TempDB is part of MS SQL Server. It's a system database that functions as a storage area for temporary tables, internal objects and row versions.

learn more… | top users | synonyms

26
votes
2answers
60k views

How to identify which query is filling up the tempdb transaction log?

I would like to know how to identify the exact query or stored proc which is actually filling up the transactional log of TEMPDB database.
5
votes
1answer
2k views

Find transactions that are filling up the version store

we have enabled the "READ_COMMITTED_SNAPSHOT" for some of our SQL Server 2005 databases. Now from time to time we see that our TempDB is filling up the harddisk and we suspect the version store to be ...
17
votes
2answers
28k views

How to find the SQL statements that caused tempdb growth?

The tempdb of a server (SQL Server 2008) increases to 500GB+ several times every month. Is it possible to find out which SQL statements caused this problem? The problem is usually not caused by create ...
5
votes
2answers
5k views

Find which session is holding which temporary table

We have a SQL Server 2005 database the temp database has become full. By going into SQL Server Management Studio I can see all the temporary tables in the tempdb. Is it possible to tell which session ...
5
votes
2answers
5k views

Splitting TempDB into multiples files equal to number of CPUs

The article SQL Server tempdb Best Practices Increase Performance suggests that I should split tempdb into a number of files equal to the number of cores. So for 4 cores you get 4 files. By ...
6
votes
1answer
130 views

Does RCSI use less or same space than SNAPSHOT? Why?

Trying to better understand row-versioning based transaction isolations - RCSI (Read Committed Snapshot Isolation and SNAPSHOT) - in SQL Server... MSDN online article "Choosing Row Versioning-based ...
4
votes
1answer
91 views

IO request time and less write latency

I am facing issues related to constantly growing log file due to which I am getting error. When I checked SQL Log I found below messages (error log is filled of these messages almost 90%) SQL ...
9
votes
1answer
4k views

SQL Server TempDB behaviour in large memory environment

Reading over In-memory SQL Server log file reminded me of a question I had a short while ago. We have a SQL Server that has 512GB of RAM, the main database is (only) 450GB. We see quite a lot of ...
6
votes
2answers
2k views

TempDB Version Store cleanup

From what I can find the version store will only clean up versions that are older than the oldest active transaction. Question: Is the oldest transaction database specific or will SQL Server keep all ...
2
votes
2answers
2k views

Tempdb autogrowth settings

Following on from a recent question that I asked on Tempdb. I was wondering how to correctly set the autogrowth property when adding and moving the tempdb files? I ask because I would like to let SQL ...
6
votes
2answers
7k views

SQL Server 2008 R2 SP1 - Tempdb “Available free space” showing negative value

Please help as this issue is driving me nuts... Tempdb has four data files & one log file. They are all located on the same dedicated drive. When I right click on tempdb in SQL Server Management ...
4
votes
1answer
91 views

Tempdb change settings and recommendation

In my production database I have below configuration in TempDb and needless to say I am facing a lot of IO issues on the drive . So, as per recommendation I am planning to change it Change #1 ...
4
votes
1answer
170 views

Splitting SQL Server tempdb to use a second drive when first drive is full

My SQL Server instance has a small 32 GB SSD which is mostly unusedw while the remaining drives are SAN storage. I considered moving my tempdb to the SSD but my fear is the odd occasion when the ...
3
votes
3answers
4k views

What are the most effective techniques to reduce SQL Server disk space use when updating all rows in a very large table?

Given a SQL Server table with a large number of rows no columns with large-value data types multiple indexes more allocated space than available for the largest possible transaction log size a ...
1
vote
0answers
28 views

Moved tempdb, now File 'tempdev2' does not exist

I moved the tempdb first locating the files: use master select name, physical_name from sys.master_files where database_id = DB_ID('tempdb'); GO then I moved each file: use master go alter ...
-3
votes
2answers
1k views

How to improve TempDb on RAMDisk showing performance on par with physical hard drive [closed]

Given 2 SQL Server Instances where the second instance is configured with a RAMDisk for tempdb and the following test case. -- Create source data select top(1000000) * /* ~10 cols */ into #t1 from ...