Viewing 15 posts - 10,141 through 10,155 (of 22,224 total)
SQL Server doesn't store the previous executions of queries. You can look at the aggregation of queries currently in cache using sys.dm_exec_query_stats, but it doesn't have execution context (who ran...
"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
January 25, 2013 at 5:40 am
I agree. It sounds like parameter sniffing is leading to issues. I would suggest updating the statistics on the tables being referenced. In addition to the solutions for parameter sniffing,...
"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
January 25, 2013 at 5:36 am
There are probably lots of other issues in and around this, but the repeated pattern that looks like this:
where coalesce(p.ImageSequenceId,0)
is absolutely killing performance. Every single one of those 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
January 25, 2013 at 5:23 am
padhu.mukku (1/24/2013)
Try 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
January 25, 2013 at 5:17 am
Oh, that's right Kevin. I completely forget that you get four mirrors of the active server. That one is big too. Nice catch.
I'm just a little surprised that this information...
"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
January 24, 2013 at 8:56 am
There are several reasons why Availability Groups might be preferred to a Cluster. First, and most importantly, you're not sharing any resources at all. In a cluster if the disk...
"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
January 24, 2013 at 8:25 am
Nah, I'd say you're digging a bit of a hole. Instead how about something like
Recurrence ... whatever columns are unique to the recurrence
RecurrenceSchedule ... just a listing of each of...
"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
January 24, 2013 at 8:14 am
MasterDB (1/24/2013)
If the fragmentation is more than 35% --Rebuild all the indices.
Ask the users about any change of code..? If so, Check...
"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
January 24, 2013 at 8:09 am
runal_jagtap (1/24/2013)
Hmm i have never done Update statistics on Database yet..
Please correct my belwo plan..
Sunday no one wotks on the Database
will perfom the below activity..
1) Full Backup - Using...
"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
January 24, 2013 at 8:02 am
You're really going to need to evaluate each of the tools to see which will do what you need for the money you're willing to pay. 10 instances is 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
January 24, 2013 at 7:22 am
Not a detail I had noticed before. But yes, the shells are there. I recreated Gail's tests.
"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
January 24, 2013 at 4:49 am
SQLSACT (1/23/2013)
Grant Fritchey (1/23/2013)
"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
January 23, 2013 at 11:52 am
Can't see the plan. I'm getting encoding errors. If you save the plan as a .sqlplan file, you can attach it. Then it can be downloaded.
Just on what I can...
"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
January 23, 2013 at 7:03 am
So, instead of 5-10 machines you'll have 5-10 instances? While that makes migration of connection strings pretty straight forward, you might have performance maintenance worries. Instead of a single instance...
"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
January 23, 2013 at 5:43 am
Have you checked the execution plan to see what is being referenced from the query? It might not be using the view at all. Or, it's possible that, despite 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
January 23, 2013 at 5:40 am
Viewing 15 posts - 10,141 through 10,155 (of 22,224 total)