Viewing 15 posts - 1,291 through 1,305 (of 22,219 total)
Tell them.
Don't beat around the bush. Don't try to cover up. Just say it. "I messed up. I took the server down. Here's what I did by accident. I'm going...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
July 6, 2021 at 11:02 am
The only sure fire way to get this done with a high degree of accuracy would be to use Extended Events. You could capture batch executions and filter for the...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
July 6, 2021 at 10:59 am
Ads always ask for more than the job. I don't know that I've seen one that was accurate since I stopped tending bar.
If you think you have to...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
July 1, 2021 at 11:24 am
Backups are basically all or nothing (although, if you structure your system and have lots of read only data, you can use partial backups and a partial restore). Backups...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 29, 2021 at 10:57 am
I don't know of anyone that breaks apart queries into their component parts for troubleshooting. I'd look to two things to help with this. Instead of capturing batches using Extended...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 29, 2021 at 10:54 am
The DMVs are completely dependent on the cache. That's where the information comes from. So, anything that affects the cache, will affect the data in the DMVs. For example, DBCC...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 29, 2021 at 10:49 am
Not seeing your structure, it's hard to know what the issue might be. I'd break it down. Take the query down to it's component parts & rebuild them, one step...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 28, 2021 at 12:28 pm
Microsoft has a bunch of monitoring built in to the Azure portal. It's not the easiest to use, and seeing all your instances at once is a real pain. However,...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 28, 2021 at 12:25 pm
There is no precise guidance. A table could be as little as one column or as many as the max, 1024. However, in general, you'll probably see no more than...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 28, 2021 at 12:19 pm
I missed the link in my last post. Here it is.
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 24, 2021 at 12:16 pm
So, go to this Microsoft web page. Scroll down to the section titled "RDBMS scalability and performance". Look at stuff like, row mode memory grant feedback and others. A...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 23, 2021 at 10:39 am
We are trying to help.
You said the rows were different. Do you mean the row estimates are different? That's different and could be an indication of the difference between enterprise...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 22, 2021 at 5:47 pm
So, "server name could not be resolved" could be that you simply have the connection string wrong. However, more often is the fact that the IP address that the service...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 22, 2021 at 2:21 pm
I do understand I am not posting the plans making this cumbersome for all.
Yes.
Does this mean it needs only 3200 rows but is ending up reading 1700000 rows to...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 22, 2021 at 12:35 pm
We need to see the index definitions as well. It seems to me that the index definitions would need to be different to produce plans and stats that drastically...
"The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood"
- Theodore Roosevelt
Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning
June 21, 2021 at 3:18 pm
Viewing 15 posts - 1,291 through 1,305 (of 22,219 total)