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Blocking caused by Query Store. Unable to clear or disable
Odd SQL Server hang when querying exec DMVsCan a maintenance workload after a SQL Server reboot cause SQL outage or issue when application load resumes?SPIDs stuck indefinitely in suspended stateRead Committed Snapshot Isolation vs Read Committed - pros and cons?Problems caused by SQL Server 2016 Query StoreNeed to intentionally create blocking processes for testingOpen Transaction Locking in SQL Server 2008R2Rollback taking foreverLots of short term blockings on SQL Server 2008-R2 databaseNever ending Query Store search
I recently updated our 2016 SQL Server to SP2 and the most recent CU (KB4458621) released in August 2018. Just in the last day or so, I noticed that I have some blocking going on. I can't kill the SPID b/c it isn't a user process. According to SP_WHO2, the command is "Query Store ASYN". I've tried purging the data and disabling the query store via Script and through the UI. Nothing seems to work and it just spins and then starts to cause more blocking. Is anyone else having this issue? Can anyone please help me figure out how to disable the query store successfully? SP_WhoIsActive @show_System_SPIDS = 1 results below (query store results only)
UPDATE - This is now caused TempDB drive to fill up. Going to try a reboot in a few hours and see if that resolves the issue. Will keep you posted.
Thanks,
Nate
sql-server sql-server-2016 blocking query-store
asked Sep 14 '18 at 13:41
NateNate
362
|
show 8 more comments
I recently updated our 2016 SQL Server to SP2 and the most recent CU (KB4458621) released in August 2018. Just in the last day or so, I noticed that I have some blocking going on. I can't kill the SPID b/c it isn't a user process. According to SP_WHO2, the command is "Query Store ASYN". I've tried purging the data and disabling the query store via Script and through the UI. Nothing seems to work and it just spins and then starts to cause more blocking. Is anyone else having this issue? Can anyone please help me figure out how to disable the query store successfully? SP_WhoIsActive @show_System_SPIDS = 1 results below (query store results only)
UPDATE - This is now caused TempDB drive to fill up. Going to try a reboot in a few hours and see if that resolves the issue. Will keep you posted.
Thanks,
Nate
sql-server sql-server-2016 blocking query-store
asked Sep 14 '18 at 13:41
NateNate
362
You are running SET QUERY_STORE = OFF but it is turned on again? I would trace and see if some other process is doing that.
– Jacob H
Sep 14 '18 at 13:48
I would think that statement would be immediate. However, it just spins while executing it and then starts to cause more blocking. So I end up canceling the query.
– Nate
Sep 14 '18 at 13:58
Any offline index rebuild in progress ? Also, find the lead blocker and try to kill it. We need more details - install sp_whoisactive.
– Kin
Sep 14 '18 at 14:16
There are no index rebuilds going on at the moment. I have SP_WhoIsActive installed, but that doesn't show these process SPIDS. Both the blocking SPID and the blocked SPID are Query Store commands.
– Nate
Sep 14 '18 at 14:24
1
run with @show_system_spids = 1.
– Kin
Sep 14 '18 at 14:31
|
show 8 more comments
I recently updated our 2016 SQL Server to SP2 and the most recent CU (KB4458621) released in August 2018. Just in the last day or so, I noticed that I have some blocking going on. I can't kill the SPID b/c it isn't a user process. According to SP_WHO2, the command is "Query Store ASYN". I've tried purging the data and disabling the query store via Script and through the UI. Nothing seems to work and it just spins and then starts to cause more blocking. Is anyone else having this issue? Can anyone please help me figure out how to disable the query store successfully? SP_WhoIsActive @show_System_SPIDS = 1 results below (query store results only)
UPDATE - This is now caused TempDB drive to fill up. Going to try a reboot in a few hours and see if that resolves the issue. Will keep you posted.
Thanks,
Nate
sql-server sql-server-2016 blocking query-store
asked Sep 14 '18 at 13:41
NateNate
362
I recently updated our 2016 SQL Server to SP2 and the most recent CU (KB4458621) released in August 2018. Just in the last day or so, I noticed that I have some blocking going on. I can't kill the SPID b/c it isn't a user process. According to SP_WHO2, the command is "Query Store ASYN". I've tried purging the data and disabling the query store via Script and through the UI. Nothing seems to work and it just spins and then starts to cause more blocking. Is anyone else having this issue? Can anyone please help me figure out how to disable the query store successfully? SP_WhoIsActive @show_System_SPIDS = 1 results below (query store results only)
UPDATE - This is now caused TempDB drive to fill up. Going to try a reboot in a few hours and see if that resolves the issue. Will keep you posted.
Thanks,
Nate
sql-server sql-server-2016 blocking query-store
sql-server sql-server-2016 blocking query-store
asked Sep 14 '18 at 13:41
NateNate
362
asked Sep 14 '18 at 13:41
NateNate
362
edited Sep 14 '18 at 18:59
Nate
asked Sep 14 '18 at 13:41
NateNate
362
asked Sep 14 '18 at 13:41
NateNate
362
asked Sep 14 '18 at 13:41
NateNate
362
362
You are running SET QUERY_STORE = OFF but it is turned on again? I would trace and see if some other process is doing that.
– Jacob H
Sep 14 '18 at 13:48
I would think that statement would be immediate. However, it just spins while executing it and then starts to cause more blocking. So I end up canceling the query.
– Nate
Sep 14 '18 at 13:58
Any offline index rebuild in progress ? Also, find the lead blocker and try to kill it. We need more details - install sp_whoisactive.
