Backup Hangs In Wait-state MSSEARCH
Oct 11, 2006
I'm experiencing a very annoying failure when trying to do a backup - I hope you can help where others (including me) have failed.
The setup is a SharePoint Portal Server 2003 version 11.0.8126.0 running on Windows server 2003 Standard edition Service pack 1; it has a SQL-server 2005 version 9.0.2047 running on Windows server 2003 Standard edition Service pack as a back-end.
When I issue a backup of the SharePoint database XXX_SITE which holds round 4 gb. of data (mainly documents) the backup process hangs with a Wait Type 'MSSEARCH', it makes no difference whether I issue it as a single job, or through a maintenance plan.
I tried to stop the MsSearch service on the SharePoint-server, and disabled the Full-Text search on the database but it makes no difference.
The only way I can get a backup is to reboot the server on which SQL-server resides (restarting the SQL-server makes it rather unstable), and do a manual back-up shortly after.
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Mar 28, 2007
Recently we observed a problem. We are running stored procedure through our c# code. Three machines access the server and update or insert in the required tables in the server. If there is no data in the server, on installing first time our application usually our database is clean. then stored procedure works fine, it takes around 10 to 15 sec to execute. Next time if execute the time goes up to minutes like 15 mins. Next time it goes for hours around 4 hrs. Even to update 4 or 5 records it takes time. Initially we thought it was because of the size of the data and we tried to re tune on indexes, it did not solve. But now what we observe is even with less number of records in server also it wouldn't come of the execution for hours.
Now are executing the just the SP in the SQL manager studio to see the time. That one also is executing for hours. when looked at the activity monitor the process goes to suspend state with wait type ASYNC_NETWORK_IO.
When we comment one of the query is working fine.
Is this something to do with the query I am not sure. If that is the case it should not work every time.
The query makes any sence or is there any way to write it in better way
'UPDATE [server].[dbo].[DocumentMetadata] SET DocumentInfoID = b.DocumentInfoID, [Name] = b.[Name], MetadataType = b.MetadataType,
[Value] = b.[Value], ValueType = b.ValueType
FROM [server].[dbo].[DocumentMetadata] a WITH (UPDLOCK)
INNER JOIN (SELECT c.DocumentInfoID, c.[Name], c.MetadataType, c.[Value], c.ValueType
FROM MACHINENAME.[Client].[dbo].[DocumentMetadata] c
INNER JOIN MACHINENAME.[Client].dbo.DocumentInfo DINF ON c.DocumentInfoID = DINF.DocumentInfoID
INNER JOIN MACHINENAME.[Client].dbo.Path d on DINF.NativeFileID = d.PathID
INNER JOIN MACHINENAME.[Client].dbo.ActiveDataSource ADS ON d.DataSourceID = ADS.DataSourceID
WHERE ADS.ProjectID = ''' + @ProjID + ''') b
ON a.DocumentInfoID = b.DocumentInfoID AND a.[Name] = b.[Name]'
'INSERT INTO [server].[dbo].[DocumentMetadata]
(DocumentInfoID, [Name], MetadataType, [Value], ValueType)
SELECT c.DocumentInfoID, c.[Name], c.MetadataType, c.[Value], c.ValueType
FROM MACHINENAME.[Client].[dbo].[DocumentMetadata] c
INNER JOIN MACHINENAME.[Client].dbo.DocumentInfo DINF ON c.DocumentInfoID = DINF.DocumentInfoID
INNER JOIN MACHINENAME.[Client].dbo.Path d on DINF.NativeFileID = d.PathID
INNER JOIN MYCLI.[Client].dbo.ActiveDataSource ADS ON d.DataSourceID = ADS.DataSourceID
WHERE ADS.ProjectID = ''' + @ProjID + '''
AND Ltrim(rtrim(c.DocumentInfoID))+ ltrim(rtrim(c.[Name])) NOT IN
(SELECT Ltrim(rtrim(DocumentInfoID))+ ltrim(rtrim([Name])) FROM [server].[dbo].[DocumentMetadata])'
We have been fighting it out for so many days.
Can anybody help
Thanks
knvdssr
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Jun 16, 2006
I am in the process of moving a SQL2000 database to a SQL2005 database.
Porting from: SQL200, Windows Server 2000(SP4) (32 bit dual processor)
to:SQL2005, Windows Server 2003(SP1) (x64 bit dual processor)
After porting the database from SQL2000 to SQL2005 (no changes) running the same update statement from Management Studio on the 2003 Server and and Query analiser on the 2000 Server.
