Viewing 15 posts - 19,381 through 19,395 (of 49,552 total)
Post the deadlock graph please.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 4:16 pm
I'm not talking about a performance improvement from the use of the RANK. Have you seen and verified a performance improvement solely from changing the column in the index from...
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 2:26 pm
Lynn Pettis (4/3/2012)
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 2:14 pm
D-SQL (4/3/2012)
We are changing a few thinks to use RANK and it's going to help our performance by 3 times.
Are you sure about that? Have you tested and seen a...
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 2:05 pm
D-SQL (4/3/2012)
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 1:26 pm
Can you explain in more detail what you're trying to do? Columns by themselves don't have an ascending or descending property.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 12:45 pm
As Lynn said:
If you lost the mdf/ndf file(s) but still had access to the ldf (t-log) file, you could complete a tail log backup and recover the data up to...
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 12:27 pm
Lynn Pettis (4/3/2012)
Some people really shouldn't be allowed near SQL Server systems.
Wasn't me. Haven't been near a real server all day.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 12:22 pm
Evil Kraig F (4/3/2012)
mathew.walters (4/3/2012)
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 11:32 am
You're unlikely to get much more optimal than a seek on the clustered index.
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 10:48 am
Well the deadlock is a result of the serialisable isolation level. The select takes locks on a lot of rows, two or more of those can run concurrently that's not...
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 10:44 am
Can you post all the statements from when the transaction starts to when it commits?
Is there any particular reason you're running in serialisable isolation level?
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 10:13 am
What runs before those updates in the transaction?
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 9:11 am
There are tools that claim to be able to defrag files while open. Some even can do what they claim. However if you use one and it's not written to...
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 9:05 am
gupta.rohit (4/3/2012)
GilaMonster (4/3/2012)
I recommend restoring from backup, I highly doubt that is repairable seeing as the error is on...
Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability
April 3, 2012 at 8:59 am
Viewing 15 posts - 19,381 through 19,395 (of 49,552 total)