Long running updates and lock escalation

I have a question about locking when updating tables from SAP on a MSSQL2005 database.
Once a month we have a report for updating several rows (1 mio) on a special ledger table.
This report is taken the update as one transaction because of the possibility for rolling back. It is ledger data so we want to keep the update safe.
When running this report the online users has access to the same table. The users can make INSERT into the same table without any problems.
But after 15-20 minutes runtime the whole table is locked by a table lock instead of row locks. Therefore the users goes into a "hanging" situations when trying to make INSERT into the table. The locks are held until our program has finished.
Is there any way to raise the level of row locking escalation on a MSSQL2005 database?
I have found the trace flag 1211 and 1224 but is it safe setting this on a production database?

Hii,,
I would suggest you to run the report when the users are not there as it is related to ledger table.
just schedule it at the low peak times.
Also the trace flags that you have mentioned can be harmful also
so i would better recommend not to use it.
Please refer to the link
http://blogs.msdn.com/sqlserverstorageengine/archive/2006/05/17/Lock-escalation.aspx
Also if u want to activate these traces I would recommend to talk to SAP before that
Rohit

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Call long running process and return immediately

Hi everyone,
Here' my problem : I am calling an onDemand application process when clicking on a button. It's a very long running process; and while waiting for the response my browser stops responding (white page).
So, is there a way to call a process and return immediately to the javascript. The process will set a field to a given value when it finishes. In javascript side, I can then check in a while boucle the value of this field to know if the process has ended.But I dont know how to return just after the application process call ...
Thanks and best regards,
Othman

I presume that you can achieve that by means of a batch job.
You can use an automatic page reload every X seconds until a certain "flag" (or similar mechanism) changes state and check it in a before header process. In the meanwhile you can display some animated GIF for instance.
Once the processing is completed you remove the reload timer from the header or you branch to a different page using a programmatic technique like procedure owa_util.redirect_url.
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Flavio
http://www.oraclequirks.blogspot.com/search/label/Apex

Running slow and locking up, additional tests for hd, memory?

My iBook has slowed to a crawl recently, and I suspect hardware problems, maybe the hard drive or memory. I've tried all hte usual things (disk repair, fix permissions, reinstalling the last update, running in safe mode) but the computer runs slow and at times just stops -- earlier today it stopped responding or refreshing anythign but the spining ball for >20 min, at which point I did a hard reboot, and it took it almost another 20 minutes to reboot. I've run the hardware tests from the utility disk a few times but nothing shows up. The only thing of note in the system log is that lookupd seems to die and restart pretty often, and around when it locked up earier today there are lots of messages about "IOATAController device blocking bus."

It took it more than 10 minutes to boot and for me to log in this time, and a few more minutes to display the contents of the hard drive, but when I finally got Disk Utility up, it still said SMART Status: verified. However I hit the "verify disk" button, and the computer has been locked up for about 10 minutes now with nothing more than 'Verifying volume "Macintosh HD"' in the status window and nothing but the spinning beach ball when I try to do anything else. I'll let it go and see if it ever recovers.
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7.1.1 Update and Locked Screen Stopwatch

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This was working properly before the update.

[UPDATE]
Sorry about misleading you and anyone on this forum. I should have double checked what was really wrong with my phone before posting this. It was not the stopwatch that had a problem of not showing on the lock screen, but it was the Timer that did not show on the lock screen after the 7.1.1 update. After I did a reboot (shutting the device of and power it back on), this corrected the issue and now I see the Timer on the lock screen.

I just took my I-Pod touch to a computer repair shop to replace cracked screen and now am told main part of I-Pod needs to be replaced.volume button no longer works, headphone and locking device also no longer working. Even though it all worked when given

I just took my I-Pod touch to a computer repair shop to replace a cracked screen. Told it need the main part to it. They said the volume button, headphone and locking part no longer worked. Told me to pick it up. When I gave it to them all components were working. Said because they weren't able to fix it there was no charge. Don't understand this.

