Database Log File Size

We are in the process of migrating disabled users to a new Exchange 2013 database on secondary storage. I've noticed that the Logs folder is abnormally large (182 GB). I was wondering if there was a way to clean this up?
We have other Exchange 2013 databases whose Logs folder is much smaller in comparison (~200 MB). How can I go about cleaning these log files?

Hi,
Have you checked the above suggestion to do a full backup and check the result?
Is there any update with your issue?
Best regards,
If you have feedback for TechNet Subscriber Support, contact
[email protected]
Amy Wang
TechNet Community Support
Sorry to reply to this so late but I wanted to provide somewhat of an update. I am running a DPM job on the database now. We'll see if it resolves the issue. When I ran the DPM job originally it had an error. I believe it was because the drive was at capacity.
I've since expanded the drive and kicked off the DPM job again.

Similar Messages

SQL log file size is extending rapidly

Hello All,
We are using ECC 6.0, our database is SQL 2005 & operating system is Windows NT 4x AMD64 L.
Our database log file size is increasing rapidly, now its size is more than the all 4 data files (near about 300gb).
Last week I tried to shrink log file but it didn't worked.
Now less space is remained on disk, please help me.
Now the system is started giving dump at the time of log in, & the dump is like "START_CALL_SICK ".
I am attaching dump error text file.
Please help why is this happening.
Thanks in advance
Mahendra

Hi,
I have backed up log file & shrink the file but it didn't worked for me
What is the result? It shrinks the log and release all the space (for all committed transactions).
How can i add another log file?
Can i delete old log file after adding new log file.
You can add another log file by following below steps. but in your case, this is not the right solution because you have good amount of log file configuration for your database (now its size is more than the all 4 data files (near about 300gb)).
Open SQL server management studio > Expand database > Right click on database > Select Files > Click on Add > Give the input parameters (Logical file name, path, initial size etc.) click on OK
If system is not allowing you to shrink the log file, it means you have active transactions in system which are continuously using your log file.
Regards,
Nick Loy

Archive log file size is varying in RAC 10g database.

---- Environment oracle 10g rac 9 node cluster database, with 3 log groups for each node with 500 mb size for each redo log file.
Question is why would be the archive log file size is varying, i know when ever there is log file switch the redo log will be archived, So as our redo log file size is of 500 MB
isn't the archive log file size should be the same as 500 MB?
Instead we are seeing the archive log file is varying from 20 MB to 500 MB this means the redo log file is not using the entire 500 MB space? What would be causing this to happen? how can we resolve this?
Some init parameter values.(just for information)
fast_start_mttr_target ----- 400
log_checkpoint_timeout ----- 0
log_checkpoint_interval ----- 0
fast_start_io_target ----- 0

There was a similar discussion a few days back,
log file switch before it filled up
The guy later claimed it's because their log_buffer size. It's remain a mystery to me still.

Crystal Report Server Database Log File Growth Out Of Control?

We are hosting Crystal Report Server 11.5 on Microsoft SQL Server 2005 Enterprise. Our Crystal Report Server SQL 2005 database file size = 6,272 KB, and the log file that goes with the database has a size = 23,839,552.
I have been reviewing the Application Logs and this log file size is auto-increasing about 3-times a week.
We backup the database each night, and run maintenance routines to Check Database Integrity, re-organize index, rebuild index, update statistics, and backup the database.
Is it "Normal" to have such a large LOG file compared to the DATABASE file?
Can you tell me if there is a recommended way to SHRINK the log file?
Some Technical Documents suggest frist truncating the log, and the using the DBCC SHRINKFILE command:
USE CRS
GO
--Truncate the log by changing the database recovery model to SIMPLE
ALTER DATABASE CRS
SET RECOVERY SIMPLE;
--Shrink the truncated log file to 1 gigabyte
DBCC SHRINKFILE (CRS_log, 1000);
GO
--Reset the database recovery model.
ALTER DATABASE CRS
SET RECOVERY FULL;
GO
Do you think this approach would help?
Do you think this approach would cause any problems?

my bad you didn't put the K on the 2nd number.
Looking at my SQL server that's crazy big my logs are in the k's like 4-8.
I think someone enabled some type of debugging on your SQL server, it's more of a Microsoft issue, as our product doesn't require it from looking at my SQL DB's
Regards,
Tim

Get Total DB size , Total DB free space , Total Data & Log File Sizes and Total Data & Log File free Sizes from a list of server

how to get SQL server Total DB size , Total DB free space , Total Data & Log File Sizes and Total Data & Log File free Sizes from a list of server

Hi Shivanq,
To get a list of databases, their sizes and the space available in each on the local SQL instance.
dir SQLSERVER:\SQL\localhost\default\databases | Select Name, Size, SpaceAvailable | ft -auto
This article is also helpful for you to get DB and Log File size information:
Checking Database Space With PowerShell
I hope this helps.

