Transaction Log Backup Process Hanging
Nov 5, 2002
Hi,
My transaction log backup task for the production database which normally takes about 10 seconds has been running for almost about 2 hours now.
Is there any way to stop it without restarting sql services? The scheduled task was stopped from the jobs but spid is still in 'runnable' status. I should not kill 'backup log' or 'xp_sqlmaint' tasks.( It doesn't solve the problem anyway. the SPID goes in rollback status and stays like that until server is rebooted). Any way to find out what causes this problem and how to prevent it?
Thanks,
Shaili
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Aug 14, 2006
Hi
I set TransactionOption=Required for my SSIS package. In this package, 2 tasks are included,
one is execute sql (TransactionOption=supported)
2nd is DataTransformation Task (TransactionOption=Supported)
But it hangs on the execute sql task itself!
Didnt find any reason 4 it so far!
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Nov 14, 2007
Hi,
I was trying to extract data from the source server using OLEDB Source and SQL Server Destination when i encountered this error:
"Transaction (Process ID 135) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.".
What must be done so that even if the table being queried is locked, i wouldn't experience any deadlock?
cherriesh
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Jan 29, 2001
My overnight backups hang occasionally. I say this because there is no consistancy to when the routine will hang. It happens on the first step where it reindexes. The only user database on the server is about 12GB. The server is dedicated to SQL so nothing else runs on it. It has 2x 800 MHz processors with 2 G of ram of which 1.5 is allocated to SQL.
I can't trace the error because it happens before the report is written to. There are a few tables with a million plus records that take up almost a 1G per table.
It was my understanding that if users were in the database they would notice a big performance loss but that the backups would still run. Could it dying because of resource contention? I'm at a loss and really could use some input. I can't afford to go a whole weekend without a backup.
Is there a way for me to progammatically check who is the database prior to the job kicking off?
Any ideas as to what would cause an inconsistant hang of job is greatly appreicated.
Thanks,
Kelsey
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Feb 14, 2007
Hi Folks,
I am having this table locking issue that I need to start paying attention to as its getting more frequent.
The problem is that the data in the tables is live finance data that needs to be changed and viewed almost real time so what I have picked up so far is that using 'table Hints' may not be a good idea.
I have a guy at work telling me that introducing a data access layer is the only way to solve this, I am not convinced but havnt enough knowledge to back my own feeling up. (asp system not .net).
Thanks in advance
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Jan 6, 2012
We are facing deadlock issue in our web application. The below message is coming:
> Session ID: pwdagc55bdps0q45q0j4ux55
> Location: xxx.xxx.xxx.xxx
> Error in: http://xxx.xxx.xxx.xxx:xxxx/Manhatta...Bar=&Mode=Edit
> Notes:
> Parameters:
> __EVENTTARGET:
> __EVENTARGUMENT:
[code].....
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Oct 4, 2007
The backup jobs on one of our sql servers started hanging. The job appears to be complete because the backups are on the disk but the job never completes when viewed in the activity manager. sqlmaint.exe had numerous instances running all night long but the job never completes.
sql server 2000 standard edition sp3a
Windows server 2000
The jobs on this server have run successfully for well over a year and just recently they started hanging. We've done everything short of reboot the server. We've restarted the agent, shut down the sqlmaint.exe but alas nothing we do lets the job complete.
Other jobs that are not back up related are working as they should.
There is plenty of disk space.
Any ideas?
thanks in advance because we are lost as to the cause and resolution.
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Jul 15, 2015
We take a full backup in the early morning and hourly transaction log back during the working hours for one database in the production server. The application team made certain changes to the design of the said database in their development server. The backup from the development server was restored to the production server during working hours. After the restoration should we take a full backup before next transactional logbackup? Would the transactional log backup with out a full backup after the restoration of a database be valid?
