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How to find solution when 200 user access site and call a store at the same time made SQL Server Azure die
SQL Server query to find all permissions/access for all users in a databaseNew Azure SQL Database Services, how scalable and what are DTUsAzure SQL server max pool size was reached errorAzure SQL - DTU CPU usage disparitySQL Azure DTUs at 100% troubleshootIndex rebuild freezes database even with online=onHow can I find out why azure SQL Database is restarting/resetting periodically?Azure DTUs for a medium size applicationUmbraco admin panel slowdown with azure basic database plan and website performs too slow“Login failed for user ''.” SqlException when accessing Azure SQL DB via MSI with a EF code-first implementation
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I have a store to get a list of something in system. To get information by business requirement, this store selects data from 20 tables in a database and makes some complex calculations.
I tuned this store, it run very fast about 0.4s for a user, max output result is 160 thousand records. But when test with more than 200 user access at the same time made database down, it spend 80%-100% resource of database.
My database is SQL Azure using max allowed resourced from Microsoft (24 vcore, 3k DTU, database size IS around 30G).
If anyone is an expert in this areas, please suggest a solution to solve these issues, my system is a web app allowing users around the world access. My team also is tuning from app as using catching, sharing between app and database.
sql-server azure-sql-database
add a comment |
I have a store to get a list of something in system. To get information by business requirement, this store selects data from 20 tables in a database and makes some complex calculations.
I tuned this store, it run very fast about 0.4s for a user, max output result is 160 thousand records. But when test with more than 200 user access at the same time made database down, it spend 80%-100% resource of database.
My database is SQL Azure using max allowed resourced from Microsoft (24 vcore, 3k DTU, database size IS around 30G).
If anyone is an expert in this areas, please suggest a solution to solve these issues, my system is a web app allowing users around the world access. My team also is tuning from app as using catching, sharing between app and database.
sql-server azure-sql-database
1
How do you expect advice without providing DDL, sample data, and the stored procedure code?
– SQLRaptor
Mar 23 at 16:25
The execution plan might help too. Assuming the query is purely CPU bound and it takes .4s to run a single query, you won't be able to run more than 9.6 per second with 24 vcores and less if it's a parallel query. Caching is likely at least part of the solution.
– Dan Guzman
Mar 23 at 22:29
Hi, if my answer helps you, could you please accept it?Thanks and have a good day.
– Leon Yue
Mar 27 at 9:12
add a comment |
I have a store to get a list of something in system. To get information by business requirement, this store selects data from 20 tables in a database and makes some complex calculations.
I tuned this store, it run very fast about 0.4s for a user, max output result is 160 thousand records. But when test with more than 200 user access at the same time made database down, it spend 80%-100% resource of database.
My database is SQL Azure using max allowed resourced from Microsoft (24 vcore, 3k DTU, database size IS around 30G).
If anyone is an expert in this areas, please suggest a solution to solve these issues, my system is a web app allowing users around the world access. My team also is tuning from app as using catching, sharing between app and database.
sql-server azure-sql-database
I have a store to get a list of something in system. To get information by business requirement, this store selects data from 20 tables in a database and makes some complex calculations.
I tuned this store, it run very fast about 0.4s for a user, max output result is 160 thousand records. But when test with more than 200 user access at the same time made database down, it spend 80%-100% resource of database.
My database is SQL Azure using max allowed resourced from Microsoft (24 vcore, 3k DTU, database size IS around 30G).
If anyone is an expert in this areas, please suggest a solution to solve these issues, my system is a web app allowing users around the world access. My team also is tuning from app as using catching, sharing between app and database.
sql-server azure-sql-database
sql-server azure-sql-database
edited Mar 23 at 17:40
marc_s
589k13111281277
589k13111281277
asked Mar 23 at 16:10
thanh lethanh le
1
1
1
How do you expect advice without providing DDL, sample data, and the stored procedure code?
– SQLRaptor
Mar 23 at 16:25
The execution plan might help too. Assuming the query is purely CPU bound and it takes .4s to run a single query, you won't be able to run more than 9.6 per second with 24 vcores and less if it's a parallel query. Caching is likely at least part of the solution.
– Dan Guzman
Mar 23 at 22:29
Hi, if my answer helps you, could you please accept it?Thanks and have a good day.
– Leon Yue
Mar 27 at 9:12
add a comment |
1
How do you expect advice without providing DDL, sample data, and the stored procedure code?
