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Larg TempDB Log File

My SQL Server Tempdb log file looks to be very larg now...its taking up lot disk space...

How is that I can control the size of tempdb log files...?? What should i do save some disk space...!!!

Please help

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Tempdb Log File
Hello all I am new here so I am sorry if this question has been asked 1,000,000 times.

First let me describe my environment:

VM-Ware ESX 3.01
3.0Ghz (Dedicated to VM)
3.0 GB RAM (Dedicated to VM)
Windows Server 2003 SP2
SQL Server 2005 SP2
Spotlight for SQL Server
Quest SQL Watch

Now the issue:

We are in current development of a new manufacturing system so the above system is just a development box at this stage. The problem that I am having is that the tempdb log file seems to grow out of control, and if I do not have time to shrink it, I have to bounce the mssql service in order to do anything once the disk is completly full. At one point I even made a job to shrink the log file every 15 minutes to try and prevent the uncontrolled growth.

I have researched this everywhere and it really is starting to get frustrating. I am highly leaning towards the application that is utilizing the database is heavily dependant on #temp tables. So I found this query to return me the top colums being used in the tempdb.


FROM tempdb..sysindexes



And I get the table that is using up the most rows.


FROM tempdb..sysindexes


After doing this I figured out that there is something that is writing to the tempdb around every 15 seconds about 100000+ rows at a time. And the alarming thing about it is that the record "rowmodctr" is already over 1 billion. So that leads me to beleive that this has†modified rows over 1 billion times since I last rebooted the server a week ago.

So the main question that I have is. Is there a way to query what is inside that '#4440A7FE' table, so that I can pin it down to a session?

Also I have already said to the development team to use "derived tables" instead of temp tables, but they just fight with me all the†time and blame the problem on hardware and configuration.

Please please help me with this as it getting really frustrating I am so sick of shriking that file. And sometimes it grows more that 3GB in less than 15 minutes.

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Hello when I start executing a transact SQL process, my tempdb file is about 5Mb and It's log file is 1Mb, when the process finishes the log file never gets cleaned again... so It uses a lot of hard disk space and I can't run the process again...

Pd. the process has a "begin tran" and a "commit" at the end...

Could you tell me what to do ???

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So i come to an conclusion that auto checkpoints are not happening even though the tempdb is in SIMPLE recovery model.

I search in KB and could find the article related to this error.†

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application log shows:
Error: 9002, Severity: 17, State: 2
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templog.ldf 19.6 mb

these files are located on D: drive and D drive has 52gb free space

databasename : tempdb
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anyone to fix this?

i used "backup log tempdb with truncate_only" But i dont know if it truncated the log file?
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I really needed to move the tempdb file to another hard drive, so I used this bit of code.

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Now sql server manager won't even start. The log files says

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I'm currently running the command below and getting this error message. I am getting it every few seconds for a couple hours now. Seems to have started when I started this SPROC below. I'm just over 2 hours into running.

Not sure what this means yet, any help is much appreciated. Desperately trying to resolve this urgent matter!

thanks once again!

"Autogrow of file 'templog' in database 'tempdb' was cancelled by user or timed out after 2813 milliseconds. Use ALTER DATABASE to set a smaller FILEGROWTH value for this file or to explicitly set a new file size."

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Being new to SQL server I would like some information regarding the tempdb database.

I user SQL Server 2000.

At present I appear to be backing up my tempdb but it has been failing since way back. It gives me this error when trying to bakup the database:

Executed as user: NT AUTHORITYSYSTEM. Backup and restore operations are not allowed on database tempdb. [SQLSTATE 42000] (Error 3147) BACKUP DATABASE is terminating abnormally. [SQLSTATE 42000] (Error 3013). The step failed.

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Thanks in advance


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We are using Peoplesoft HRMS version 7.0 on NT Server 4.0 and SQL Server 6.5, service packs on both up-to-date.

The server is a HP LX Pro with 4 200 MHz 1MB cache processors with 2,560 MB of RAM and 18 9GB drives configured with different combinations of RAID 1, 1+0, and 5.

The database is 2.3GB in actual size with the specific size of 6GB for data and 2GB for log on separate RAIDs.

We would like to use tempdb in RAM to boost the speed of complex queries that use the tempdb for intermediate working tables.

We would like to know of any experience of running tempdb in RAM, issues to overcome, of how to setup.

There are articles and books not recommending using tempdb in RAM. Comments anyone?

Note: Have looked in SQL Server DBA Survival Guide, and SQL Server Unleashed, along with the normal MS Documentation, technet, online books, and knowledge base searches.

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When should I put tempdb in RAM and when should I not ?

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System: Pentium II - Dual 450. 13 GIG RAID. 128 MB RAM.

