FCE and a separate monitor problem

I have a Mac AND a separate monitor.
I like to work with the browser only on the 17" monitor, along with all my icons, and have the compositing version of FCE on the ginormous Mac screen.
Every time I open FCE, tho, it forms itself in total on the smaller monitor screen and I have to drag the individual components of FCE over to the big screen. This takes up 23 seconds of my valuable time and exhausts me for the day.
My last project opened perfectly on the big screen with the browser snugly on the small jobbie. So at some time I must have done something accidentally right. (Story of your life, says my wife.) But I don't remember now what I did.
Can you help?
Thank you.

Than you, Tom. That worked, of course, perfectly.
I might add that, thanks to the excellent instruction in your book, and your help in this forum, my grandson the embryo director, was able to proudly show the high school cast of "A Bad Hair Day" his grandfather's first FCE editing work and first documentary, "The making of A Bad Hair Day" last Saturday. They loved it.
Thank you Tom.

Similar Messages

New eMachine w/Windows 7 and HP f1703 monitor problem

Truly fed up at this moment, and not really tech savvy, but will try to be brief with problem:
Had an HP Pavilion a767c which came with f1703 monitor - purchased around 2005 or so ... ran great, no problems, monitor functioned beautifully. Had some storms come through area about 2 weeks ago, lost power several times, a767c started acting up (shutting itself off at night, but would come back on ... finally died, went through all the diagnostics, yesterday decided to purchase new controller, got an emachine at Best Buy, want to use HP monitor).
About a minute into boot, f1703 changes from a "starting Windows" message to a "PC video resolution setting out of range" moving message ... never comes up to Windows desktop screen. If I plug in an older CRT type monitor, everything comes up fine. Have checked Control Panel, shows emachine hooked up to generic monitor ... found resolution settings, they are set for the 1280 x 1024 and made sure was at 60 Hz. Just went through the diagnostic procedure here on HP for message during boot ... do not get any OSD when Menu button on monitor pressed ... I don't believe we've EVER pushed/accessed this feature in all the years we've had the monitor ... so I'm stuck at this point in going through diagnostics.
Any help greatly appreciated.

Dave, so sorry, but telling me my monitor is "VGA only" really isn't helping my confusion (original post did state I'm not too tech savvy). I had my stepson (who is more tech savvy) work with the link you provided previously to download updated driver info from Intel. Here is a rundown of everything we worked on yesterday with this beast:
As a recap - if I hook up the f1703 directly to the emachine (video port states HDMI on back panel) and boot the machine, get the normal starting boot display and also a "Windows starting" display ... before the desktop screen comes up, the monitor goes into an error message stating resolution not set correctly at 1280 x 1024 @ 60Hz. From that point, I never get to the desktop, the monitor is basically frozen. emachine is running Windows 7 64bit.
Pressing F8 during boot will allow me to get into Safe Mode, but in Safe Mode I can't download anything, and I'm very limited in what I can/cannot change.
If I hook up an old CRT style monitor FIRST and boot the emachine, everything comes up normally ... I was able to find the HP f17093 driver in Windows 7 and get that driver set up with the 1280 x 1024 @ 60Hz resolution. AT THAT POINT, if I unplug the CRT and plug in the f1703, I can use the computer normally and the display is excellent ... so to my way of thinking, there has to be an issue with some video command during boot that is sending a false signal to the monitor. Make sense???
I hooked the f1703 up to a different emachine (also running Windows 7) and I have the exact same problem ... locks up during boot before desktop screen. For the heck of it, I'm going to try hooking the monitor up to a Sony Vaio laptop running Vista later tonight to see what, if anything, I get with that.
Downloading the updated driver info from Intel really didn't accomplish anything positive ... although the Intel site stated there was updated drivers available, after downloading the emachine had picked up some kind of generic flatscreen driver to use and same issue existed, so that's not what's doing it.
Oh, one other thing: after getting the complete boot on the CRT, then switching plugs to hook up the f1703 I was able to access the monitor's OSD menus ... went through and reset to factory settings ... no difference ... monitor still hangs during boot when hooked up first directly.
Dave, when you said VGA only, are you trying to tell me the output on the video card is not correct for the f1703 monitor? Sorry, I just don't understand the HDMI stuff (what that is in layman's/idiot's terms). Do I have to have a different video card? Adapter?
Thank you both (CherylG and Dave) for your patience and assistance ... this is just so frustrating. I used to understand alot more back in the DOS/CPM days.

