Side effects of running RCF_CORRECT_DUP

Dear Experts,
When we are approving an external job posting, the job is not getting published. ( Not record is getting created in T77RCF_EXT_PUB ).
Also there is an exception in SLG1 "In the document storage for HR objects (HRKWF), there are several files with the parameters HROBJECT = 01NC50082673 APPLICATION = RCF. Access is not unique.'
When i checked for duplicate records for NC using the report RCF_CORRECT_DUP , i can very well see that there is a duplicate for the NC object 50082673 .
Now when i see the documentation of the delete procedure in the report RCF_CORRECT_DUP, it is said that the services for periodic jobs must be switched off as a prerequisite.
I plan to do the job posting again after deleting the duplicate entries.
I would like to understand what will be the impact of deleting the NC object without turning off the services for periodic jobs. Is it safe to delete the NC object in our production system without switching off any jobs?
Thanks,
Sridharan

Hello Sridharan,
The reason why to de-schedule the periodic job when you run RCF_CORRECT_DUP is that you should prevent creating inconsistencies in your system. Imagine there would be a change to the object you want to run RCF_CORRECT_DUP with and in the same time the periodical job runs.
Regards
Nicole

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Cursor_sharing Side-effects

I have a situation where several off-the-shelf applications (same vendor) are running on the same instance. One of the is performing poorly and I was able to get a good performance boost with cursor_sharing=force. After much testing in QA, we are ready to move it to production.
Now two of the other applications are having trouble. Apparently, the applications do some very basic selects from sqlplus and then parse the results. Setting cursor_sharing to force has had a side-effect (bug) that changes the column widths of these selects. The end result is that the other application fails because it can't parse it correctly.
This is a documented problem and Oracle recommends to always explicitly set your column widths in sqlplus. This is what we want to do, but the effort is not small.
A kludge work-around is to alter cursor_sharing before and after the batch processes. This can be done at either the system or session level.
My question is this: Is there a simple way to set it up so an that when this black-box application create a session, it will set the cursor_sharing to force?
Thanks,
Scott
http://www.erpfuture.com

I have a situation where several off-the-shelf
applications (same vendor) are running on the same
instance. One of the is performing poorly and I was
able to get a good performance boost with
cursor_sharing=force. After much testing in QA, we
are ready to move it to production.
Now two of the other applications are having trouble.
Apparently, the applications do some very basic
c selects from sqlplus and then parse the results.
Setting cursor_sharing to force has had a
a side-effect (bug) that changes the column widths of
these selects. Actually it is the off the shelf applications that have the bug, they are not using bind variables which means you are overparsing and fragmenting your shared pool. Poor performance is about the best you will get from such applications. You are also likely open to security issues that arise from [url=http://www.google.com/search?q=sql+injection
]sql injection.
Cursor sharing force is a workaround for a badly written application. It auto binds all literals. This means plans will change and all literal values are variables which could contain anything which leads to the problem you describe.
select 'test' from dual;becomes
select :b_sys_0 from dual;where :b_sys_0 could be 4000 characters long.
I would second kamathg's advice that if you need to use the cursor sharing workaround to only set it at the session level for the application that needs it using the logon trigger.
You should do this as an interim measure while you file a bug report with the software vendor to have them fix their application.
The security issues do not go away.

Any bad side-effects to lengthy blocking in native code? - crosspost

[This question was also posted on the Native Methods forum a day ago, so far no response]
1) Are there any negative side-effects to having one (or maybe a few) Java threads block for an extended period (e.g. hours) in native code? Naturally the thread would NOT be one of the "special" threads (such as the Swing event dispatcher, etc).
2) Does the answer vary by platform? I'm interested in Win32, Linux and possibly Solaris (in that order).
3) What if I scale the number of threads blocked in JNI code up to 100 threads. Does that change any of the answers? This is perhaps a silly number, I'm just trying to understand if more resources are consumed by blocking in the JNI as opposed to blocking in Java.
4) Do modern JVM's use one native thread per Java thread? If so, then I would guess there is really nothing special about blocking in native code.
Lastly, Is this stuff spelled out in some document? Or is there some newsgroup dedicated to the topic? I looked a comp.lang.java.machine, but there is nothing there but spam.
Motivation for query -- In my application I need to interface with legacy C++ code that blocks (mostly on socket and i/o selects). I'm not thrilled about native code, but if there are no serious side-effects to extended blocking, it may be a viable approach.