SQL LOG FILE SIZE INCREASING

Hi DBA's
SQL Log file size occupies more disk space on the server, the overall database size is 8GB
How to decrease the SQL LDF file size on the server, please explain the suitable steps to perform
Thanks
DBA

use master
go
dump transaction <YourDBName>
with no_log
go
use <YourDBName>
go
DBCC SHRINKFILE (<YourDBNameLogFileName>,
100) -- where 100 is the size you may want to shrink it to in MB, change it to your needs
go
-- then you can call to check that all went fine
dbcc checkdb(<YourDBName>)
Andy ,
what point in asking user to use No_log and you did not even motioned about what this eveil command will do. Actually its
seriously not required reason being initial size of log file set to 8 G.
Plus what is point in running checkdb ?
I don't agree to any part you pointed
Please mark this reply as answer if it solved your issue or vote as helpful if it helped so that other forum members can benefit from it
My Technet Wiki Article
MVP

Archive Log file size

I am using Oracle database 9.2.0.1.0, My OS is Linux AS4 Update version.
My database is in archive log mode, the archive file size generated on disk is 100 MB. I want to monitor the reason that why the size of redo generated is too big.
Kindly suggest.
Regards

Archived log file size will always be the same size as redo log or less than the redo log size (but never bigger than redo log size)
ARCHIVE_LAG_TARGET is the reason (apart from manual archiving ALTER SYSTEM ARCHIVE LOG CURRENT/ALL) why you see archived logs with lesser size than redo log
why archive log file size constanly change?

Unable to set max log file size to unlimited

Hi all,
Hoping someone can give me an explanation of an oddity I've had. I have a series of fairly large databases. I wanted the make the database log files 8GB in size with 8GB growth increments with
unlimited maximum file size. So, I wrote the script below. It seems to have worked but the database max size doesn't show as unlimited, it shows as 2,097,152MB and cannot be set to unlimited using a script or in SSMS by clicking on the unlimited radio button.
2TB is effectively unlimited anyway but why show that rather than actually setting it to unlimited?
USE
[master]
GO
--- Note: this only works for SIMPLE RECOVERY MODE. FOR FULL / BULK RECOVERY modes you need to backup the transaction log instead of a CHECKPOINT.
DECLARE
@debug
varchar(1)
SET @debug =
'Y'
DECLARE
@database
varchar(255)
DECLARE
@logicalname
varchar(255)
DECLARE
@command
varchar(8000)
DECLARE
database_cursor
CURSOR LOCAL
FAST_FORWARD FOR
select
DB_NAME(database_id)
as DatabaseName
name
as LogicalName
from
master.sys.master_files
where
file_id
= 2
AND type_desc
= 'LOG'
AND physical_name
LIKE '%_log.ldf'
AND
DB_NAME(database_id)
NOT IN('master','model','msdb','tempdb')
OPEN
database_cursor
FETCH
NEXT FROM database_cursor
into @database,@logicalname
WHILE
@@FETCH_STATUS
= 0
BEGIN
SET
@command
= '
USE ['
+ @database
+ ']
CHECKPOINT
DBCC SHRINKFILE('''
+ @logicalname
+ ''', TRUNCATEONLY)
IF
(@debug='Y')
BEGIN
PRINT
@command
END
exec
(@command)
SET
@command
= '
USE master
ALTER DATABASE ['
+ @database
+ ']
MODIFY FILE
( NAME = '''
+ @logicalname
+ '''
, SIZE = 8000MB
ALTER DATABASE ['
+ @database
+ ']
MODIFY FILE
( NAME = '''
+ @logicalname
+ '''
, MAXSIZE = UNLIMITED
, FILEGROWTH = 8000MB
IF
(@debug='Y')
BEGIN
PRINT
@command
END
exec
(@command)
FETCH
NEXT FROM database_cursor
INTO @database,@logicalname
END
CLOSE
database_cursor
DEALLOCATE
database_cursor

Hi,
http://technet.microsoft.com/en-us/library/ms143432.aspx
File size (data)
16 terabytes
16 terabytes
File size (log)
2 terabytes
2 terabytes
Thanks, Andrew
My blog...