Alsa , via82xx and IEC958 Capture Monitor problem

first of all hello all as this is my first post on this great archlinux community and im here to stay i hope , well my first comment is to all the people needing help on installing the alsa and using the via82xx module , well it tooked me like 2 hours to find out why i was not beeing able to hear the music even when xmms was playing it and finally find out (on the mepislovers forum) a problem when u install the alsa by default it puts on the iec958 capture monitor and u need to put it off so your sound starts working , i was just about to give up on installing the sound as i did step by step configuration on the wiki and on the alsa guide without getting it to work , finally dont know how i ended up in the mepis forum and looked all the people that with just turning off the capture monitor were able to get the sound working.
well thats all and see u all around

I have the same problem!!
The IEC958 monitor always ON and I can hear anything.... I put it off through alsamixer and quit, execute alsamixer again and IEC958 is turned on again....
But somethimes when I raise the master volume on 100% the sound comes back...
I hope that other friends can help us....

HT202856 Mac Pro Late 2013 and Samsung 4k monitor problem

I have the new Samsung 28" 4k screen (U28D590D) and it has tearing along the right edge when used with displayport. Any way to fix that? I tried different cables (all DisplayPort 1.2 complient) to be sure and have narrowed the issue to the Mac Pro. The HDMI works fine tho only @30hz so is a bit laggy in normal interaction. There is no way to turn on Multi-stream as indicated and I hope it isnt that this screen will never work.

nMP(late 2013) can't change graphic card...
I also have a problem when using the AMD card on My Mac Pro (Mid2012) OSX 10.9.3,
however, Windows(Bootcamp) OR with Nvidia GTX 760 4K 60hz OSX, Windows both working very well.
Probably... AMD OSX driver issue..

X240 (Win 8.1) w/ Ultra Dock and two external monitors connected via DisplayPort problem

I'm having trouble making this combination work. This Ultra Dock does have two DP connectors, computer sees both external monitors (HP ZR24w) but I cannot get any picture on both at the same time using DP. Sometimes one display does work, but that is not always working.
When I connect same monitors via VGA/DSUB and DP (with Lenovo DPtoDVI converter) I can get this to work - both same time - , but I'd prefer them both digital and both native DP as both monitors do have that port.
Ultra Dock does already have the latest firmware and this problem seems to not relate to the flickering problem with T440 etc. X240 is also running latest UEFI/BIOS and I've also tried latest Intel Beta display driver, no effect.

shelmers wrote:
W520 with Win 7 Pro
Minidock Plus Series 3
Two Asus monitors attached via DVI
Let me start by saying that the internal and both external monitors work simultaneously. However, getting to that state is the problem.
I can boot successfully with the laptop in the dock with 1) just the internal monitor, or 2) the internal and one external monitor connected.
However, if I try to boot with both monitors connected via DVI, the following happens:
Windows logon screen appears -- but there is no cursor on the screen
I enter the password and the login continues for 30-60 seconds, then
Blue screen SYSTEM_SERVICE_EXCEPTION for nvlddmkm.sys with STOP x0000003B
Lenovo has replaced the dock with no change in behavior.
Drivers and BIOS are current.
Most recent change was to set BIOS so Win 7 automatically detects Nvidia Optimus.
At this point, my best workaround is to disconnect one external monitor whenever I need to reboot, and then connect it again after everything is runing. Not terrible... but it really shouldn't be necessary. Any suggestions?
If you want to drive the monitors in the manner stated, the BIOS Display property must be set to Discrete and the auto detection below it must be disabled.

My ipod sounds as if it has interference when on docking station.....3 other apple devices work with no such problem...i.e nano ,classic and 2x separate iphones, with no problems .I have been given a 2nd ipod touch replacement, it plays with interference

ipod problems
My ipod sounds as if it has interference when on docking station....3 other apple devices work with no such problems, i.e a nano. a classic and 2 separate iphones so the problem doesn't seem to be the docking station...I have been given 2 reolacement ipods and the sound persists....it is obviously the connection.....as before downloading any data on the new ipod I docked it and the noise was present ....mairiskye....

- Is it a 4G iPod? That model sometimes mates poorly with dock because the configuration of the iPod by the dock connector is different that other devices. Thus, make sure it is fulld/seated in the dock.
- Have you brought the iPod and dock to the Genius at the an Apple store.

HP Pavilion tx2510us Monitor Issues and possible motherboard problems

Hey folks
I'm having some major issues with my notebook and I need it to be working ASAP, since I use it for a lot of school work.
I've owned it for a few months, after my brother wiped it and installed windows 7 trial version, and it's had a few chronic issues plague it:
- Sometimes when USB devices are plugged in it freezes
- Graphics driver occasionally fails
- Monitor will sometime become full of random characters and crash (rare)
- Minor heating issues
These problems make me suspect the motherboard is faulty. Most recently, I turned it on this morning, worked fine, no overt problems... and now, the monitor refuses to turn on.
-All the blue lights come on
-The fan quietly whirrs away with no variation in pace
-the light next to capslock and above the end key blink regularly, at the same time
-The computer is utterly unresponsive in this state save for the sliding power toggle.
I've tried to plug in another montor, I've attempted a hard reboot (taking out the battery, putting it back in after 5 minutes, running it without the battery...) and I'm not sure what I should do at this point.