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Nov 10, 2006
Hi,
I got the following error when I try running my “comments.aspx� page with visual studio 2005Exception Details: System.Data.SqlClient.SqlException: Transaction (Process ID 83) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
fExecuteQuery(String commandText, String dataSetName) +90 fExecuteQuerySet(String commandText, String dataSetName) +36 ASP.comments_aspx.GetNarComment() +618 ASP.comments_aspx.Page_Load(Object sender, EventArgs e) +476 System.Web.UI.Control.OnLoad(EventArgs e) +67 System.Web.UI.BasePage.OnLoad(EventArgs e) +1013 System.Web.UI.PopupPage.OnLoad(EventArgs e) +4 System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Page.ProcessRequestMain() +750
The segment code was the problem sits in file "comments.aspx"::
…
string cmdText=��;
cmdText = string.Format(@"-- Get All Narative comments fo all students in the course from @selectedTermID down to its child terms
exec aagGetStudentSectionComments @companyID={0}, @sectionID={1}, @selectedTermID={2}, @StudentID={3}
", _companyID, sectionID, selectedTermID, studentID);
ds = fExecuteQuerySet(cmdText, "getMySet");
…
// the 2 functions to deal with ADO.NET to be called in above code segment
// return a dataset.
public DataSet fExecuteQuery(string commandText, string dataSetName)
{
DataSet mds = new DataSet();
SqlDataAdapter da = new SqlDataAdapter(commandText, _cn);
da.SelectCommand.CommandTimeout = 600; // 600 seconds
da.Fill(mds, dataSetName);
return mds; // return dataset
}
// Assume para commandText contains sql query which returns a table or more.
// return a DataSet.
public DataSet fExecuteQuerySet(string commandText, string dataSetName)
{
DataSet mds = new DataSet();
mds = fExecuteQuery(commandText, dataSetName);
return mds; // return DataSet
}
Please give me the reason why that dealock happens?Thanks in advance
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Feb 27, 2006
ive seen this Deadlock Error message out on the internet being discussed, but no solution being offered.
i have a windows service that's running Select Statements [one at a time] - so unless there's some command in sql server that would re-run these - it could be a problem for me.
now if im running this select proc manually - of course i see the message and re-run the process, but how can this be accomplished programatically.
see msg below:
Transaction (Process ID 106) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
thanks for any help on this
rik
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Nov 29, 2004
;)
Hello Everybody,
My name is Fabio and I post from Italy.
First, I don't know if this argument was already discussed in the past, but I'm new in this group so ...
Second I'm not so expert in DB due to the fact that I'm using SQL for the first time in my life ...
I use a store procedure to pass to every single user in my intranet (more than 150), details of different clients taken from an SQL table containing around 30.000 names.
Users have an ASP page displaying the information Selected in the DB.
This means that 150 users display info of 150 different clients.
To to this I use this code in store procedure:
CREATE PROCEDURE sp_assign_name
@iduser int
AS
if exists(select top 1 * from recallornotes where tmkoperator= @iduser)
update nominativitelecom set tmkmotrecall=convert(nvarchar(1), tmkstatus), tmkstatus=7 where id in (select top 1 id from recallornotes where tmkoperator=@iduser)
else
begin
if exists(select top 1 id from nonotes)
update nominativitelecom set tmkmotrecall=convert(nvarchar(1), tmkstatus), tmkstatus=7, tmkoperator =@iduser where id in (select top 1 id from nonotes with (UPDLOCK) order by NewID())
end
GO
This is working quite well when the number of users are more ore less around 50/60, when the number grows, on the IIS server (Pentium IV server, with Win 2000 in English, MS SQL 2000, and 1 Giga of ram), a file called DLLHOST.exe start to use the 100% of the CPU, and the users cannot display any other ASP page on their screens.
It is not a virus (some newsgroup report this problem connect to a worm virus, but we have latest antivirus files installed and spyware detect/delete on).
The SQL log reports this error:
"transaction (process id 69) was deadlocked on (lock) resources with another process and has been chosen as the deadlock victim. rerun the transaction".
Is there a way to avoid the conflict that occur when different users are trying to select the same record in the DB ?
In other terms, which process will you use in the same situation to select one record per user ?
Thanks in advance for your precious help,
Fabio
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Apr 29, 2015
The process could not execute 'sp_repldone/sp_replcounters' on 'sqldb2008'. (Source: MSSQL_REPL, Error number: MSSQL_REPL20011).The specified LSN {00000000:00000000:0000} for repldone log scan occurs before the current start of replication in the log {001317bf:0000f736:0008}. (Source:Â
MSSQLServer, Error number: 18768).The process could not set the last distributed transaction. (Source: MSSQL_REPL, The process could not execute 'sp_repldone/sp_replcounters' on 'sqldb2008'. (Source: MSSQL_REPL, Error number: MSSQL_REPL22037)
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Jul 21, 2006
We have a scenarion in a batch job. There are 3 sp's which are executed for every record in a table. After the execution of first sp the second sp executes depending upon the result of first sp. Simillarly for 2nd and 3rd sp.