Everything I've ever heard or seen says not to put tempDB in RAM, citing reasons of negligible benefit or even worse performance as it steals memory from SQL's cache memory.

My issue is I need to take anywhere from 500 to 3000 records (games played) in a batch every five minutes from a table, ordered by game id. There's no guarantee of sequential order to how the records are inserted, so I need to do an ORDER BY in my query. I also do a stored procedure for ranking that requires an ORDER BY.

The performance difference between the two is staggering. 1000 records with a 200 mb tempdb database (not in RAM) takes about 300 seconds. With a 16 MB tempdb database IN ram, it takes just under 127 seconds. Only problem? I'm constantly getting, after a few batches have run, "out of space in syslogs for tempdb ram messages. "

Is there a way to net such performance from tempdb without putting it in RAM, and if not, is there a way to explicity clear out tempdb. Thanks for any help.

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I moved my tempdb (2MB) to RAM and restarted the server. It did restart but when I tried to connect thru ISQL, it gave me an ERROR -

A connection could not be established to <server-name> - DB-Library. Unable to Connect.

What could be the possible reason.

To move tempdb to RAM, do i just have to change the values of the MEMORY and TEMPDB IN RAM parms and restart or do I have to do anything else.

Please help.


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Tempdb In Ram Not &#34;going Away&#34;
I am trying to configure a 6.5 server to set the tempdb to run off disk. I reset the tempdb in ram = 0 in the configuration, and restarted the service, but it left it as running in ram, with 0 configured. I then rebooted the server, and it still left the tempdb in ram. Any ideas?

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Hi! How can I change the default physical location of the tempdb.
In the setup , you will only be prompted the directory for the software
and the directory for the data.

In sq6.5, you can move the tempdb out of the master device by putting it to
ram and changing the default device. But in sql7.0 it is separated from
the master but the physical device is located the same as the other data files.

Appreciate any inputs..

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I read an article on this site by Michael Hotek re "Basic SQL Server 6.5 Configuration Options". In the paragraph about TempDB he says that you should always avoid using Temp tables in stored procs. I use this feature a lot when trying to do "not in" type queries (I filter out a portion of a larger table and then use the "not in" on the temp table rather than the entire table.)
Is there a better way to run a Not in query. I have the table well indexed (i think) but it seems to do a full table scan if I use the entire table.

Any ideas???

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I get a message:

Error : 933, Severity: 22, State: 1
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I use sqlserver -T4022 to start my SQL Server since it will not start with out it. When I start sqlserver without the option, it tells me that

Error : 615, Severity: 21, State: 1
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I just want my SQL Server back. Please help!

Betty Lee

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Hello All~

I have a problem with Tempdb database on SQL 6.5 server.....when i create a temporary table,
i block other users in other databases. Actually i run a stored procedure which creates a temporary table and then the procedure insets some values of a table from my test database. When the spored procedure is executed, users in other databases also get blocked and no new user will be allowd to log on to the server. When i check as to what the other users are executing, i find that they are also creting or droping a temp table.
So i will have to either kill my SP or let it finish and continue blocking other users.

As of now, i am not able to find a reason for that and i try to run the Stored procedure in offpeak hrs.

I have not played around much with Temp tables in SQL 6.5. Pl do suggest me as to what to do....

Some details you would be interested on :

Server - SQL Server 6.5
Front End - Great Plains
Size of Tempdb - Data Space Available( It says shared with data)
database_name database_size unallocated space
------------------------------ ------------------ ------------------
tempdb 1502.00 MB -6301.82 MB

reserved data index_size unused
------------------ ------------------ ------------------ ------------------
7991108 KB 7996222 KB 72 KB -5186 KB

Hope this information helps.

Thanks in Advance...


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Another Tempdb ?
I have a dumb ?
When I go in to expand the tempdb to at least 25mb req. for the migration
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What am I doing wrong?

Thanx for your time
Rick C

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I thought I could detach it, and attach a new file, but makes me nervous without knowing if thatís correct.

Thanks for the help

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Hi All,

I am trying to get some information about tempdb database. I've tried BOL but I couldn't find a whole lot of info. I am trying to find out what size should tempdb be to not to cause problems. Also, I am trying to shrink tempdb by using shrink database option in EM, but it only shrinks the tempdb transaction log not the datafile, and I don't know why it is happening.


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I need to move tempdb to another drive,also increase the size.Largest database is 15GB.Can anyone suggest the size and also the exact commands to move.Do I need to backup the databases before I do this task?If SP1 is not installed,will it be o.k for me for this tempdb problem.If we have a larger tempdb like 4GB,will it effect anything?...Urgent!!

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TEMPDB in one of our production servers does not clear up so every three to four weeks I have to restart NT. Nothing like this happens on any of the other three servers. Does anybody know where I should look at to correct the problem. I sure would appreciate it.