After a little research, I've narrowed the issue down somewhat.
When I turn the unit on, the fan whirs, the LEDs light up, and then the Caps Lock and Num Lock blink in this squence:
ON for 1 second
OFF for 3 seconds
REPEATS
After reading this (http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&dlc=en&cc=us&lang=en&product=3747931&docname=c01732674) I believe this is blink code 1 - can anybody verify this and give me some info on what I can do to replace the CPU? The last time I called HP tech support it was a very unpleasent experience and I want to avoid it if possible.

Weird problem with Macbook Pro 15" and Asus PB278 monitor

Hi there
I recently bought a brand new MacBook pro 15" the one with a dedicated nvidia 750 vid card. However I'm facing weird problems while connecting it to a external monitor Asus PB278 (1440p monitor). I use a mini display port to display port cable.
My problem is: Sometimes it works perfectly, but then if I put the laptop to sleep, sometimes it won't recognise the screen at wake up, at first I tried to restart the system, power on and off the monitor, connecting and reconnecting the cable... nothing worked. I even bought a expensier cable thinking it was probably a low quality cable. I found that then only way to fix this is to connect the monitor with a mini display to HDMI cable I have (won't support over 1080p), and then put the mini display to display port cable again... it is freaking bizarre.
This is very frustrating, I live outside the US and while the retailer will honor the guarantee I'm not sure if this is a Software or Hardware problem, It will take them about 3 weeks to replace my system which is unfortunate due to I have plenty of work to do. I don't want to send it on guarantee just to find out hey... display recognition is broken again. My questions are:
Is there a way to know if this is a hardware or software problem?
I've heard Yosemite is having some issues regarding external displays, is this one of those?
Have you found yourself experiencing this problem? Could you fix it?
Sorry if my english is a bit weird, thanks in advance.

Hi Gatobolo,
Thank you for contributing to the Apple Support Communities.
It appears that you've discovered unusual behavior with your MacBook Pro and an external display, where you need to temporarily connect a different display adapter before you can use your Asus PB278 again.
I can offer some additional tips to help resolve or further isolate the issue you're seeing.
First, try the following resets to see if they eliminate the behavior:
You can reset the Mac's parameter RAM and SMC.
Next, if the issue occurs again, try restarting your Mac into Safe Mode:
Start up in Safe Mode.
From the Apple () menu, choose System Preferences.
Choose Displays from the View menu to open the preferences pane.
Select any resolution and refresh rate that your display supports.
Restart your computer.
You can find the steps above in this article:
Apple computers: Troubleshooting issues with video on internal or external displays - Apple Support
If your display is recognized in Safe Mode, or after restarting again, the issue may be due to a software conflict.
Another suggestion mentioned in the article above is to try a different type of display adapter, such as a Mini DisplayPort to Dual Link DVI adapter.
If the issue persists, you can also back up your data, erase your hard drive, and reinstall a fresh copy of OS X Yosemite.
OS X Yosemite: Erase and reinstall OS X
If the issue still occurs after a clean install, troubleshooting the hardware may be necessary.
Best Regards,
Jeremy

After installing Snow Leopard on MacPro with 23" HD monitor I have noticed an anomaly when scrolling up or down, a horizontal ripple appears briefly, I have tested other browsers and there is no problem, only in FF 8. What is causing this?

After installing Snow Leopard on MacPro with 23" HD monitor I have noticed an anomaly when scrolling up or down, a horizontal ripple appears briefly, I have tested other browsers and there is no problem, only in FF 8. What is causing this?

Hi applecore_eater,
When Leopard came out, machines were shipping with Tiger for 3-5 months after it's release. So the fact that you bought a machine with Leopard still installed is not uncommon, especially considering we're not even a month into release. Matter of fact, I'd be surprised to see a lot of machines (unless CTO) that are coming with Snow Leopard.
The battery issue is not specific to Snow Leopard or the MacBook Air. I've deployed SL to about 15-20 MacBook Airs and all of them have been perfectly fine (batteries).

