| 
								 
                                
                                    | Recent Posts |  - May, 2025-5,(1)
 - April, 2025-4,(1)
 - January, 2025-1,(1)
 - July, 2024-7,(1)
 - May, 2024-5,(2)
 - May, 2023-5,(1)
 - February, 2023-2,(1)
 - November, 2022-11,(1)
 - July, 2022-7,(2)
 - March, 2022-3,(1)
 - November, 2021-11,(2)
 - August, 2021-8,(2)
 - July, 2021-7,(2)
 - June, 2021-6,(1)
 - May, 2021-5,(1)
 - March, 2021-3,(1)
 - February, 2021-2,(2)
 - January, 2021-1,(7)
 - December, 2020-12,(3)
 - March, 2020-3,(2)
 - February, 2020-2,(1)
 - December, 2019-12,(2)
 - November, 2019-11,(1)
 - October, 2019-10,(1)
 - September, 2019-9,(1)
 - August, 2019-8,(1)
 - May, 2019-5,(1)
 - April, 2019-4,(2)
 - March, 2019-3,(2)
 - December, 2018-12,(1)
 - November, 2018-11,(4)
 - July, 2018-7,(1)
 - May, 2018-5,(3)
 - April, 2018-4,(2)
 - February, 2018-2,(3)
 - January, 2018-1,(3)
 - November, 2017-11,(2)
 - August, 2017-8,(1)
 - June, 2017-6,(3)
 - May, 2017-5,(5)
 - February, 2017-2,(1)
 - December, 2016-12,(1)
 - October, 2016-10,(2)
 - September, 2016-9,(1)
 - August, 2016-8,(1)
 - July, 2016-7,(1)
 - March, 2016-3,(2)
 - February, 2016-2,(3)
 - December, 2015-12,(5)
 - November, 2015-11,(5)
 - September, 2015-9,(1)
 - August, 2015-8,(2)
 - July, 2015-7,(1)
 - March, 2015-3,(2)
 - February, 2015-2,(1)
 - December, 2014-12,(4)
 - July, 2014-7,(2)
 - June, 2014-6,(2)
 - May, 2014-5,(3)
 - April, 2014-4,(3)
 - March, 2014-3,(1)
 - December, 2013-12,(2)
 - November, 2013-11,(1)
 - July, 2013-7,(1)
 - June, 2013-6,(2)
 - May, 2013-5,(1)
 - March, 2013-3,(3)
 - February, 2013-2,(3)
 - January, 2013-1,(1)
 - December, 2012-12,(3)
 - November, 2012-11,(1)
 - October, 2012-10,(1)
 - September, 2012-9,(1)
 - August, 2012-8,(1)
 - July, 2012-7,(6)
 - June, 2012-6,(1)
 - April, 2012-4,(1)
 - March, 2012-3,(3)
 - February, 2012-2,(3)
 - January, 2012-1,(4)
 - December, 2011-12,(3)
 - October, 2011-10,(3)
 - September, 2011-9,(1)
 - August, 2011-8,(10)
 - July, 2011-7,(2)
 - June, 2011-6,(7)
 - March, 2011-3,(2)
 - February, 2011-2,(3)
 - January, 2011-1,(1)
 - September, 2010-9,(1)
 - August, 2010-8,(2)
 - June, 2010-6,(1)
 - May, 2010-5,(1)
 - April, 2010-4,(3)
 - March, 2010-3,(2)
 - February, 2010-2,(3)
 - January, 2010-1,(1)
 - December, 2009-12,(3)
 - November, 2009-11,(3)
 - October, 2009-10,(2)
 - September, 2009-9,(5)
 - August, 2009-8,(3)
 - July, 2009-7,(9)
 - June, 2009-6,(2)
 - May, 2009-5,(2)
 - April, 2009-4,(9)
 - March, 2009-3,(6)
 - February, 2009-2,(4)
 - January, 2009-1,(10)
 - December, 2008-12,(5)
 - November, 2008-11,(5)
 - October, 2008-10,(13)
 - September, 2008-9,(10)
 - August, 2008-8,(7)
 - July, 2008-7,(8)
 - June, 2008-6,(12)
 - May, 2008-5,(14)
 - April, 2008-4,(12)
 - March, 2008-3,(17)
 - February, 2008-2,(10)
 - January, 2008-1,(16)
 - December, 2007-12,(6)
 - November, 2007-11,(4)
 
  |    
                                
								 
						 | 
                         
						 
					 | 
					
                        
        
            
                
                    
                        
                            | 
                             | 
                            
                                rbio_await_response
                             | 
                            
                                4/11/2025 5:34:48 AM
                             | 
                         
                     
                 | 
             
            
                | 
                    Began seeing a new wait time for Azure SQL Server on hyperscale tier, rbio_await_response. 
 
 It is not affecting performance, but does show up as a wait time with no sql statement associated with it. 
 
 Response from Microsoft is that this was the result of a recent patch and they are researching. 
 
 Logins coming from user {machine}\\{windows fabric user} or NTAUTHORITY\SYSTEM and they are related to some of our internal tasks like Backup or running other background tasks. You may see the same logins in sp_who2 running system threads as well. There’s no negative performance on the db because of this wait type and the queries coming from System user and the program name Fabric:/Worker.Vldb.Compute/facb87701e95. In fact, Fabric:/Worker.Vldb.Compute/facb87701e95 is basically the HS behind the covers. 
 We are working internally and exploring available options to correct this behavior. 
 
 A copilot generated image, including odd spelling: 
  
                 | 
             
            
                
                     
                    
                    Blog Home
                 | 
             
         
					
					 |