret (Secret Key ID) for that user is known to you. You need both to authenticate against the S3 endpoint.
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- At least one bucket is configured. Buckets can't be created or configured inside [!INCLUDE[sssql22-md](../../includes/sssql22-md.md)].
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## Performance best practices
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## Known issues and limitations
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Due to the current limitation of S3 Standard REST API, the temporary uncommitted data files are not removed in case of failures. They can be created in the S3-compatible object store due to an ongoing multipart upload operation while the BACKUP T-SQL command is running. These uncommitted data blocks persist in the S3-compatible object storage in the case the BACKUP T-SQL command fails or is canceled. If the backup succeeds, the object store automatically removes these temporary files to form the final backup file. Some S3-providers handle temporary file cleanup through their garbage collector system.
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Due to the current limitation of S3 Standard REST API, the temporary uncommitted data files aren't removed if there are failures. They can be created in the S3-compatible object store due to an ongoing multipart upload operation while the BACKUP T-SQL command is running. These uncommitted data blocks persist in the S3-compatible object storage in the case the BACKUP T-SQL command fails or is canceled. If the backup succeeds, the object store automatically removes these temporary files to form the final backup file. Some S3-providers handle temporary file cleanup through their garbage collector system.
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## Related content
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