M93p dual monitor problems; monitor turns off and cannot be turned on again

Hi,
we have multiple M93p tiny computers causing problems in dual monitor setup (VGA / Displayport->DVI). Our users (already >5) keep telling us, they leave their workplace, return, then DVI attached monitor if off and they do not find a way to turn it on. This is true; the only workaround that has been found by our users is to bring Win7/32bit into standby mode and awaking it again.
Needless to say, we turned all windows energy saving options off (computer standby/hibernate, monitor turn off). Still the problem appears.
Maybe there is something wrong with DVI power/DVI signal?
- Monitor independent, as far as I can see
- Independent from Windows energy saving modes
- BIOS updates did not help
[todo]: Try Intel/(AMD?) drivers, let users test.
I haven't seen exactly when the monitor turns off because it is reported by users. I had a testing machine, but was not able to reproduce.
http://forums.lenovo.com/t5/A-M-and-Edge-Series-ThinkCentre/Dual-monitors-problem-VGA-and-Displaypor... is related.
Anyone?
Thx

Make a "Genius" appointment at an Apple Store to have the machine tested.
Back up all data on the internal drive(s) before you hand over your computer to anyone. If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
Keeping your confidential data secure during hardware repair
*An SSD doesn't need to be zeroed.

Separate monitor and keyboard

Hi. I was just about to get the IMac 24" and then took a look at the MacBook Pro 15". It would be nice to have the portability of the notebook to take downstairs or travel with. Does anyone use a separate monitor and keyboard for their MacBook? I don't play a lot of games but want to make sure that I have enough power to run my photo imaging software. Would the basic MacBook Pro be OK or should I upgrade to the next level? Thanks!

i have that basic and it works great.. i take mine to the office and plug it into the VGA monitor and use the an external keyboard and works like a charm.
cheers

I upgraded to 10.10.1 today and the brightness dimmed on my mac monitor - I've checked both display and accessability and dont see a problem. My second monitor which is not a mac monitor is bright still.

I upgraded to 10.10.1 today and the brightness dimmed on my mac monitor - I've checked both display and accessability and dont see a problem. My second monitor which is not a mac monitor is bright still.

Try resetting the PRAM and SMC
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM

My new macbook air and new thunderbolt monitor will not work together. the keyboard will not engage and the monitor screen keeps going black. is it a problem with the monitor, connection, laptop?

my new macbook air and new thunderbolt monitor will not work together. the keyboard will not engage and the monitor screen keeps going black. is it a problem with the monitor, connection, laptop?

A new Mac comes with 90 days of free tech support from AppleCare.
AppleCare: 1-800-275-2273
Call AppleCare. They will help you.
Best.

Activity Monitor problems increase CPU and power burn

Migration Assistant worked very nicely, transferring from a Powerbook G4 with 30GB of files and data in about 45min via Firewire.
However, after 2 days of usage, the CPU was still running at 80% and applications were incredibly sluggish. My battery calibration at full charge only showed a little over 1 hour. Activity Monitor also would not show any processes -- the list was completely blank.
The solution was to rename the Preferences folder, allowing programs to create a new Preferences folder. I then selectively populated the new folder with the main old preferences for mail, Safari, etc. This not only solved the Activity Monitor problem, but immediately drove down the CPU usage to about 10% where I'd expect it. Now the battery shows over 2.5 hrs on a full charge with the screen on full brightness (and it's BRIGHT!)
Also, Microsoft Word/Powerpoint/Excel/Entourage: trial software on the MacBookPro will mess up your migration, so delete the trial software BEFORE MIGRATION ASSISTANT.
Hope this helps some of you out there!

Another thing users who run Migration Assistant should know is that many of your background processes and helpers may slow down the Macbook.
For example, I notice that a bunch of PowerPC menu items running under Rosetta slowed things down. Also, the Microsoft Office Autoupdate background process, which is started from System Preferences > Accounts > Login Items constituted one Rosetta process running all of the time.
When I remove/disabled these background processes, I noticed a significant difference.

