Casey Karst

1. Community
2. Feature Requests
3. Managed Data Lake S3 - Iceberg table management

Write credentials are GA. https://www.fivetran.com/blog/introducing-fivetran-managed-data-lake-write-credentialsWe do not support partitioning of tables associated with Fivetran syncs, but this doe...

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• Casey Karst
• September 10, 2026 16:36
• 0 votes

1. Community
2. Feature Requests
3. Destination Improvement: Ability to delete data from Managed Data Lake Destinations

This feature was released via write credentials in MDLS. https://www.fivetran.com/blog/introducing-fivetran-managed-data-lake-write-credentials 

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• Casey Karst
• September 10, 2026 16:33
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1. Community
2. Feature Requests
3. Destination Improvement: Add Compaction for Managed Data Lake (Apache Iceberg)

Hi Chris, We have made substantial improvements to our inline compaction ability without introducing any additional costs or overhead to users. If you are still experiencing what you consider subop...

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• Casey Karst
• September 10, 2026 16:31
• 0 votes

1. Community
2. Feature Requests
3. Destination ADLS2 - Data append in parquet format instead of delta

Thanks for the request! Fivetran Managed Data Lake (ADLS) writes the data as both Apache Iceberg and Delta so that the data can be consumed by downstream query engines. When the ADLS destination in...

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• Casey Karst
• September 10, 2026 16:24
• 0 votes

1. Community
2. Feature Requests
3. Managed Data Lake Service - ADLS catalog integration with Oracle Database

Each engine has it's own ways of configuring the ability to read from Fivetran Managed Data Lakes. While we do provide guidance for some external engines in the product it should not be considered ...

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• Casey Karst
• September 10, 2026 16:19
• 0 votes

1. Community
2. Feature Requests
3. Add "use own Service Account" capability for GCS Managed Data Lake Service

Hi Germann, thanks for the feedback. This is something that we have added to our backlog but we do not have a current timeline for the release.  -casey 

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• Casey Karst
• July 10, 2026 16:53
• Edited
• 0 votes

1. Community
2. Feature Requests
3. Managed Data Lake S3 - Iceberg table management

Hi Goncalo!  Thanks for the feedback. We are about to release a secondary user credential which has write capability to our MDLS tables. This enables you to solve 2 quite easily. While you could th...

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• Casey Karst
• July 10, 2026 16:52
• 0 votes

1. Community
2. Feature Requests
3. AWS S3 Tables

Fivetran currently does not support S3 Tables as a Storage Provider. Managed Data Lakes provides a managed Data Lake offering on S3 buckets directly. Are there any features or capabilities in S3 ta...

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• Casey Karst
• June 24, 2026 16:13
• 0 votes

1. Community
2. Feature Requests
3. Partitioning on fivetran synced column while syncing the data to Iceberg from MySQL

Thanks Megha for the request. We have been looking at improvements on the read side improvements including partitioning. We are making improvements in how we sort data during Fivetran Syncs that sh...

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• Casey Karst
• June 23, 2026 22:48
• 0 votes

1. Community
2. Feature Requests
3. Optional Date-Based Partitioning for Connector File Outputs

Thanks Henrique for the request. In your thinking, would you want the time based partitioning based on the fivetran_sync time or a user defined time value in the dataset? For most of our workloads ...

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• Casey Karst
• June 05, 2026 18:17
• 0 votes