Now if any sp execution fails than the whole transaction for that record in the table has to be rolled back.
Can this whole process of executing the multplie sp's insides a single transaction be accomplished using service broker with either a single queue or multiple queues?
sp 1 (1 record)
__________ l_____________
l l l sp2 ( 3 records for 1 record in sp1)
Simillalry for the one record in sp2, sp3 executes for multiple records.
Or in other words if processing of any message in a queue fails all the messages that have been processed already shoould be rolled back and no further execution should happen?
Also i would like to know can a conversation group be rolled back if processing of any message in the conversation group fails. I am asking this as we can club sp2 and sp3 together to get the results directly and than try for parallel processing.
P.S. We have a multiprocessor 64 bit server.
thanks
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Mar 11, 2008
Hello, everyone:
I just heard that for restore purpose, ths full backup and transaction log backup should be from one maintenance plan. Otherwise transaction log backup files cannot be restored after restoring full backup files.
Is it true? Can anyone offer official documents?
In my system, full and transaction backups are from one maintenance plan. Restores are doing fine. I am not sure that ideal is true or not.
Thanks
ZYT
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Jun 13, 2007
what is the differences between a differenctial backup and transaction log backup?
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Oct 14, 2007
I neglected to backup the transaction log as part of the process of backing up the database. Now i only have the backup file for the database and no transaction log backup. When i try to do a restore on the database, i get the error on a "tail log missing" message (which i'm assuming is that it's looking for the t-log backup?).
Is it possible to restore or even restore to a new database? I'm only looking to retreive data from 2 tables within the backup file.
Thanks!
SQL Server 2005 on Windows 2003 Server x64.
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Feb 15, 2006
I am afraid that just after @statusOfEmployee is retrieved from table1, but before table2 is updated, someone else (a second user) calls this same stored procedure and changes the @statusOfEmployee value. This would create an inconsistent update of table2 by first user, since the update of table2 'might' not have gone ahead if the latest value of @statusOF Employee was used. CAN SOMEONE PLEASE HELP ME WITH THIS SITUATION AND HOW I CAN BE SURE THAT ABOVE DOES NOT HAPPEN SINCE MULTIPLE USERS WILL BE HITTING THIS STORED PROCEDURE?
declare @status intbegin transet @status = (select statusOfEmployee from table1)if @@ERROR = 0 begin update table2 set destination = @destination /* @destination is an input parameter passed to the sp*/ where @currentStatus = @status if @ERROR = 0 commit tran else rollback tran endelse rollback tran
return
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Oct 5, 2007
Hi:
On a production SQL2000 STD sp4 server,
1. I have dropped 10 tables with each around 1-2 gb in DB ABC
2. I had run DBCC ShrinkDatabase (ABC, 20) and it is failed after running 133 hours this morning. Yes, 133 hours.
It ran 72 hours last month and shrinked from 200 gb to 180 gb.
Thus, I expected it should be <= 72 hours to fnish since 10 more tables are dropped ?
Msg 1205 Transaction (Process ID 75) was deadlocked on lock | communication buffer resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
DBCC shrinkDatabase will cause deadlocking? how to avoid it?
Is there other ways to speed up?
thanks
-D
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Jul 20, 2005
We are having a really big problem with a zombie process/transactionthat is blocking other processes. When looking at Lock/ProcessIDunder Current Activity I see a bunch of processes that are blocked byprocess 94 and process 94 is blocked by process -2. I assume -2 is azombie that has an open transaction. I cannot find this process tokill and it seems that this transaction is surviving databaserestarts. I know which table is locked up and when I run a select *from this table it never returns. Does anyone have any ideas as tohow to kill is transaction.Any help is appreciated.A. Tillman
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Jan 2, 2006
In an SSIS package I am continually getting the same error:
"Transaction (Process ID 58) was deadlocked on thread | communication buffer resources with another process and has been chosen as the deadlock victim. Rerun the transaction.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.
The package is attempting to do a simple Execute SQL Task. Since this seems like a database and not integration services issue, does anybody have any thoughts or insight into this error and where to begin troubleshooting?