ORACLE SERVER AND UNIX TP MONITOR-2

제품 : ORACLE SERVER
작성날짜 : 1995-01-24
Subject: Oracle Server and UNIX Transaction Processing Monitors-2
Page(3/4)
This file contains commonly asked questions about Oracle7 Server and UNIX
Transaction Processing Monitors (TPMs). The topics covered in this article are
     o Oracle Parallel Server and TP Monitors
     o Oracle and DCE-based TP Monitors
     o Other commonly asked questions
The questions answered in part 3 provide additional detail to the information
provided in part 1.
Oracle Parallel Server and TP Monitors
======================================
How does Oracle Parallel Server (OPS) work with TP Monitors?
If you are using Oracle-managed transactions, there are no special
considerations. But if you are using TPM-managed transactions, and
thus need to use the XA interface, then Oracle requires release 7.1.3
or later and a special version of the Distributed Lock Manager, called
the session-based lock manager. This version of the DLM is not yet
available for all platforms. To understand this restriction, let's take
a look at one of the technical details of XA.
The XA specification requires that the Resource Manager be able to
move a transaction from one process to another, and even to be
able to commit in a separate process. In Oracle, transactions are
attached to sessions, so that means that we also have to be able to
move sessions. Therefore, the session/transaction can't have any state
which is tied to a particular process. The first generation distributed
lock managers were all built to use the process id as the lock owner,
which doesn't work for locks which need to move with the transaction.
Oracle and DCE-based TP Monitors
================================
How does Oracle interface to the Encina TP monitor? To CICS/6000? I've
heard that they require OSF DCE facilities in order to run?
Oracle interfaces to Encina and CICS/6000 just as it does to any other
TP Monitor. The TP Monitor issues XA commands to control transactions, and
Oracle executes the commands. Encina and CICS/6000 do use DCE features for
their own operation. However, this use is transparent to the Oracle Server.
What DCE facilities can Oracle products take advantage of when working with
a DCE-based TP Monitor?
The two most commonly mentioned DCE features which might be useful
to Oracle users are multi-threading and security. We look at these in
the subsequent questions in this section.
Encina documentation suggests that a Resource Manager such as Oracle can
be either single-threaded or multi-threaded? Which way is Oracle XA
implemented?
The Oracle XA implementation is single-threaded, as is any Oracle client.
Within a single process, at most one thread can access Oracle at a time.
Does that mean that only a single Encina application can access an instance
of Oracle transactionally at any given moment?
No. Oracle XA is only single-threaded within a single application server
process. Multiple applications can access Oracle simultaneously using XA
by using different application processes. Encina allows
(1) serial reuse of a single server by different clients. There are
two options for this. The server can use long term reservation
but be defined to be in shared or concurrent access mode, which
allows the server to be used by another client as soon as an RPC
completes. Alternatively, the server can use default reservation
and exclusive mode, which allows the server to be used by another
client as soon as the current transaction ends.
(2) concurrent execution by multiple servers, even if they are accessing
the same Oracle database. These may be executing the same or different
procedures.
These two features should let you get as much concurrency as you need.
Why isn't the Oracle XA library multi-threaded?
The XA specification specifically states that its use of the phrase
"thread of control" means a process. If an RM were to multi-thread its
XA, it would be in violation of the specification. This restriction
was put place in because at the time the specification was written,
there were numerous thread packages: if the TM used one, the application
another, and perhaps the RM yet a third, there's no way it could work.
As threads standards settle down, the later versions of XA will probably
relax this restriction.
Will Oracle change if the XA specification changes?
Very likely. The exact time frame will of course depend on the priority of
all work items at that time.
Does Oracle use DCE security via the TP Monitors?
The integrity of the connection between a DCE TP Monitor client and DCE
TP Monitor server is protected by the DCE security functionality.
Theoretically, the TP Monitor could make the DCE-protected client security
information available to Oracle. Unfortunately, there's no standard way
for a TP Monitor to pass security information information to a Resource
Manager such as Oracle. Oracle is leading an effort to extend the X/Open
model to allow use of the security information provided by the Monitor.
In the meantime, the basic DCE security features such as encryption are
useful within TP Monitors.
Effective use of DCE security would normally also mean that the security of
the TP Monitor client be passed through the TP Monitor, through the Oracle
client (application server), to the Oracle Server, and possibly on
to other Oracle Servers through database links. The ability to transfer
security information to other processes, called delegation, is missing
in DCE version 1.0. DCE version 1.1, expected to emerge in late 1994,
has some delegation features. Oracle is examining these features to see
how they might be used.
Are there any special considerations for CICS/6000?
There are two:
