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05.28.2007 at 10:50AM PDT, ID: 22598331
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6.4

Microsoft SQL 2005 - Logs out of control

Asked by matanguay in SQL Server 2005, Databases Miscellaneous, MS SQL Server

Tags: , , ,

Hi,

i have a sql server that i use for a great plains application, and we recently started using snapshot replication to send part of the db to a warehouse server, since one of the live server's database has grown over 20gb, and it is taking a lot of processing for reporting.

we never had issues with log before, but since we started doing this, the logs have grown ridiculously.

to show numbers, here is the issue : the MDF file is about 25gb, the logfile used to be between 5-10gb. now the db is still 25gb and the logfile is about 45gb.

i run transaction logs every 15 minutes, and it still keeps the large log files and does not want to shrink them. below is the log backup command i use :
BACKUP LOG [DBNAME] TO  DISK = N'F:\BACKUPFOLDER\DBNAME\DBNAME_DATETIME.trn' WITH NOFORMAT, NOINIT,  NAME = N'DBNAME_BKUP_DATETIME', SKIP, REWIND, NOUNLOAD,  STATS = 10

this works perfectly and here is the command i run daily to try and shrink the logs :
USE DBNAME
DBCC SHRINKFILE ('DBLOGFILENAME.ldf',1000)
this command is supposed to shrink the logs to 1gb but for some reason it barely takes out 100megs or so...

if i go in the SSMS and open SHRINK FILE, it shows that the log file is :
Currently Allocated Space : 44627.81MB, Available Free Space : 8916.57MB 19%, Shrink Action : Release Unused Space
this will only shrink the 8916.57mb but not the rest of it.

what should i do to shrink the logs without truncating, and if i need to truncate would this still allow point in time restoration or would that cause problems ?Start Free Trial
[+][-]05.28.2007 at 10:54AM PDT, ID: 19168290

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[+][-]06.12.2007 at 06:37AM PDT, ID: 19265927

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[+][-]09.15.2008 at 10:34AM PDT, ID: 22480898

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About this solution

Zones: SQL Server 2005, Databases Miscellaneous, MS SQL Server
Tags: 2005, sql, shrink, logs
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Solution Provided By: Computer101
Participating Experts: 2
Solution Grade: A
 
 
 
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