[This question was also posted on the Native Methods
forum a day ago, so far no response]
1) Are there any negative side-effects to having one
(or maybe a few) Java threads block for an extended
period (e.g. hours) in native code? Naturally the
thread would NOT be one of the "special" threads (such
as the Swing event dispatcher, etc).No. It is common to have a "reader" thread for a blocking socket connection. This results in a block in native code for days (months). The only impact is that you may end up creating alot of threads to handle this blocking code.
>
2) Does the answer vary by platform? I'm interested in Win32, Linux and possibly Solaris (in that order).I would hope not. You may find that WIn32 will run out of threads fairly quickly (at about 1000 threads) Earlier versions of Linux create a different process per thread which can have a non-trival overhead. Solaris will probibly not care. It has a thread number limit but if you reach it you are probibly doing something wroung.
>
3) What if I scale the number of threads blocked in
JNI code up to 100 threads. Does that change any of
the answers? This is perhaps a silly number, I'm just
trying to understand if more resources are consumed by
blocking in the JNI as opposed to blocking in Java.It takes a while to start a thread, it also consumes a minimal amount of per thread memory which can add up if you have 100s of threads. f you are writing the JNI I would suggest writing it to scale such that say more connections/files etc can be handled by a small number of threads (like NIO does) and these issues are reduced.
>
Motivation for query -- In my application I need to
interface with legacy C++ code that blocks (mostly on
socket and i/o selects). I'm not thrilled about native
code, but if there are no serious side-effects to
extended blocking, it may be a viable approach.See above.

Side effects of using catmeta.sql?

Not exactly sure where to put this, but I've been having problems exporting, mostly around the XMLGEN part. It seems that the solution would be to rebuild all the views and whatnot, but since this is a live database, I'd like to know if there are any side effects accompanying using catmeta.sql or any of the related files.
Thanks in advance!

Running Oracle9i Enterprise Edition Release 9.2.0.6.0 - Production under Windows XP. The error comes from exporting and comes up as
Connected to: Oracle9i Enterprise Edition Release 9.2.0.6.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.6.0 - Production
Export done in WE8MSWIN1252 character set and AL16UTF16 NCHAR character set
About to export specified users ...
. exporting pre-schema procedural objects and actions
. exporting foreign function library names for user TEST
. exporting PUBLIC type synonyms
. exporting private type synonyms
. exporting object type definitions for user TEST
About to export TEST's objects ...
. exporting database links
. exporting sequence numbers
. exporting cluster definitions
EXP-00056: ORACLE error 19206 encountered
ORA-19206: Invalid value for query or REF CURSOR parameter
ORA-06512: at "SYS.DBMS_XMLGEN", line 83
ORA-06512: at "SYS.DBMS_METADATA", line 345
ORA-06512: at "SYS.DBMS_METADATA", line 410
ORA-06512: at "SYS.DBMS_METADATA", line 449
ORA-06512: at "SYS.DBMS_METADATA", line 1156
ORA-06512: at "SYS.DBMS_METADATA", line 1141
ORA-06512: at line 1
EXP-00000: Export terminated unsuccessfully