– Kin
Sep 14 '18 at 14:16
There are no index rebuilds going on at the moment. I have SP_WhoIsActive installed, but that doesn't show these process SPIDS. Both the blocking SPID and the blocked SPID are Query Store commands.
– Nate
Sep 14 '18 at 14:24
1
run with @show_system_spids = 1.
– Kin
Sep 14 '18 at 14:31
|
show 8 more comments
You are running SET QUERY_STORE = OFF but it is turned on again? I would trace and see if some other process is doing that.
– Jacob H
Sep 14 '18 at 13:48
I would think that statement would be immediate. However, it just spins while executing it and then starts to cause more blocking. So I end up canceling the query.
– Nate
Sep 14 '18 at 13:58
Any offline index rebuild in progress ? Also, find the lead blocker and try to kill it. We need more details - install sp_whoisactive.
– Kin
Sep 14 '18 at 14:16
There are no index rebuilds going on at the moment. I have SP_WhoIsActive installed, but that doesn't show these process SPIDS. Both the blocking SPID and the blocked SPID are Query Store commands.
– Nate
Sep 14 '18 at 14:24
1
run with @show_system_spids = 1.
– Kin
Sep 14 '18 at 14:31
You are running SET QUERY_STORE = OFF but it is turned on again? I would trace and see if some other process is doing that.
– Jacob H
Sep 14 '18 at 13:48
You are running SET QUERY_STORE = OFF but it is turned on again? I would trace and see if some other process is doing that.
– Jacob H
Sep 14 '18 at 13:48
I would think that statement would be immediate. However, it just spins while executing it and then starts to cause more blocking. So I end up canceling the query.
– Nate
Sep 14 '18 at 13:58
I would think that statement would be immediate. However, it just spins while executing it and then starts to cause more blocking. So I end up canceling the query.
– Nate
Sep 14 '18 at 13:58
Any offline index rebuild in progress ? Also, find the lead blocker and try to kill it. We need more details - install sp_whoisactive.
– Kin
Sep 14 '18 at 14:16
Any offline index rebuild in progress ? Also, find the lead blocker and try to kill it. We need more details - install sp_whoisactive.
– Kin
Sep 14 '18 at 14:16
There are no index rebuilds going on at the moment. I have SP_WhoIsActive installed, but that doesn't show these process SPIDS. Both the blocking SPID and the blocked SPID are Query Store commands.
– Nate
Sep 14 '18 at 14:24
There are no index rebuilds going on at the moment. I have SP_WhoIsActive installed, but that doesn't show these process SPIDS. Both the blocking SPID and the blocked SPID are Query Store commands.
– Nate
Sep 14 '18 at 14:24
1
1
run with @show_system_spids = 1.
– Kin
Sep 14 '18 at 14:31
run with @show_system_spids = 1.
– Kin
Sep 14 '18 at 14:31
|
show 8 more comments
1 Answer
1
active
oldest
votes
Based on your explanation, I believe this is related to KB4461562, and was resolved in the latest Cumulative Update 5.
FIX: Transactions and log truncation may be blocked when you use Query Store in SQL Server 2016 and 2017
answered 4 hours ago
Randolph WestRandolph West
2,640215
add a comment |
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1 Answer
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1 Answer
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oldest
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Based on your explanation, I believe this is related to KB4461562, and was resolved in the latest Cumulative Update 5.
FIX: Transactions and log truncation may be blocked when you use Query Store in SQL Server 2016 and 2017
answered 4 hours ago
Randolph WestRandolph West
2,640215
add a comment |
Based on your explanation, I believe this is related to KB4461562, and was resolved in the latest Cumulative Update 5.
FIX: Transactions and log truncation may be blocked when you use Query Store in SQL Server 2016 and 2017
answered 4 hours ago
Randolph WestRandolph West
2,640215
add a comment |
Based on your explanation, I believe this is related to KB4461562, and was resolved in the latest Cumulative Update 5.
FIX: Transactions and log truncation may be blocked when you use Query Store in SQL Server 2016 and 2017
answered 4 hours ago
Randolph WestRandolph West
2,640215
Based on your explanation, I believe this is related to KB4461562, and was resolved in the latest Cumulative Update 5.
FIX: Transactions and log truncation may be blocked when you use Query Store in SQL Server 2016 and 2017
answered 4 hours ago
Randolph WestRandolph West
2,640215
answered 4 hours ago
Randolph WestRandolph West
2,640215
answered 4 hours ago
Randolph WestRandolph West
2,640215
answered 4 hours ago
Randolph WestRandolph West
2,640215
2,640215
add a comment |
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You are running SET QUERY_STORE = OFF but it is turned on again? I would trace and see if some other process is doing that.
– Jacob H
Sep 14 '18 at 13:48
I would think that statement would be immediate. However, it just spins while executing it and then starts to cause more blocking. So I end up canceling the query.
– Nate
Sep 14 '18 at 13:58
Any offline index rebuild in progress ? Also, find the lead blocker and try to kill it. We need more details - install sp_whoisactive.
– Kin
Sep 14 '18 at 14:16
There are no index rebuilds going on at the moment. I have SP_WhoIsActive installed, but that doesn't show these process SPIDS. Both the blocking SPID and the blocked SPID are Query Store commands.
– Nate
Sep 14 '18 at 14:24
1
run with @show_system_spids = 1.
– Kin
Sep 14 '18 at 14:31