Thanks,
Adrian
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May 20, 2006
Hey guys. I have a question concerning the process a backup does.
Let's say i have MY_DB.mdf set to start at 1mb and unlimited growth by 1mb, and recovery mode is set to full.
Let's also say the log file MY_DB.ldf is set to start at 1mb and unlimited growth by 1mb.
First Question:
This means the more data is added past it's current size, the file for which data was entered will grow by 1mb, forever if left untouched, right?
Next Question:
When I do perform a full backup, let's say a manual backup for now and that I'm using SQL 2005, does a full backup clean up the log file? What I mean by this is, if there are 10000 log entries in the log file, does a backup clean up some of those entries?
---
Reason for this forum:
I ask this because I have a test database I am working with in conjunction with ApexSQL Log (http://www.apexsql.com/sql_tools_log.asp) to test out the software. What I just ran across is that being just a test database I have not backed it up, rather have another copy of it from before I started adding data. It's properties are as described above. The ApexSQL software reads transactions logs allowing one to audit database activites and even reverse any transactions. Before I started using it, I decided to delete about 50 records. Then, a week later, I performed a backup (remember I have never done a backup before) and then I ran the software. The transactions shown in the software only dated back about 2 days earlier, not a week ago. I also looked at the size of my log file and it was only 1mb, and I expected it to be larger. i didnot, however, check the size before any of these steps. That is why I ask if in SQL 2005, does a full backup clean up and/or shrink the log file?
- RoLY roLLs
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Mar 6, 2008
I have over 500 transaction records in a single DB process handling within SQL transaction (Begin, Commit, RollBack and End).
Is there any limitation for the following rollbacktransaction function to handle more records (eg. over 500 records)? Public Shared Sub RollBackTransaction()
Dim transactionObj As Object
Try
transactionObj = SqlTransaction.GetExistingTransaction
If (Not IsNothing(transactionObj)) Then
CType(transactionObj, SqlTransaction).RollBack()
End If
Catch ex As Exception
Throw New Exception(ex.Message)
End Try
End Sub
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Mar 22, 2002
Hi,
While watching through performance monitor the processor time often goes high above the memory.
Could you please tell me how to find out which process is doing that.
Thanks
John Jayaseelan
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Aug 17, 2004
Howdy Folks,
I have recently taken over looking after this machine & the previous guardian is unavailable. I've got to a point where I'm starting to think about looking into MSDB, but am not overly keen to start reviewing this db for obvious reasons... Can anyone please offer advise ?
Thank In Advance
Suze.
Environment: Microsoft SQL Server 2000 - 8.00.760 (sp3) on Win2000
H/W Dell PowerEdge 2550
Issue: Discovered in the sql log that there is a second set of bkps occurring around 7:30am - the bkps we have setup, run at 2am & are also being logged to sql log as completing normally.
The 7:30am bkps appear to be backing up to a remote location using pipes... or at a guess an agent ?? (I don't know know what that looks like cos we don't use agents). We backup db's to disk and then let arcserve pick up those backup files later.
I assume that this has been occurring for some time, sql logs back to July 7 advise so... Unable to locate scheduled job / maintenance plan that runs at this time...
Last night I set up a trace to catch it but that hasn't helped me either, apart from telling me that its an internal process to the server, and that the process actually started at 6:50am.
SQL LOGS Entries between midnight & 8am in attached file:
Trace contents in attached zip file:
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Jul 31, 2007
Hi everybody,
I'm trying to backup a database of 330 GB more or less from my server to an external hard disk connected by optical fiber and I'm receiving the next error:
[SQLSTATE 01000] (Message 3211) Write on "H:sqlbackuppm_import" failed: 33(The process cannot access the file because another process has locked a portion of the file.) [SQLSTATE 42000] (Error 3202) BACKUP DATABASE is terminating abnormally. [SQLSTATE 42000] (Error 3013). The step failed.
Any idea??
Thanks!
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Apr 10, 2006
Hello,
I currently have a Transactional Log reader agent failing with the below error:
The process could not execute 'sp_replcmds'
Error: 14151, Severity: 18, State: 1
SQL Server Assertion: File: <logscan.cpp>, line=2223
Failed Assertion = 'm_noOfScAlloc == 0'.
Stack Signature for the dump is 0x24642FE5
Error: 3624, Severity: 20, State: 1.