SQL2000 completes the command in 2 minutes SQL2005 is still running after 60 minutes.
SQL2000 is the live/production system with users connected, the SQL2005 is in a test environment with no other processors running.
When the problem first showed up the SQL2005 activity monitor displayed CXPACKET wait type on 2 processes with the same pid number. I now no longer have any wait type being displayed but my wait time is increasing rapidly. No block is reported.
I assume that I have an CXPACKET lock problem.
Am I correct that I have a CXPACKET problem and if so what is the resolution?
The update statement is as follows...
update BI_LENDING_TRANSACTIONS
set [Balance Movement Month] = M.[Balance Movement Month]
from BI_LENDING_TRANSACTIONS as T,
BI_BALANCE_MOVEMENT_DATES as M,
BI_COMPANIES as C
where (T.[Transaction Date] >=
(SELECT DATEADD(d, - 70, minDate) from (select min([Transaction Date]) minDate
from p_BI_LENDING_TRANSACTIONS) t1)
OR
T.[Transaction Date] >= C.[MostRecentSnapShotDate] or
T.[Value Date] = T.[Balance Movement Month] ) and
T.[Value Date] <= C.[MostRecentSnapShotDate] and
T.[Value Date] >= T.[Transaction Date] and
T.[Company_Code] = M.[Company_Code] and
T.[Value Date] > M.[SnapShotFromDate] and
T.[Value Date] <= M.[SnapShotToDate] and
C.[Company_Code] = M.[Company_Code]
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Aug 31, 2006
I'm writing a small vbscript to backup a db and some related files, so I used a WSShell calling OSQL to run a Sql BACKUP command, then after it's finished I XCOPY the resulting file plus some other related files. But the problem is that OSQL ends it's execution as soon as the BACKUP command is sent to SqlServer, not when the backup itself ends.
Anyone knows how to synchronize the two? How to wait, inside OSLQ, for the end of the BACKUP execution?
TIA
Luigi
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Feb 1, 2001
I have a scheduled task that runs backups on our prodcution database at midnight - it usually takes five minutes to run - but the last two nights it has been running for hours and never completing. It ran for 3 hours last night - until i was paged by the database that the transaction log backups were failing (with error 3023) to run because the backup (Backup Database db to db1_nightly with init) job was still running.
The night before our European users could not reach the database - the machine was locked up when I got in in the morning - needed a hard boot to get it back up.
I ran the backup job last night at 8:30 pm and it succeeded - but when it ran at 12:00 AM for the last two days - it runs and never completes. When I tried to kill the process in Enterprise Manager at 3:00 AM, it wouldn't stop. I tried stopping the SQLAgent Service and MSSQLSERVER service to stop the process, with no luck. Finally an early morning drive and a hard boot killed the process.
Any thoughts? There were no new jobs scheduled in the last couple of days. There is no error in the logs (the step never completes - so it's not recorded). The backup works fine if run earlier in the day.
I am running SQL 7.0 with SP2.
Thanks you for any ideas - I'm hoping not to have to drive in at 3 AM this morning - so any thoughts would be great.
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Oct 21, 2004
SQL Server 2000
Backup database command hangs. The command I am using is:
BACKUP DATABASE @DBName TO DISK = @filename WITH INIT
Size of the database is 140GB and we have 210 GB free disk space.
sp_who status shows runnable.
Any help would be appreciated.
Thanks.
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Feb 28, 2007
We have SQL 2000 running on Server 2003. The server has 4 GB RAM, RAID 1 and has the /3GB switch in Boot.ini. We have 6 databases, the largest is about 14 GB. Until recently I could use Enterprise Manager to perform database backups to a folder on the same server but now the operation fails. After selecting the location for the backup and clicking OK, the hard drive light comes on but goes out after 15 - 30 seconds. The progress bar does not move. I've waited and waited but nothing further happens and the server doesn't respond. The only solution is to push the power button and let the server re-boot. Very occasionally the backup will run for a minute or two and the progress bar might get to about one third of the way across, (in which case the destination file will show up with more than 0 bytes), but it never completes. I can find nothing in the event log relating to this problem. As far as I am aware, nothing has changed since the last successful backup. Backups to tape using Retrospect appear to work fine but I haven't done a test restore. Does anyone have any ideas as to what I can try to get the backups working again?
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Mar 15, 2008
My Vista system hangs immediately after I insert the second blank DVD. I'm doing a simple backup of my user files. I'm using Vista Premium, fully up to date with patches, minimal software installed because this system is 100% used as a Media Center. Hardware is off the shelf HP Media Center m8067n.