(1) It is inefficient to run without XA. CICS/6000 is designed to
use XA. It uses XA so that the CICS server can log on to Oracle
when it starts, after which it makes that Oracle connection available
to any transaction it executes. If you don't use XA, the CICS server
does not itself log on to Oracle so each transaction has to log on
and log off - a very expensive mode of operation. Also, it is very
un-cics-like in that the application does the log{on,off} and also
commits - in a mainframe CICS database program CICS would implicitly
do these operations. Oracle does not recommend this mode because of the
performance penalty.
(2) CICS servers are generic and dynamically load application modules.
In order for these modules to access the Oracle connection made by
CICS, the applications must be built with a shared object version of
the Oracle libraries. This is an installation option on platforms which
support CICS/6000 and other products using its architecture such as
CICS 9000.
Other commonly asked questions
==============================
What other Resource Managers can be included in an Oracle XA transaction?
Several other relational database vendors have an XA implementation
available or in progress. There is an XA C-ISAM product from
Gresham Telecomputing. There are also Resource Managers contained
within some of the TP Monitors which can be coordinated in the same
transaction. For example, CICS/6000 has VSAM files and other data
stores, Encina has its RQS queuing system, and Tuxedo has its /Q queuing
system.
What is Recoverable Queuing Service (RQS) and how does it interoperate with
Oracle7 and Encina? What about /Q?
Recoverable Queuing Service is a feature provided by Encina which allows
transactional, distributed queuing (enqueue/dequeue). Tuxedo has a similar
product called /Q. Because these products are themselves coordinated by the
TM component of the TP Monitor, their queue operations are atomically
coordinated with with operations on XA Resource Managers such as Oracle7
Server. That is, they can atomically put something on one of their queues
and commit an Oracle transaction, then at some later time dequeue an
entry atomically with doing some other Oracle transaction. The queue
system guarantees that the message will not be lost or transmitted twice.
Can I mix TP Monitor applications with standard Oracle7 Server applications?
Yes, you can have existing Oracle applications connected to the database
with alongside TPM applications against the same database. The TPM does
not manage the whole database, just those transactions which are started
by the TPM. The Oracle Server will properly handle concurrency control
between the transactions managed by itself and those managed by the TPM.
Is Oracle planning to change its tools to be more suitable for TP Monitors?
With Oracle Procedure Builder 1.5, to be available with CDE2,
Oracle will provide a foreign function interface that allows you to
dynamically set up PL/SQL calls that access C functions. In other
words, you can access C routines in Windows DLLs from within your
PL/SQL procedures. This will allow PL/SQL under Windows easy access to
TP Monitor APIs.
Does Oracle7 Server itself use XA-compliant TPMs as the interface to
foreign RMs?
No, for this purpose Oracle Server uses the SQL*Connect products or the new
Transparent and Procedural Gateway products.
Does Oracle7 Server use XA to coordinate Oracle7-only distributed
transactions?
No, it uses an internal mechanism.
Can database links be used with XA?
If an Oracle7 database is running under XA, it can access other Oracle7
databases through database links, with some restrictions. First, the
access to the other database must use SQL*Net V2 and be running MTS.
Second, it must currently be to another Oracle7 database. Assuming those
restrictions, the Oracle 7 database can do distributed update to another
Oracle 7 database by using a database link, whether it is started by an
Oracle application or a TP Monitor application. The TPM will see Oracle
as only a single RM, but Oracle7 will propagate all the transaction
commands to the other database, including the two-phase commit. If
the transaction is started by a TP Monitor application and is using XA,
it can also update non-Oracle resources managed by the TPM. If it
is started from an Oracle application, it can only include resources
managed by Oracle.
Here's a sample configuration:
| TPM | | TPM |
| client | | client |
| |
| |
| TPM |
| |
| |
| Oracle | Forms, Forms, | Oracle | | non-XA | | XA |
| client | Plus, Plus, | client | | TPM | | TPM |
--------- Pro, Pro, --------- | server | | server |
| Financials, Financials, | |(note 1)| ----------
| etc. etc. | ---------- |
| | | |
| SQL | SQL | SQL | XA
| commit | commit | commit | commit
| | | |
| Oracle | | Oracle | | Oracle | | Oracle |
| server | | server | | server | | server |
| | | |
| | | |
| | | |
| Database 1 | | Database 2 |
| | | |
| A | A
| | dblink to database 1 | |
| ------------------------------------ |
| |
dblink to database 2
Note 1: Oracle will work having both XA and non-XA servers but some TPMs
may have restrictions on this.
Are multiple direct connections possible from a Pro* program?
Using XA, you can not only specify multiple direct connections to Oracle7
databases, you can also update them both in the SAME transaction. The
way to do this is to use a precompiler feature called a named database.
When you use a named database, you qualify the SQL statement with the
database name. For example, you write EXEC SQL AT dbname UPDATE emp ....
We have a complementary feature in the xa open string to let the user
associate the name with a particular RM instance, called the DB clause.
