Transaction Log File Size Too Big
Jan 31, 2003
(Windows 2000 professional running SQL Server 2000)
How do you reduce the file size of the transaction log? Is it safe to delete the transaction log? I tried clicking on the ellipse (...) box in database properties, but even tho i'm the dba, it says i don't have permissions to do that! I see the "automatically grow transaction log" and "maximum file size for transaction log" dialogs, but our transaction log is already 5.5 GB, and we need for it to be WAY smaller! Is there a way to back it up, then start over with a new one or something?
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Apr 17, 2002
How the size of transaction file is calculated. are there any standards.
I created my database with 2000 mb data filesize and 200 log file size.
now my datafile size has reach to 11000 mb but log file size is still 200.
Therefore when I take the online backup my logsize totally consumed and I have to cancel my backup.
Please reply ASAP.
regards
Sanjeev Lamba
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Nov 29, 1999
I created a database and had its file size as automatic grow. Now the database file is of 17 MB and its transaction log file size is 230 MB. After checking transaction log file properties I came to that it is using 13 mb only and the rest of the 230 MB i.e 217 MB is free. I want that area in the transaction log to be freed and get the transaction file size to its actual size. Any help will be greatly appreciated.
Thank you in advance.
P.S: It is very urgent.
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Aug 21, 2006
Hi,
Database transaction log file has reached to 1 GB and (99% of this space is free). When try to reclaim the unused space, I have no luck. Initial size of the transaction log has now reaches 1GB. When trying to change the initial size to 5 MB, it does not work.
I have backup the transaction log with Truncate the transaction log but system is no releasing the space.
Please Guide.
Thanks
Shafiq
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Dec 10, 2001
hi, i'm a newbie in SQL Server and have recently setup a test SQL 7 server. I used all the defaults at the beginning, and now the MDB file is about 500MB and the LDF file is of similar size.
i'm still trying to figure out how to reduce the size of the transaction log file. Currently I only have full backup of the database once a week, and there is no backup for transaction log.
as of this moment, the transaction log is of not much use to me, but I really want to get it reduced as i'm running out of disk space.
and i'd also greatly appreciate if someone could suggest a good DBA practice on the proper setup/handling of transaction logs (how to balance the disk-space usage AND be able to use the transacton logs for proper roll-over during a recovery process).
i'd soon be setting up a SQL 7 server where about 10 active users are expected at any one time. I've read that the transaction log file should be about 40% to 50% of the estimated size of the database file, and should be allowed "auto-grow". So what happens if the more space is required by the transaction logs? Does a full-backup purge the transaction logs (like the way they do in Exchange Server)?
Thanks!
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Jul 19, 2002
Hi,
My transaction log file's physical size has exceeded 2GB. How can I reduce that?
Is there any way by which this file size can be controlled?
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Oct 3, 2006
At this time I am only playing with the applications that generate the data and send it to the database. Without doing too much, and with deleting most data tables that were created, my transaction log file has grown over a gigabyte. I tried using the SQL server management studio (express) to shrink the database (tried shrinking files, too) but that did not make the file smaller. Right now there is hardly any data in the database (6 tables, a dozen columns and rows each) so it must be old transactions that are kept in the log. How do I get rid of the old data and make the file size smaller? Thanks.
Kamen
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Apr 29, 2004
Hello, everyone:
I am not sure wether transaction log file size affect the database performance. My SQL 2K suddenly became slow yestoday. The data file is 3GB, and transaction log file is 11GB. Someone suggested I should shrink transaction log file. Can it work?
Thanks a lot.
ZYT
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May 21, 2007
I have a client with 150MB database, the transaction log file isnearly 23GB. It's a PITA for me to backup his data and restore it onmy server as it takes about 30 minutes to restore as it re-creates a23GB file with no transactions in it :-As well as the space taken up by it, does it do any harm being thatsize? e.g. does it decrease performance?While it's there, considering the database is backed up daily, does itactually do any good?I know how to truncate and shrink logs, is it advisable / safe /worthwhile to do this on a regular basis?
