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Posted to issues@nifi.apache.org by "Paul Kelly (Jira)" <ji...@apache.org> on 2025/11/14 19:10:00 UTC

[jira] [Assigned] (NIFI-14318) PutAzureBlobStorage_v12 cannot upload files larger than 200GB

     [ https://issues.apache.org/jira/browse/NIFI-14318?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul Kelly reassigned NIFI-14318:
---------------------------------

    Assignee: Paul Kelly

> PutAzureBlobStorage_v12 cannot upload files larger than 200GB
> -------------------------------------------------------------
>
>                 Key: NIFI-14318
>                 URL: https://issues.apache.org/jira/browse/NIFI-14318
>             Project: Apache NiFi
>          Issue Type: Bug
>    Affects Versions: 1.28.1, 2.2.0
>            Reporter: Paul Kelly
>            Assignee: Paul Kelly
>            Priority: Major
>              Labels: azure, azureblob
>
> NIFI-11987 added a block size limit of 4MB.  Azure Blob Storage has a maximum number of blocks of 50,000 per blob.  Therefore, the largest file that PutAzureBlobStorage_v12 can currently upload is 4MB * 50,000 = 200GB.  The service supports blocks up to 100MB for a total of 100MB * 50,000 = 5TB per blob.  The block size should be calculated dynamically – or at least be configurable – to allow uploading files larger than 200GB.



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