SQL Server Assertion: File: <logscan.cpp>, line=1985
Failed Assertion = 'startLSN >= m_curLSN'.
Stack Signature for the dump is 0xD7150BD4
Now, I understand that SP4 is supposed to fix a similar issue. SP4 has been installed and the errors keep happening. I do notice that the hot fix mentions different line numbers than the above errors. Does anyone know if this is a new bug? If not can someone explain the fixes to me, thanks,
Tech Drone.
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Dec 2, 2002
I occasionally receive the following error on backups to a disk backup device.
BackupDiskFile::CreateMedia: Backup device 'F:MSSQLBACKUPFull_Backup.BAK' failed to create. Operating system error = 32(The process cannot access the file because it is being used by another process.).
There are no other jobs running that access this file during the backup. So nothing else should be trying to touch the backup file.
Rerunning the backup again seems to work so it does sound like something is accessing the backup file, I just can't figure out what.
The backup proc reinitializes the backup file each time it runs with the init parameter and then appends remaining backups with noinit. This error occurs on several different servers. Could there be a problem reinitializing the same backup device? It seems like a previous backup has not let go of the device.
I am running SQL 2000 SP2 on Windows 2000 SP2.
Any ideas?
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Dec 4, 2007
Hello. We recently ran into extremely large transaction log sizes on our SQL 2005 box...turns out they were not being backed up. After doing some research, I found that they should be backed up very frequently in order to kee their sizes down. I kind of inherited the mess, but got three maintenance plans set up:
FULL Backup that runs weekly
DIFFERNTIAL Backup that runs nightly
TRANSACTION LOG backup that runs hourly
However, since I implemented the plans there has been high CPU utilization at all times. I finally figured out what was causing it today...the BACKUP LOG process is hanging in "Suspended" mode when I view processes. I have to manually kill them to release the CPU utilization.
How can I trace the cause of the hang? Is there a better way to backup/truncate the log files?
Regards,
Matthew
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Jul 23, 2005
Hi,I'm running SQL Server Version 8.00.194 on Windows 2000.I am am running this query:select TOP 2000TheoVolImpliedfrom OptionTradeswhere ReutersSymbol = 'IBM.N'and TheoVolImplied > 0.0TheoVolImplied is of type float, precision 15, length 8.When I run this query I get this error:Server: Msg 3628, Level 16, State 1, Line 1A floating point exception occurred in the user process. Currenttransaction is canceled.If I run this query:select TOP 2000TheoVolImpliedfrom OptionTradeswhere TheoVolImplied > 0.0It works fine with no problems.If I run this query:select TOP 2000TheoVolImpliedfrom OptionTradeswhere ReutersSymbol = 'IBM.N'It works fine with no problems.Anyone have any ideas about what might be wrong?
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Apr 11, 2001
Hi
I have a full backup and transaction log backup strategy for my test server.
My transaction log backup is failing as some user must have run some nonlogged operation. Is there any way to find out what is causing transaction log backup to fail?
Any hint would be appreciated.
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Sep 18, 2001
I have a problem w/ my Transaction Log Backup. The backup files continues to grow and grow and grow. I have created a new Transaction Log backup through EM, but instead of appending each backup to the existing backup file, I overwrite the existing backup file. My gut feeling is that this is not right. If it isn't, then how can I continue to backup my TL's w/o having the file growing at an astronomical pace?
I would appreciate your help
Chris
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Feb 9, 2001
Is there a possibility to recover a database up to the point of failure ?
I have a database with a primary datafile and a transaction logfile.
I have backup of the database and transaction log backups upto an hour before failure. But I also want to recover one hour data which is in the transaction log.
I have lost my primary datafile.
Is there a way to recover ?
How do I backup the transaction log before starting restore ?
Thanks,
Bala
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Feb 2, 2001
Hi friends,
I have set up the Transaction Log backup on one server he was running fine for few hour later he failed for two times and then after full backup it is running fine.
Can any one of shed some light on this issue.
Error:
Cannot allow BACKUP LOG because file 'ZTVData' has been subjected to nonlogged updates and cannot be rolled forward. Perform a full database, or differential database, backup. [SQLSTATE 42000] (Error 4213) Backup or restore operation terminating abnormally. [SQLSTATE 42000] (Error 3013). The step failed.
Thank You,
Paul T
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