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https://issues.apache.org/jira/browse/SOLR-17949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18040516#comment-18040516
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Jan Høydahl commented on SOLR-17949:
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Thanks for the contribution! I'm sure this is a very welcome feature. I have
done some initial review of the PR, but invite other committers to see this to
completion with actual tests with an Azure account.
> Add Azure Blob Storage backup repository module
> -----------------------------------------------
>
> Key: SOLR-17949
> URL: https://issues.apache.org/jira/browse/SOLR-17949
> Project: Solr
> Issue Type: New Feature
> Components: Backup/Restore
> Environment: * Tested with Java 17+
> * Compatible with Solr 10.x
> * Works with Azurite (local) and Azure Blob Storage (production)
> * All major operating systems (macOS, Linux, Windows)
> Reporter: Prateek Singhal
> Priority: Major
> Labels: azure, azureblob, backup, pull-request-available, restore
> Time Spent: 3h 10m
> Remaining Estimate: 0h
>
> Currently, Solr lacks native support for backing up and restoring collections
> to Azure Blob Storage. Organizations running Solr on Azure infrastructure
> have no built-in way to leverage Azure Blob Storage for their backup and
> restore operations, forcing them to use either local filesystem repositories
> (which don't scale well in cloud environments) or third-party solutions.
> This is problematic for Azure-based deployments because:
> - Azure Blob Storage is the natural, cost-effective storage solution in Azure
> environments
> - Lack of native Azure support creates operational complexity
> - Users cannot take advantage of Azure's built-in durability,
> geo-replication, and lifecycle management
> This contribution adds a BlobBackupRepository module that implements Solr's
> BackupRepository interface
> for Azure Blob Storage, following the same patterns as the existing GCS and
> S3 backup repositories.
> Implementation approach:
> - New blob-repository module under solr/modules/
> - Support for 4 authentication methods (Connection String, Account Name +
> Key, SAS Token, Azure Identity)
> - Compatible with Azurite emulator for local development
> - Follows Solr's established backup repository patterns
> - 76 unit tests covering all authentication methods and backup/restore
> operations
> - All dependencies use Apache 2.0 compatible licenses
> This enables Solr users on Azure to perform native backup and restore
> operations using Azure Blob Storage, with the same ease of use as S3 and GCS
> repositories.
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