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My company uses a CRM application on SQL Server. We recently performed some upgrades of the CRM application that required us to move from SQL 6.5 to SQL 7.0. In our stored procedures we make extensive use of temporary tables. Our performance has slowed a lot since the upgrade. When we used SQL 6.5 we placed the TEMPDB in RAM to increase performance. According to Microsoft, this option is no longer available because of SQL's self-tuning ability. It would seem obvious that having the TEMPDB on disk is going to be much slower than having it in memory. I was wondering if anyone else is in the same boat, and what you did to speed up SQL Server?

Thanks for any help or suggestions,


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The tempdb has grown to over 2 GB on our DB. There are no user tables or SP in it. Is there a way to clean up and are there any consequences to this?

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Hi why I cannot backup the tempdb. Is this a normal or there is something that I am doing wrong.


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We want to shrink the size of our TEMPDB , Does anyone know how to without blowing it away and re creating it.

Also, our tempdb expands to occupy all available space on the server, the space is not released until the server is restarted.

Any ideas would be appreciated.

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I have never done this before and thought I would ask. Is it possible to detach the tempdb database, move it to another drive or partition, and then re-attach it? What would be the downside or side-affects to doing such a thing?

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THis is sql server 6.5 question.
I have tempdb data device size default 2 MB, which has completely filled up. I am trying to expand data device to it.
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It's extremely urgent.


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How can I control the growth of tempdb in SQl server.It's growing like anything.
CAn I create some alerts or jobs and what those alerts/job are supposed to do?
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This is error message I discovered in NT even viewer:
c:MSSQL7DATATEMPDB.MDF: Operating system error 112(There is not enough space on the disk.) encountered.

In SQL Server error log the errors are:
Error: 1101, Severity: 17, State: 10

Could not allocate new page for database 'TEMPDB'. There are no more pages available in filegroup DEFAULT. Space can be created by dropping objects, adding additional files, or allowing file growth..

Currently tempdb rezides on C drive and it's almost out of space.
What should I do?
Detach tempdb and then move to different drive?
What's the procedure?



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is it ok to move the this from the c drive to another drive?

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Hi All
if temdb grows and use all the disk space and then after log backup or other clean up process its size got reduced but it is still holding the space it was grown upto. In this case what would be ideal to do restart server/services or is it possible to reduce the space alocated to tempdb through properties.

any help will be appreciated.


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So i've been delegated to be a SQL Server DBA now (which I am perfectly content with), but im running into some issues and I am not sure how to proceed.

To make a long story short:

-installed a new server with SQL Server 2005 SP1. Has two databases on it.
-(2) arrays: 1st array is RAID 1 with some of the database and t-logs on it (I know..working to fix): 2nd array I just moved the tempdb.mdf file and tempdb.ldf files over this morning.

I was getting horrible I/O performance (to be expected) which prompted me to put in some more drives and move the tempdb files. This helped a bit, but now I am noticing some very funky things.

Over the last hour, i have seen my tempdb.mdf file grow from 10mb to almost 90gigs. I've been watching the performance on this machine, and the array with the tempdb is really seeing a lot of writes to it.

I am very very new to SQL server. Does anyone have some suggestions on profiiling and tracing I can do to see what is going on? Something in the Query analyzer?

I really appreciate it very much. This is new territory for me.


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For a variety of reasons, the C drive on our Production Server is low on disk space. When we ordered the server it came installed with SQL Server 2005 and they defaulted the System databases to the C drive. All our client dbs are on the F drive. The tempdb database gets fairly large every day and consumes a large portion of what is left of the C drive. Every evening, after work hours, I have to stop SQL Server, delete the tempdb.mdf and ldf files and restart. Is there a way to move the default location of the tempdb files to the F drive? I do not want to repartition the hard drive or uninstall and reinstall SQL Server.

Thanks in advance,


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Hi Experts,

Whats is the best Disk raid for TempDB? Will the performance of the database will go slow if I move it to a slower disk like RAID 5 with 5000 RPM?

Thanks in Advance

Don't sit back because of failure. It will come back to check if you still available. -- Binu

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Is TempDB Used?
Hello, hopefully this is not a redundant question...

Our software uses a SQL database of it's own, and a scanner will run to collect file information on folders specified.† This will get posted to the SQL DB using ODBC calls to insert into the database.†

My question is if at any time (probablly more in general), does any inforation get posted to the TempDB before it makes it to the actual database.† If not, what is the TempDB used for?

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Hi all,

Is 'TempDB in RAM' still available in 2005?


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If your tempdb is on a drive that crashes, is it possible to recover by moving/re-creating the tempdb on another drive?

This would be SQL2000

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