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Helper I
Helper I

Warehouse performance last 24 hours



Has anyone else seen a significant decrease in performance for the data warehousing in fabric over the last 24 hours.  Basic queries against a fabric data warehouse that should take less than 10 seconds are running for 30 minutes or longer.  All of of my ADF flows using warehouse as a source run for 6 to 8 hours before failing and they used to run for less than 10 minutes.  The fabric status page reports no issues but I can not get any results from my data warehouse to return. I am just rying to find out if anyone else is experience issues.



Community Support
Community Support

Hello @mwsmole & @AndyDDC 
Thanks for using the Fabrics community and we are sorry about the poor experience here . Issues relating to  performances are really tough to comment on as it requires a bit of investigation .
I will request you to please go ahead with Microsoft support on this .


Once you have a SR# , please do share that here , so that we can keep an eye on the same .


Hi @mwsmoley , @AndyDDC 

We haven’t heard from you on the last response and was just checking back to see whether your have got chance to create a support ticket. If yes, please do share that here, so that we can keep an eye on the same.

Yes a support ticket was created but by the time the issue was reviewed fabric had been unusable for 4 to 5 days and then just started working.

Solution Sage
Solution Sage

Hi @mwsmoley it may not be much help to you but I have had performance degradation over the last few days with the Fabric Warehouse service with loading queries that took 3 minutes, now taking over 10 minutes.  As the product is still in public preview, there are likely a whole host of  development work being done.


I would see (like I am) what the performance is like during this week.



Thanks for responding and good to know it is happening to others. I wish if it was them working on an update that they would change the status page, send out an email, or create a blog post. Nothing to do but wait.



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