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Mar 8, 2000
HELP !!! I have a 1.2GB transaction log that I cannot reduce. I have tried SHRINKFILE, SHRINKDATABASE, restoring the file into a new data base, etc. The log file is only using 15MB and will not release the remainder to the OS
Any and all suggestions would be helpful
Thanks, Chad
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Sep 4, 2006
I have H Drive with 12 GB size.
The Transaction log file of my Database is given in H drive.
i.e H:Krishna_log.LDF.
My database initial setting for the Krishna_log.LDF is 10 GB.
so currently I can see 10 gb file occupied in the H Drive.
very soon my database Krishna_log.LDF is going to increase 10%.
Even though If do Backup/Shrink, it will reduce to the initial to 10 GB.
So all I need is, change the initial size of the
Krishna_log.LDF from 10 GB to 5 GB.
Pls give your suggetions...(I dont mind to shutdown,Restart the Sql server do these changes to achive this Task).
Thanx in advance.
Regards,
Krishna
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Sep 4, 2007
I am trying to resize a database initial log file from 500M to 2M. I€™m using€?
ALTER DATABASE <DBNAME> MODIFY FILE ( NAME = <DBLOGFILENAME, SIZE = 2 ) "
And I'm getting "MODIFY FILE failed. Specified size is less than current size." I tried going into the database properties and setting the log file to 2M, but it doesn€™t keep the changes.
Any help with this process?
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Apr 15, 2008
I have a log file that is approximately 50 GIG. I backed up just the log and the file size of the .bak is 192 GIG . Why is this? Shouldn't it be closer to the 50 GIG.
Normally I wouldn't let log grow this much. But we are in process of getting new server up and running and don't have backups going yet. They are working on getting that up and running this week.
So I did a log backup to give me back some log space for now but was concerned when I saw the size of the .bak file.
When I view media contents of the backup device it shows one tranaction log back up and size of 192 GIG.
What is up with this. I know in SQL 2000 the log backup files where never this big. they were about the size of the log itself.
Any ideas?
Stacy
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Jun 15, 2006
I installed sql 2005 a while back. Then I recently found out my file system was fat32 (I don't understand why the hardware people did this...) and I had to convert to NTFS. Naturally the sql service no longer worked so I uninstalled inorder to reinstall now I can't reinstall it I keep getting this message
native_error=5039, msg=[Microsoft][SQL Native Client][SQL Server]MODIFY FILE failed. Specified size is less than current size.
I'll try to post the full log in a new post.
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Jul 25, 2007
I have one db test with one .mdf and .ldf file...mdf file size is 100mb and for some reson i removed all the tablesfrom that .mdf file and transfer it into new secondary file so all thetables moved into secondary file now i want to reduce the first .mdffile from 100 mb to 50mb is that possible,it's showing 90mb is free.Please reply
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Apr 5, 2001
Hello!
We have unusual situation. We increased the size of transaction log up to 100MB.
After we run the transaction log backup the physical size of transaction log file getting smaller and smaller from 100 to 88 and then to 76 and so on.
Do you now the reason?
Thank you,
Natalia
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Apr 12, 2000
I have a very serious problem, if somebody can help me quickly. my transaction log file is getting bigger and bigger even after truncating. today morning when i checked, it was 1.5 GB, by evening it has gone upto 3GB, the total size of the database is 3.4 GB, out of which 3GB is Transaction log. why is it growing heavily!!!!!!!!. there is not much transaction happening. even after truncating the transaction log it is still showing 3gb.
help!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Feb 22, 2000
I currently have an database that is 110 mb and grows on an average of 5mb a week. THe enviornment is IIS 5.0 /ASP /SQL 6.5. However I find myself continously increasing the log file since it frequently fills up. At this point it is 300mb and can be filled in less than an hour with an average of 35 users. I realize that this file has alot of overhead and is affected directly by the application making the updates. Last week on a busy day (time card app) I witnessed the log increase from below 75% to 100% in a minute, forcing me to truncate the log. This application is an administrative nightmare! Any ideas what could cause this type of activity in the trans log.
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Jan 7, 2003
Hi!
We have here a small database (around 400 MB) with simple recovery. Also autogrowth is active.
But why does the transactionlog also sized up, when it is not in use?
Our TL is around 100 MB and filled with 5 MB.