I checked Microsoft knowledgebase and no other similar cases popped up. Is anyone else experiencing this?
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Oct 18, 2015
I'm trying to restore a database using SSMS GUI. In "Select backup devices" window if I click the Add button there the window and the whole process hangs like it will never work.
I tried to clear backup history, but that didn't solve it.
I tried with a couple of other databases, but same thing. It was working fine!
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Oct 29, 2007
When performing a tail log backup to an online database through SSMS, the database is placed in restoring state. Is there a proper procedure to take the database out of restoring state after the backup is completed?
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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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Sep 15, 2004
When I select All Actions>Backup Database and then click the ... button to choose a location on the hard drive, SQL Enterprise Manager Hangs and I have to kill it from Task Manager.
All other areas of EM browse the disk drive without a problem. (DTS, File Groups, etc.)
Anyone ever run into a similair problem?
Thanks
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Nov 29, 2014
Have a server running 14 production databases, 12 of which are replicated (transactional replication) to a second server for reporting. Distributor on same machine as publishers. All set to 'SyncWithBackup' = true, distribution set to Full recovery mode, log backups every 30 minutes, full backup nightly. This generally runs just fine.
Occasionally, the process 'hangs' indefinitely (has gone 12 hours or more before being caught) and I need to stop the backup job, stop one or more of the log reader agents, and restart everything, and it proceeds just fine. Annoying, but not fatal, and not very often.
This time, no matter what, the backup job hangs when it runs. This is true whether it is the FULL backup or just a Transaction Log backup. It hangs on the stored procedure sp_msrepl_backup_start, at the point where it is attempting to update the table 'MSrepl_backup_lsns'. When it is hung like this, all of the log reader agent jobs are also hung, blocked by this stored proc. I've tried stopping ALL of the log reader agents prior to starting the backup, but the backup process still hangs up at the same spot and never ends.
I can run the select statement in that SP that gathers the data for the databases 'manually' in a query window and it finishes in about 10 seconds. It actually seems to be hung up on the 'UPDATE' statement. When it is hung, I cannot SELECT from MSrepl_backup_lsns unless I append WITH (NOLOCK) to the statement. Nothing else I can find indicates that there is anything else locking that table. DBCC OPENTRAN shows that there is a lock on that table held by that stored proc -- but I can't see any reason why it won't update the table (17 total records) and move on.
As I said, normally this runs just fine. Totally baffled by what may be causing this at this time.
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Oct 6, 2007
HELP!
For the past several weeks, I have been trying to install SQL Server 2005 on a Win XP SP2 PC. Regardless of the options I choose (SQL Engine + Client Tools, Client Tools only, etc.) when the installation gets to the end of the Client Tools setup and the setup status displays "Removing Backup Files", my PC appears to hang.
For a period of time, there is a fair amount of HD activity which gives me the impression that files are in fact being deleted, but then there is no HD activity and the installation appears to hang. Finally I give up and kill the setup process and reboot.
After reboot, it appears that the client tools have been installed (the icons appear and I can open the Management Studio, but when I try to connect to an existing instance of SQL, that hangs. This occurs for either Windows or SQL authentication.
Has anyone experienced this behavior and determined the root cause? What EXACTLY is happening during the "Removing Backup Files" phase of the installation?
Thanks for any help in advance,
Marc Mueller
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Mar 10, 2004
Please, help me to troubleshoot MSSearch Gatherer error.
I am running SQL2k SP3 on Windows 2k DC and trying to setup full-text index using Enterprise Manager Console, everything goes fine until I am trying to start full population.
In the eventlog I got the following errors:
Event Source:Microsoft Search
Event Category:Gatherer
Event ID:3035
Description:
One or more warnings or errors for Gatherer project <SQLServer SQL0000900005> were logged to file <d:sqldataFTDataSQLServerGatherLogsSQL00009000 05.1.gthr>. If you are interested in these messages, please, look at the file using the gatherer log query object (gthrlog.vbs, log viewer web page).
Event Source:Microsoft Search
Event Category:Gatherer
Event ID:3036
Description:
The crawl seed <MSSQL75://SQLServer/78bedcc2> in project <SQLServer SQL0000900005> cannot be accessed. Error: c0000005 - A description for this error could not be found.
After that process I got ItemCount -2
using SELECT fulltextcatalogproperty('TestCatalog', 'ItemCount')
Services (SQL and MSSearch) running under LocalSystem Account and have correct BUILTINAdministrators with all privileges.
Any idea?
