cancel
Showing results for 
Search instead for 
Did you mean: 
Data Engineering
cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

MiguelKulisic
by New Contributor II
  • 5036 Views
  • 2 replies
  • 4 kudos

Resolved! ProtocolChangedException on concurrent blind appends to delta table

Hello, I am developing an application that runs multiple processes that write their results to a common delta table as blind appends. According to the docs I've read online: https://docs.databricks.com/delta/concurrency-control.html#protocolchangedex...

  • 5036 Views
  • 2 replies
  • 4 kudos
Latest Reply
-werners-
Esteemed Contributor III
  • 4 kudos

I think you are right, the mergeSchema will change the schema of the table, but if you both write to that same table with another schema, which one will it be?Can you check if both of you actually write the same schema, or remove the mergeschema?

  • 4 kudos
1 More Replies
ptambe
by New Contributor III
  • 2485 Views
  • 6 replies
  • 3 kudos

Resolved! Is Concurrent Writes from multiple databricks clusters to same delta table on S3 Supported?

Does databricks have support for writing to same Delta Table from multiple clusters concurrently. I am specifically interested to know if there is any solution for https://github.com/delta-io/delta/issues/41 implemented in databricks OR if you have a...

  • 2485 Views
  • 6 replies
  • 3 kudos
Latest Reply
dennyglee
New Contributor III
  • 3 kudos

Please note, the issue noted above [Storage System] Support for AWS S3 (multiple clusters/drivers/JVMs) is for Delta Lake OSS. As noted in this issue as well as Issue 324, as of this writing, S3 lacks putIfAbsent transactional consistency. For Del...

  • 3 kudos
5 More Replies
Labels