On-line redu log file size reduce

Dear Experts,
Recently i have done HADR set-up, my DR server is on remote location,
and my network line is not very fast , my query is , can we reduce on log file size, which is currently 63.9921874995806 MB(by default) . because if we will reduce the size it may help to ship the log fast,
Kindly suggest the best,
Thanks
Sadiq

Hello,
if you are referring to the build-in DB2 HADR functionality, reducing the size of log files will not help.
HADR does not transfer complete log files but will replicate logging information of each single transaction constantly to the standby site.
Your network has to have enough bandwidth to support the average log generation rate. This is not related to the size of individual log files, but to how much logging information is generated per amount of time.
Kindly check the corresponding DB2 online documentation for HADR performance aspects
[High availability disaster recovery (HADR) performance|http://publib.boulder.ibm.com/infocenter/db2luw/v9r7/index.jsp?topic=%2Fcom.ibm.db2.luw.admin.ha.doc%2Fdoc%2Fc0021056.html]
But, to answer your initial question: The size of log files can be changed by modifying the LOGFILSIZ database configuration parameter. Probably it will not help in your case.
Edited by: Hans-Juergen Zeltwanger on Feb 20, 2012 2:49 PM
Edited by: Hans-Juergen Zeltwanger on Feb 20, 2012 2:50 PM

MessageBox log file size

Hi,
In our prod environment, the MessageBox data file is withing the recommended limits - 2GB, but the log file is 32GB. Is this a reason to worry, or it is normal? I couldn't find any recommendations on this.
Thank you very much!

This is not normal.
IMO your BizTalk database Jobs are not running , Make sure your BizTalk SQL servers jobs have been enabled and SQL server agent is running.
Please have a look of
How to Configure the Backup BizTalk Server Job article to enable the jobs.
The BizTalk backup job is responsible for keeping the log file size in the limit.
you can try shrinking the log file using following SQL command
USE BiztalkMsgBoxDb;
GO
-- Truncate the log by changing the database recovery model to SIMPLE.
ALTER DATABASE BiztalkMsgBoxDb
SET RECOVERY SIMPLE;
GO
-- Shrink the truncated log file to 1 MB.
DBCC SHRINKFILE (BiztalkMsgBoxDb_Log, 2);
GO
I would recommend you to have a read of following articles
BizTalk Environment Maintenance from a DBA perspective
BizTalk Databases: Survival Guide
hope this helps.
Greetings,HTH
Naushad Alam
When you see answers and helpful posts, please click Vote As Helpful, Propose As Answer, and/or
Mark As Answer
alamnaushad.wordpress.com

Database Log file Shrink information

Hello Team,
Database log file shrink information: Due to space problem
One of my database having 600 gb,under 600 gb log file having 260 gb, in this database we take full backup daily no log backup. If we shrink the log file any impact is happen?
We shrink the log file internally what will happen?
One of my database having 600 gb,log file having 260 gb, in this database we take full backup daily and every 15 min take log backup.
This is scenario we shrink the log file what will happen.

Hello,
You should not try to shrink the log file regularly, because is resource intensive, it takes a lot of time and it creates fragmentation on the disk storage.
If you don’t backup the log files of the databases (option 1) you don’t have the ability to restore to a point in time between backups full and differential. If
you don’t want to backup files then it makes sense to change the recovery model to simple.
Backing up the logs regularly minimize the risk of the logs getting filled and extending their size.
Hope this helps.
Regards,
Alberto Morillo
SQLCoffee.com

Enterprise manager log file sizes

Hi,
I was wondering if there is a way of managing the size of the emdb.nohup file in Enterprise Manager. Looking at the documentation, it looks as though you can control the emoms trace and log file sizes, but I can't find anything about the nohup log.
Ideally I would like to be able to purge the log file.
Thanks very much!