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Jan 7, 2005
Hello Friends,
I'm trying to set affinity to mssearch.exe in our Windows 2000 Advanced
server (4cpus), but i am getting an "Access denied error". I checked the login which has administrator rights to the box.
It would be a great help if anyone can tell how to fix this.
Thanks
Haja
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Aug 3, 2006
The 2.0 version of ASPSTATE is slightly different than the 1.1 version in that one table has one additional column and another table uses a different data type and size for the key. The 2.0 version also has a couple additional stored procedures.
We'd like to manage just one session state database if possible so we're trying to figure out if Microsoft supports using the new schema for 1.1 session state access (it seems to work, but our testing has been very light).
Is there any official support line on this? If not, can anyone comment on whether or not you'd expect it to work and why?
Thanks.
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Sep 26, 2007
We have mirroring setup for 5 dbs, 4 of which are synchronized and 1 which is in "synchronizing" state on the principal and "restoring" state on the mirror. Mirroring for all dbs has been working fine for the past several months and we have a witness that has allowed automatic failover in the past without problems.
This database has several bulk inserts performed throughout the day and am sure there is some latency due to the size of these transactions.
Not sure as to why this is happening all of a sudden, but the db in question has been in this state for the past 12 hrs. I checked the mirroring status on the principal and it states that it is "synchronizing: data is being transferred from principal to mirror", but the mirror server states that db is in "restoring" state. Can anyone suggest as to how I can get the database on the mirroring server to get back to "mirror, synchronizing/restoring..." state? Or suggest on how I can troubleshoot this?
Thanks in advance.
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Aug 1, 2000
I am running into problems while running a large procedure, and i think it may have something to do with a PAGEIOLATCH_SH wait problem.
My server, whose sole purpose is to run this one procedure, is doing plenty of disk i/o, and the CPU’s bouncing around, so I assume it’s working. But when I look at its process info, it seems to be sleeping a lot of the time on PAGEIOLATCH_SH. No other users are in the DB, so I'm quite confused. I don't find much info on this anywhere, so any insight would be very appreciated.
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Jan 15, 2008
I'm new to SQL Sever 2005 and I'm trying to do what Informatica (Power Center - ETL) is trying does.
I have created a work flow and it is scheduled to run at every night 1:00 AM .The process is to load a flat file (CRV.data) into the database from a shared location.The flat file is transfered from a 3rd party and once the file transfer is complete it will create a indicator file (0 byte eg: CRV.DONE file) which indicates the CRV.data transfer is complete.
In my workflow I will be waiting for the CRV.DONE indicator file and once it is avaiable I will start loading the CRV.data and once the load is completed I will delete CRV.DONE file and be ready for the next day load.
Please let me know if there is any way in SQL Server 2005 to achieve it.Thanks
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Jun 11, 2007
Hi. We are migrating a mainframe datacom database to SQL Server. One of our client-server applications already uses SQL Server. This application uses a middleware product to query and update the datacom database being migrated. We are considering using Service Broker to replace the middleware.
In many cases the client does not need a response provided the message is queued and will eventually get delivered. However, in some cases the client would like to wait for the message to be processed before proceeding. Is there an easy way to both submit and optionally wait for a response - with data - in a single stored procedure? If client does not want to continue to wait, is there a way to use a procedure to check for the returned message later?
We have not used Service Broker before and are doing for a "sanity" check before proceeding. We do not want to tightly couple the two databases at this time.
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Dec 11, 2007
I have installed performance dashboard on 2 different servers. The first server have User Session CPU Time 71% and Wait Time =28%, The other server have Cpu Time of 20% and Wait Time of 79%. Have I understand that stands in SQL Server Waits And Queues that I have some typ of wait problem in my second server?
Then I tries to run this
Select
'%signal waits' = cast(100.0 * sum(signal_wait_time_ms) / sum (wait_time_ms) as numeric(20,2)),
'%resource waits'= cast(100.0 * sum(wait_time_ms - signal_wait_time_ms) / sum (wait_time_ms) as numeric(20,2))
From sys.dm_os_wait_stats
First Server
%signal waits %resource waits
--------------------------------------- ----------------------------
0.07 99.93
Second Server
%signal waits %resource waits
--------------------------------------- ----------------------------
0.12 99.88
Messy in my head€¦ Help please
My second server have
CLR with 50% in the historial wait. Rest in Sleep
My first server have
99% in sleep wait category.
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Sep 30, 2004
I'm doing an update on a table with about 113m rows, the update-statement is fairly simple: update tab set col = null where col is not null.
The col column is mostly null.