Everytime the DB gets bigger, the TL also....
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Jul 17, 2003
This isin continuation with my previous query. If i cannot reduce th T Log size , how can i stop it from increasing further. Can i make secondary log files which can be deleted later on?
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Jun 26, 2006
Hi All,
I need to create a script that would return the size of transaction logs for all databases. I ran a select statement against the sysfiles table but you can only run it against one db at a time. Any suggestions?
Thanks.
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Sep 25, 2007
Hello dear friends,
In my database i am not able to take the backup of transaction log.
Even if i took the back up and then shrunk the file it doesnt make any change to my transaction log size.
Still the size is same.
So in every two weeks i am restarting my server.
Once it is restarted then it is ok for another 2 weeks.
After 2 weeks my transaction log size will be more than the size of my datafile.
Can you suggest your openion.
No replication or log shipping exist.
Thank you
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Jun 23, 2006
Hi All,
I need to create a script that would return the size of transaction logs for all databases. I ran a select statement against the sysfiles table but you can only run it against one db at a time. Any suggestions?
Thanks.
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Apr 20, 2004
Hello, everyone:
I am deisgning the transaction log file, and having the rough idea for transaction numbers per hour. How to determine each transaction size?
Thanks a lot.
ZYT
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May 6, 2007
I have written an application which runs as a windows service. The application constantly requires to write data into the database.. pretty much every seond. Some of the tables have more than 800,000 rows.
the application works fine. Hoever I am noticing the transaction log grows very fast. All information added is handled through stored procedures. In one week the transaction log grew to 2GB. I assume a part of the reason was because I ran out of disk spae once. But generally this transaction log is growing fast. What could cause the transaction logs to grow fast, What could I do to keep the log file size down....I cant have the database down as the application needs to be running constantly.
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Jan 8, 2008
I have a database whose recovery mode is FULL. I setup one maintenace plan do a backup for the database and another backup plan which backup the transaction log. The two maintenace plans runs daily.
However, the log file is still growing to a very large size. Should the log file be able to reuse after each backup of the transaction log ?
If I'd like to keep the database recovery mode as "FULL", what do I have to do to keep the transaction log within a reasonable size.
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Jun 10, 2015
I have Full database backup upto previous day and transaction logfile of Today transaction. my database has crashed. I have restored previous day's Full backup. I have faced difficulty to restore today's transaction from today's transaction log. What are the steps to restore full database back and one day's transaction log file. Note: there is no differential database backup and transaction backup.
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May 25, 2001
If I have a transaction log in a database of size 1GB ( space allocated is during creation of database) currently only 300 mb of its space is used i.e. nearly 700 mb is free. If I want to reduce physical file size of transaction log by 200 mb and release it for operating system then How can I do it???
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Feb 14, 2001
Hi,
I'm sure this question has been asked before but I need clarification on a couple of points.
I have a database (500 Mb) which is having a full backup every night at 2AM. I am doing a transaction log backup every 2 hours between 7AM and 7PM. I have noticed that the transaction log keeps growing bigger and bigger so I do a manual truncate.
- Will my transaction log keep growing bigger and bigger ?
- How can I automate a task to reduce the log size ?
- Does a full backup not truncate the log ?
Thanks for any advice,
Tim
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Mar 19, 2000
My database's transaction log has become 1.7 GB. Can I reduce it's size? I have tried to shrink database and also set truncate on checkpoint option and also taken the backup after that. but nothing helps. Please advice.
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Feb 1, 2001
Hi,
A very quick (and probably simple to answer) question.
I have a database for which I used Enterprise Manager to set up a complete backup at 2AM every day and a transaction log backup every 2 hours between 8AM and 8PM.
I have noticed that the transaction log is growing huge but I thought that it is supposed to get truncated every complete database backup !!
What can I do to "manage" the log file size ? (preferably automatic task)
Thanks,
TIm
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Aug 26, 1999
Hi !
How can I find or calculate the exact space occupied by the database and transaction log in the hard disk?
Praveena
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Jul 17, 2003
i am new to sql server. i recently found the transaction log size of my database has reached 109 MB. how can i reduce it. a transaction log backup was sceduled daily at 12.00 noon nad full backup monthly.
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