You will also want to use the SqlNet clause in the open string so you
can give the two different SIDs. This clause does not require the use of
the SQL*Net product, it is just a naming convention. For more information,
see Oracle7 Server for UNIX Administrator's Reference Guide.
Some TP Monitors may not support having multiple Resource Mangers in the
same server; check with the TPM vendor.
Is there any collateral available for XA or TP Monitors?
Oracle At Work 52684.0692
Oracle7 Server for UNIX Administrator's #A10324-1
Reference Guide
Guide to Oracle's Products and Services #A10560
Oracle7 Server and CICS/6000               #A14200
Where can I get more information on the DTP model?
X/Open's address is
X/Open company Ltd (Publications)
P O Box 109
Penn
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G307 Distributed Transaction Processing: Reference Model Version 2
X/Open Guide G307 ISBN 1-859120-19-9 28cm.44p.pbk.220g.11/93
Page(4/4)
This file contains commonly asked questions about Oracle Server and UNIX
Transaction Processing Monitors (TPMs). The topics covered in this article are
     o Performance with Oracle Server and TP monitors
     o Performance using Oracle's XA Library
The questions answered in part 4 provide additional detail to the information
provided in part 1.
Performance with Oracle Server and TP Monitors
==============================================
I have heard that Transaction Processing Monitors (TPMs) will increase
Oracle Server performance. Is this true?
Several hardware and TPM vendors have made the claim that TPMs
will increase RDBMS performance. This claim is based on TPC-A
benchmarks. The key point to understand about TPC-A is that it
requires, for every transaction-per-second, ten times that many
users to be connected. For example, to get 600 TPS, you need 6000
users. The next question will answer in more detail how the the
three-tier architecture addresses this requirement, but first let's
look more generally at what TP Monitors can and can't do to improve
performance.
TP Monitors can provide better performance:
(1) When there are more than several hundred users connected.
     This is because of the TP Monitor's role in the three-tier
     architecture, described in the next question. In this
     architecture, terminal handling is offloaded to one or more
     separate machines, freeing up those cycles to do database work.
     Note that this does NOT mean that Oracle itself runs faster,
     just that we've given it more CPU cycles to use.
(2) When, because of the high potential concurrency of requests,
     significant resource contention exists. Use of a TP Monitor can
     limit the degree of concurrency and thus reduce contention.
TP Monitors can not provide better performance:
(1) For existing applications. The applications must be designed
     to fit the TP Monitor architecture.
(2) For applications which are highly interactive in their use of
     the database. These applications put many messages
     through the transport system, and the TP Monitor is not as
     efficient as SQL*Net for point-to-point communication.
(3) For CPU intensive single-query decision support. When executing
     a single large command, Oracle query facilities work efficiently,
     especially with the use of Oracle Parallel Query, available in 7.1.
How does the three-tier solution help TPC-A, or other situations with
thousands of on-line users?
The TPC-A test calls for a large number of users to produce a given
result. In the high-end results we produced in June, 1992, for example,
6150 terminals were simulated to produce 618 TPC-A transactions.
Thus, terminal concentration accounts for a large portion of the total
processing time used.
First, let's look at how the Multi Threaded Server would work for
this benchmark. In this case, there are many client processes,
but only a few server processes, which handle client requests on a
first-come first serve basis. When they are done with a request,
they take another client's request.
ORACLE7 CLIENT/SERVER ARCHITECTURE WITH MULTI THREADED SERVER
| Client | | Server |
| __________ |______________|_____ _____________ _____________ |
| | Client | | SQL*Net | |_|Dispatcher | | | |
| | Process| | | ____| Process |___| | |
| |________| | | | __|___________| | | |
|____________| | | | | | | | |
| | | | | | Oracle7 | |
______________ | | | __|__|____ | Server | |
| Client | | | | __|_|_____ | | | |
| __________ | | | | | Shared | |____| | |
| | Client | | SQL*Net | | | | Server |_|____| | |
| | Process|_|______________|__| | | Process|_| | | |
| |________| | | | |________| |___________| |
|____________| | | |
| | |
______________ | | |
| Client | | | |
| __________ | | | |
| | Client | | SQL*Net | | |
| | Process|_|______________|____| |
| |________| | | |
|____________| | |
|_______________________________________|
Client processes = N Dispatcher processes >= 1
Shared server processes >= 1
If there are 500 clients in this environment, there will be one or more
dispatcher processes, dynamically tunable, and one or more shared
server processes, dynamically tunable, on the server. The reduction
in the total number of processes handled by the server system
results in more processing time available for RDBMS activity. Thus
higher RDBMS transaction throughput can be obtained on the
server system.
But the problem for the TPC-A, and for certain large customer
configurations, is not the only ability of the Oracle Server to
process transactions, but also the ability of the operating
system to handle huge numbers of incoming connections.
There is one incoming connection for each client. Most UNIX
operating systems have a limit on how many such connections they can