Sysprocesses shows three rows for this statement: 1 CXPACKET (its a dual processor, 2000 box with sp3 installed), 2 PAGEIOLATCH_SH (waitresource is filled). My guess would be that the where-clause is executed in a seperate process blocking the update.
I changed the statement into update [...] set col = null; sysprocesses shows one row with PAGEIOLATCH_SH. Executing forever.
I checked other processes including those outside sqlserver but none are using the db, let alone accessing the table involved. Even restarted sqlserver to be sure there's no dead process blocking the update. Didn't help.
So I added a search condition to the where-clause, involving a clustered index in order to reduce the rowcount. The execution plan shows a 97% hit on the clustered index, but sysprocesses shows the three rows again...
So far the profiler didn't help me out either: there's a SP: CacheInsert on the update-statement... then nothing.
What should I do?
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Jan 14, 2005
I have an ASP.NET web application that hangs on a single database UPDATE command for 5+ minutes. I can see this occur in SQL Profiler. This is a one row UPDATE statement on a small table (~600 rows). There are no JOINs or sub queries. There are no other users using the system. During this 5+ minutes, I can see the job in Enterprise Manager with a wait type of NETWORKIO. Since both IIS And SQL Server are running on the same system, the network shouldn't be an issue. Any ideas?
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Sep 29, 2006
Hello, my first post??
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Jan 6, 2008
I setup a SQL Agent to send me an email when the Average Latch Wait Time is greater than 300ms. Now I receive an email every 15 seconds stating that the current ALWT is 3916ms. That value never changes with the emails. However, the perfmon shows nothing at all (shows zero).
I also have a Buffer cache hit ratio of 2848.00.
These numbers are when there is NOBODY on the DB at all It is just sitting there. When I reboot the server, as soon as SQL starts it starts to send the emails again.
Server: Intel Xeon Quad Core 2.66
RAM: 4GB (with /3GB in the boot.ini)
RAID 1: OS
RAID 1: Data (DB and logs)
CPU Utilization: 0-1%
RAM Utilization: 527MB
OS: Server 2003 R2 With SP2
SQL: 2005 Standard with SP2
How can I determine if the ALWT is really 3916?
I executed 'Select * from sysprocesses where SPID>50 and waittime>0'
Which showed;
BROKER_RECEIVE_WAITFOR
waittime=110640ms
waittype=0x0075
status=suspended
program_name=DatabaseMail90 - Id<3780>
Any assistance is greatly appreciated.
Thank You
Magnum
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Jul 20, 2005
Oracle has a 'wait interface' for monitoring bottlenecks, etc... does SQLServer have utilities like this?
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Feb 1, 2007
Hi,
I have a data-flow-task that imports data to sqlserver.
Now I want to check, if a special column of an imported record is null.
If yes, I have to wait 10 minutes and jump to the data-flow-task again. (Cjeck and wait).
How can I do this with the integration services?
Thanks
Gerd
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Mar 7, 2008
We have a few SSIS jobs that we are currently manually kicking off after we are sure that certain AS400 jobs have run. We want to completely automate this process, so that we don't have to babysit. What is the most efficient way to do this? In the past (on SQL Server 7 no less) I've seen the 400 job setting a flag to 'Y' in a 400 file, FTPing it down to a flat file, and then the SQL job running every five minutes checking the flag. When it was 'Y', the SQL job would run. We do not have the option of using FTP here. Any suggestions would be appreciated! After the job runs, we'd like it to kick off a report as well
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May 16, 2008
So, I'm fairly new to SQL, and I'm working with a SQL2k5 Database with pre-made packages and what-not. This database was setup before I started this job, and now I'm trying to improve part of the processing in SQL, and so far so good, but I can't figure a couple things out.
The main problem is when I start a SQL command to launch a DTS package from a .sql file, how can I make it wait for the package to complete or fail before moving onto the next part of the .sql script? Hope it's a simple question, I've just taught myself enough SQL to get by in a couple of weeks.
Thanks!
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Dec 14, 2007
I am tring to fiqure out how i can run a TSQL and the have it start again 60 sec after it compleats, without me have to push the button. I just need it to loop over and over until my data is deleted. I have to do it this way so my site will still allow customers to login and I need the break so they can. Any help would be great.
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Jul 5, 2007
are there any tasks in SSIS that watches a folder and waits for incoming files?
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Jun 8, 2006
I have re-initialize some subscription. After generated snapshot successfully, the synchronization view showing 'The process is running and is waiting for a response from the server.' and I found the replication process is under 'async_network_io wait'. The job has run for more than 8 hrs. Any idea to improve it? Thanks in advaise.
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