– SQLRaptor
Mar 23 at 16:25
The execution plan might help too. Assuming the query is purely CPU bound and it takes .4s to run a single query, you won't be able to run more than 9.6 per second with 24 vcores and less if it's a parallel query. Caching is likely at least part of the solution.
– Dan Guzman
Mar 23 at 22:29
Hi, if my answer helps you, could you please accept it?Thanks and have a good day.
– Leon Yue
Mar 27 at 9:12
1
1
How do you expect advice without providing DDL, sample data, and the stored procedure code?
– SQLRaptor
Mar 23 at 16:25
How do you expect advice without providing DDL, sample data, and the stored procedure code?
– SQLRaptor
Mar 23 at 16:25
The execution plan might help too. Assuming the query is purely CPU bound and it takes .4s to run a single query, you won't be able to run more than 9.6 per second with 24 vcores and less if it's a parallel query. Caching is likely at least part of the solution.
– Dan Guzman
Mar 23 at 22:29
The execution plan might help too. Assuming the query is purely CPU bound and it takes .4s to run a single query, you won't be able to run more than 9.6 per second with 24 vcores and less if it's a parallel query. Caching is likely at least part of the solution.
– Dan Guzman
Mar 23 at 22:29
Hi, if my answer helps you, could you please accept it?Thanks and have a good day.
– Leon Yue
Mar 27 at 9:12
Hi, if my answer helps you, could you please accept it?Thanks and have a good day.
– Leon Yue
Mar 27 at 9:12
add a comment |
1 Answer
1
active
oldest
votes
I think you can use Intelligent Insights to troubleshoot Azure SQL Database performance issues.
Intelligent Insights automatically detects performance issues with SQL Database and Managed Instance databases based on query execution wait times, errors, or time-outs. It outputs detected performance patterns to the diagnostics log.
As you said,when test with more than 200 user access at the same time made database down, it spend 80%-100% resource of database. You can follow this tutorial , maybe can help you solve and optimize Azure SQL database performance issue.
Hope this helps.
add a comment |
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1 Answer
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1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
I think you can use Intelligent Insights to troubleshoot Azure SQL Database performance issues.
Intelligent Insights automatically detects performance issues with SQL Database and Managed Instance databases based on query execution wait times, errors, or time-outs. It outputs detected performance patterns to the diagnostics log.
As you said,when test with more than 200 user access at the same time made database down, it spend 80%-100% resource of database. You can follow this tutorial , maybe can help you solve and optimize Azure SQL database performance issue.
Hope this helps.
add a comment |
I think you can use Intelligent Insights to troubleshoot Azure SQL Database performance issues.
Intelligent Insights automatically detects performance issues with SQL Database and Managed Instance databases based on query execution wait times, errors, or time-outs. It outputs detected performance patterns to the diagnostics log.
As you said,when test with more than 200 user access at the same time made database down, it spend 80%-100% resource of database. You can follow this tutorial , maybe can help you solve and optimize Azure SQL database performance issue.
Hope this helps.
add a comment |
I think you can use Intelligent Insights to troubleshoot Azure SQL Database performance issues.
Intelligent Insights automatically detects performance issues with SQL Database and Managed Instance databases based on query execution wait times, errors, or time-outs. It outputs detected performance patterns to the diagnostics log.
As you said,when test with more than 200 user access at the same time made database down, it spend 80%-100% resource of database. You can follow this tutorial , maybe can help you solve and optimize Azure SQL database performance issue.
Hope this helps.
I think you can use Intelligent Insights to troubleshoot Azure SQL Database performance issues.
Intelligent Insights automatically detects performance issues with SQL Database and Managed Instance databases based on query execution wait times, errors, or time-outs. It outputs detected performance patterns to the diagnostics log.
As you said,when test with more than 200 user access at the same time made database down, it spend 80%-100% resource of database. You can follow this tutorial , maybe can help you solve and optimize Azure SQL database performance issue.
Hope this helps.
answered Mar 25 at 1:58
Leon YueLeon Yue
862114
862114
add a comment |
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How do you expect advice without providing DDL, sample data, and the stored procedure code?
– SQLRaptor
Mar 23 at 16:25
The execution plan might help too. Assuming the query is purely CPU bound and it takes .4s to run a single query, you won't be able to run more than 9.6 per second with 24 vcores and less if it's a parallel query. Caching is likely at least part of the solution.
– Dan Guzman
Mar 23 at 22:29
Hi, if my answer helps you, could you please accept it?Thanks and have a good day.
– Leon Yue
Mar 27 at 9:12