Probably when you dropped, kicked, smashed, threw, or whatever you did to break your screen it also damaged the logic board and the connections to the volume button, headphone jack and sleep button. Happens all the time. Apparently the shop you selected to work on it is not very good so take them off your shopping list.
Then go buy a 5th Generation iPod Touch.

Long-running transactions and the performance penalty

If I change the orch or scope Transaction Type to "Long Running" and do not create any other transaction scopes inside, I'm getting this warning:
warning X4018: Performance Warning: marking service '***' as a longrunning transaction is not necessary and incurs the performance penalty of an extra commit
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Where are these persistence points happen, especially in LR orchestration?
Leonid Ganeline [BizTalk MVP] BizTalk Development Architecture

The wording may make it sound so but IMHO, if during the build of an orchestration we get carried away with scope shapes we end up with more persistence points which do affect the performance so one additional should not make soo much of a difference. It
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Microsoft marketing Long Running Transactions/Compensation blocks as USP's for BizTalk, people did get carried away into using them without understanding the implications.
Not saying that there is no additional persistence points added but just wondering if adding one is sufficient to warrant the warning. But if I nest enough scope shapes and mark them all as long-running, they may add up.
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cause more issues.
Regards.

Long Running SQL and ORDS Spawns Multiple Database Sessions

Hi all.
We have a strange situation when accessing a long running SQL Report (a single APEX Page).
The SQL takes about 15 mins to run but when I monitor what database sessions are spawned by the APEX Listener, I see multiple sessions all executing the same SQL. It appears that after 6 minutes, the APEX Listener spawns a new database session to execute the same SQL.
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Duncs

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Long running Update-Statement

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SQL-Developer is running on WinXP
Oracle is Oracle9i Enterprise Edition Release 9.2.0.7.0 - 64bit Production
and this was the statement (witch is updating 2830 rows):
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and p2.p_nr = p1.p_nr)
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Mmm, read up on the "NLS_COMP set to ANSI" threads.
Try setting NLS_COMP to binary for the session, then run your update and see if that fixes the issue. If so, the forthcoming patch will probably fix the issue, else get back here...
K.

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Craig,
Thanks for the tip. I'll call my customer to make him try it. I will know
in a couple of days.
Abel Julien
> My guess is that you are all of a sudden pulling info from a remote replica.
> Enabling the option "Always Evaluate Referals" in your launcher configuration
> may help. This will force ZEN to try and ensure it is using the closest
> replica.
>
> Normally this is set to off since it does add a little overhead, but if you
> are accidentlally crossing some slow links, it could be a real help.
>
> [email protected] wrote:
>
> > Hi,
> >
> > I have ZfD 3.2 and I use NAL explorer to find and deliver applications. It
> > works just fine most of the time but, from time to time, it can take
> > extremely long to find the applications (15-30 minutes).
> >
> > This installation is in a large tree with containers spread all over a WAN
> > and I have the local OU with the option "set as top of configuration tree"
> > checked. I have to use groups to associate applications to the users but
> > they are in groups don't expand the local partition.
> >
> > I have not been able to find a cause/effect relationship. I get it working
> > fine and wrong in the very same workstation during the same day. Also,
> > there seems to be no different among users.
> >
> > Any suggestions? It would be interesting to be able to track what the hell
> > the application launcher is doing when it does not find the applications.
> >
> > Thanks
> >
> > Abel Julien
>
> --
> Craig Wilson
> CNE3, 4, 5 - MCSE - CCNA
> NSC Sysop (http://support.novell.com/forums/)
>
> Tech Writer - http://www.ithowto.com
> (I Peter 4:10)
>
>

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mrswalt wrote:
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Replies aren't online 24/7 because of Time Zone differences.
Remember in this Day and Age of Computing the Internet is Knowledge at your fingertips if you choose understand it. -2015-

HT5567 Tried several times to run update and it always comes back attempt failed. Now what?

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See these threads and pages about searchqu/searchnu:
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*[[/questions/790833]]
*[[/questions/921690]]
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Long running updates and lock escalation

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