Hi again,
I found the emdb.nohup file in my log directory at the location you noted. It is apparently created when I stopped and restarted my dbconsole (emctl start dbconsole) and is updated each time I make a connection to that database (for which you are connecting), and for every time the page refreshes.
I think the name of the file using a suffix of nohup is probably intentional on Oracle's part to indicate that this is a log file that is 'active', but in reality, it is not a true nohup file as in the sense of using the unix nohup command. (at least that is what I'm thinking)
Sorry I'm not knowledgeable enough on this to be sure of my theory, but that is what I basically theorize.
According to man pages on nohup, it states nohup is "a utility immune to hangups".
"nohup - run a command immune to hangups, with output to a non-tty"
To answer your question, there is no problem purging or pruning this file.
I just cleared it out by sending a date to the file which effectively clears it out except for a new entry in the file with the current date/timestamp.
e.g., $ date > emdb.nohup
Then, I reconnected to my OEM console for this database and it updated the file with new entries for the new connection. No problem....
Wed Aug 6 09:46:53 EDT 2008
08/08/06 09:47:07 ## oracle.sysman.db.adm.inst.SitemapController: event="doLoad"
08/08/06 09:47:07 ## 1. newPage = /database/instance/sitemap/sitemap
08/08/06 09:47:07 ## 2. newPage = /database/instance/sitemap/sitemap
Ji Li

Reduce the Production Log file size(.LDF)

Hi Everybody,
We are using R/3 ECC 6.0 VERSION with SQL 2005 Database. For the past two days our Production Server Performance is very slow due to the size of Production Log file(.LDF) it crossed 17 GB. i want to reduce this Log file size. i dont know how. plz some one help me to do this job.otherwise this will become Serious Issue.
Points will be rewarded
Thanks
Siva

How did you trace the slowness back to the log file? A 17 GB log file is on the small side for a Production system. I don't think a hotfix is going to fix your log growth.
Is the log on the same physical disk as your data files? Is it on a very slow hard drive or is the drive having an I/O problem? That is the only way it would impact performance to a noticable degree. A large or small log file will have no real effect on performance since it is just appended to and not read during writes, and in most production environments it is on a seperate disk or part of a SAN.
You can decrease its growth by increasing your log backup time. Do you back it up now? You can probably set your backup software to shrink the file when it finished backing up. You should consult your DBA team and ask for their advice, they can quickly point you in the right direction.

How to set up PopProxy* log file size ?

Dear All,
Does anybody know how to set up MMP PopProxy* log file size and rollovertime ?
./imsimta version
Sun Java(tm) System Messaging Server 7.0-3.01 64bit (built Dec 9 2008)
libimta.so 7.0-3.01 64bit (built 09:24:13, Dec 9 2008)
Steve

SteveHibox wrote:
Does anybody know how to set up MMP PopProxy* log file size and rollovertime ?Details on these settings are available here:
http://wikis.sun.com/display/CommSuite6U1/Communications+Suite+6+Update+1+What%27s+New#CommunicationsSuite6Update1What%27sNew-MMPLogging
Regards,
Shane.

Log file size

We have a DNS Server running on solaris 9, it's generating huge logs hence /var/adm/messages file size is vey big. Is there any way to create seperate log file for everyday or can I restrict the log file size for a single file.
Thank you

Hmmm,
For what type environment is this DNS server used for? How many domains/delegated domains are configured on the host?
I think by default BIND allows 1000 recursive lookup connections. (That is already plenty and if you have that amount of legitimate traffic you will have to add more DNS servers and configure the nodes accordingly)
Is the server listed as a Name Server for your domain and used externally for name resolution for your domain host entries, maybe the SOA?
nslookup (enter)
set type=ns (enter)
you_domain_mane (i.e. your_domain.com) (enter)Or
dig �q NS your_domain.com
If the affected server returns in the list it is NEVER EVER a good idea to allow recursive lookups.
My guess is that you are subject to denial of service, unless you host a fairly large environment with 1000s of hosts.
Change the recursive-cient connection back (you system cannot handle 5000 recursive lookups and your system utilization shows this.)
Then configure
�category queries { your_query_file; };� In your namd.conf
restart BIND
Use �rndc� to change the trace level to 1
Let it run for 2 -5 min and stop BIND entirely
Then run something like:
�cat your_query_file | cut -d'/' -f2 | sort | uniq �c | more� (depends on the log file format, better yet use nwak)
take a quick look to see if there is one IP that is hammering your system.

Database Log File Size

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