handle. Even if a particular operating system allows a large number of
connections, each takes some amount of overhead to manage.
In order to service all 6150 terminals, we selected a 3-tier hardware
environment where the middle tier, using a TPM, acted as a terminal
concentrator. The high-end TPC-A architecture looked like the following.
The Application Servers, which contain the Pro*C statements used to
perform the transaction also run on the terminal concentrator machine
in order to offload as much work from the database serve as possible.
They send the compiled SQL over SQL*Net to the Oracle7 Server processes.
ORACLE7 TPS-A CLIENT/SERVER ARCHITECTURE
| Client | | Terminal | | Server |
| ________ | | Concentrator | | |
| | Client | |TPM | | | |
| | Process|_|_____|__ _____ | | |
| |________| |Comm | | | | | | |
|____________| | | | | | | |
| |__| | | | |
____________ | | TPM | | | |
| Client | | ___| | _______ | | ________ _______ |
| ________ | | | | |_| |__|_______|__| Oracle | | | |
| | Client | |TPM | | | | |Appl. | |SQL*Net| | Server |__| | |
| | Process|_|_____|_| |_____| |Server | | | | Process| | | |
| |________| |Comm | |_______| | | |________| | | |
|____________| | | | | | |
|_______________________| | | | |
| | | |
____________ _______________________ | |Oracle7| |
| Client | | Terminal | | |Server | |
| ________ | | Concentrator | | | | |
| | Client | |TPM | | | | | |
| | Process|_|_____|__ _____ | | __________ | | |
| |________| |Comm | | | | _______ |SQL*Net| | Oracle | | | |
|____________| | | | |_| |__|_______|__| Server |__| | |
| |__| | |Appl. | | | | Process| | | |
____________ | | TPM | |Server | | | |________| |_______| |
| Client | | ___| | |_______| | | |
| ________ | | | | | | | |
| | Client | |TPM | | | | | | |
| | Process|_|_____|_| |_____| | | |
| |________| |Comm | | | |
|____________| | | | |
|_______________________| |________________________|
Clients = 6150 Terminal concentrators = 17
TP Monitor instances = 17
Application server processes Oracle Server processes
= 17*8 = 17*8
The TPM is the software component of the terminal concentrator. In this role
it offloads terminal handling from the the machine running Oracle Server.
Since more than one terminal concentrator can be configured, whereas the
database in this case had to run on a single machine, concentrator machines
can be added until the performance of the back-end machine was optimized.
This three-tier solution resulted in the outstanding transaction throughput
announced with Oracle7 Server. Even with Oracle Parallel Server, it may pay
to offload the terminal handling so that the cluster can be exclusively used
for database operations.
Can you summarize the performance discussion for me?
Depending on the number of users required, different architectures may be
used in a client/server environment to maximize performance:
1) For a small number of users, the traditional Oracle two-task
architecture can be used. In this case, there is a one-to-one
correspondence between client processes and server processes. It's
simple, straightforward, and efficient.
2) For a large number of users, Multi Threaded Server might be a better
approach. Although some tuning may be required, Multi Threaded Server
can handle a relatively large number of users for each machine size
compared to the traditional Oracle approach. Using this approach,
customers will be able to handle many hundreds of users on many
platforms. Furthermore, current Oracle applications can move to this
environment without change.
3) For a very large number of users, where transactions are simple and
terminal input concentration is the overriding performance issue, a
3-tier architecture incorporating a TPM may be useful. In this case,
terminal concentration is handled by the TPM in the middle tier. As
     you might expect, it is a more complex environment requiring more
     system management. For existing Oracle customers, significant Oracle
application modifications will be required.
Oracle provides all of these choices.
Performance using Oracle's XA Library
=====================================
Are there any performance implications to using the XA library (in other
words, to using TPM-managed transactions)?
(1) The XA library imposes some performance penalty. You should use
TPM-managed transactions only if you actually need them. Even if you
are getting the one-phase commit optimization, the code path is
longer because we need to map back and forth between external
formats and internal ones. Also, prior to 7.1, XA requires you
to release all cursors at the end of a transaction, which results
in extra parsing. Even with shared cursors, there is time spent
looking up the one you need and re-validating it. This has been
improved for 7.1.
(2) If you need to use two-phase commit, this will incur additional cost
since extra I/Os are required. If you do need 2PC, you need to account
for that when sizing the application.
(3) Although some TPMs allow parallel execution of services (such as Tuxedo's
"tpacall"), this will not normally enhance performance unless different
resource managers are being used. In fact, Oracle Server must serialize
accesses to the same transaction by the same Oracle instance, and the
block/resume code will in fact degrade performance in that case compared
to running the services sequentially.

hello,
the role is the same on all plattforms. the reports server takes requests for running reports, spawns an engine that executes the request. in addition to that, the server also provides scheduling services and security features for the reports environment.
regards,
the oracle reports team

FCE and a separate monitor problem

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