Side-effects or negative sides of specific kind of connection

First of all, I have to say that I don't have much experience in networking.
I'm interested to know are there any specific side-effects or negative sides of connecting method I'm currently using.
I have an ADSL modem/router Huawei HG510, which has 4 ethernet ports, locked by internet provider to provide internet connection on ports 1 and 4, IPTV on port 3, and port 2 reserved for VoIP. Close to this router I have AirPort Extreme (n-version) which I've connected to ADSL router in this way:
- _IPTV lan (ethernet 2) port on ADSL router is connected to WAN port on AirPort_
- _Internet connection is provided through ethernet 1 (LAN 1) port on ADSL router which is connected to LAN 1 port on AirPort_
AirPort Extreme is configured as a bridge with manually assigned IP address with DNS set to IP address of ADSL router.
DHCP is running on a ADSL router.
AirPort Extreme provides 802.11g-only WDS network. In another room there is a WDS remote - AirPort Express (b/g model) which is connected to stereo, and also to IPTV STB by using ethernet cable.
AirPort Express is also configured as a bridge with manually assigned IP address and DNS set to IP address of ADSL router. Two computers (one PC and one MacBook Pro) connect to this wireless network (sometimes I connect them to AirPort Extreme by cable) and they both have manually assigned IP addresses.
So basically AirPort Extreme provides both Internet and IPTV streams.
I don't have any special problems with this kind of connection, but I've noticed that sometimes when I reboot the system on MacBook Pro, internet connection is not recognized immediately, and network diagnostic commands such as - arp work with a long delay. This fixes by itself after some time, but I would like to know what cause it.
btw wireless network is set on Multicast rate of 24Mbps
Any comments and suggestions are appreciated.

Is there a reason why you can't connect ethernet 1 (LAN 1) port on the router to the WAN port of the airport extreme base station? I'd have thought that might be better way for it to be networked to internet connection if going to act as bridge. networking internet connection and IPTV at same time may be not ideal situation for extreme base station network.
Anyway, if I'm missing something then it's also possible that your network may just be a bit too technically complex for the extreme base station, it really is aimed to be plug and play and not that user configurable: it either works or it doesn't. If you have to have it as you describe above, and can't improve situation by altering settings present in the airport admin utility, then may want to look at other wireless bridges on the market.

Side effect of Service Pack for SAP XI 3.0

Hi,
Currently we are running on SP9, and want to upgrade to latest SP for XI 3.0 , At present my system is stable and mainly we are using XSLT/Message/Java mapping. Can you guys please tell me is there any possible side effect of upgradation so that we will take care of them.
It will be nice if you can provide checklist also.

Dear Gourav,
Similar kind of situation we had, there was no issue,Infact there will be more functions.
Regards
Agasthuri Doss
Message was edited by: Agasthuri Doss Baladandapani

Any side effects on JRE/JVM when setting Desktop Heap Size?

In Win2003 we experience a limitation of about 70 java.exe's. By setting the Desktop Heap Size we can increase this limit to more than double. Link showing more info on Desktop Heap Size:
http://blogs.msdn.com/ntdebugging/archive/2007/01/04/desktop-heap-overview.aspx
Does this give any side effects to the running java.exe's?
Has anyone experimented with this?

Hi Bobo
It seems to be a bit small. I have close the same configuration like you and set the
maxMemory to 512 MB/server
Regards Ruedi :-)
Bob Krause schrieb:
Hello,
I have a customer that is running WLS 6.1 sp4 and they have set the JVM max memory
value to 64M on a Sun Solaris box with over 6 meg of memory and 4 CPUs.
We have an application on it that makes use of connection pooling, session objects,
over 30+ stateless session beans, and has 100-200 users connected to the application
for 4-8 hours at a time.
Does this value of 64M make any sense??? This is the default out of the box setting
that we have setup on our development PCs.
Also as a side note, can any point me in the direction of any formulas for the
calculation of this number and also the number of execute threads.
Thank you,
Bob

Db2bak side effects on the database

Dear All,
I would like to know what is the impact / side effect of db2bak on the database?
Does it lock the database while running?
Moreover, if you can provide me with more ideas/ info about any other side effects would do me great.
Regards,
Scotty

I am running a stored procedure that uses getXML. I would like to know how much memory its using up. I was told to increase the java pool, but it did not help with large query of getXML. What should I monitor for getXML?
Thanks.

Side effects of "_system_trig_enabled"

Hi! I'm having trouble on setting the parameter "_system_trig_enabled".
Actually, I just migrate our Oracle 8i Database to Oracle 9i, and since I've enabled this parameter, some forms applications have presented side effects.
One of these side effects happens when a visual component of our application doesn't show results from a query. Automatically, when I disable "_system_trig_enabled" the applications presents a normal behavior.
I'd like to ask if anyone know what's happening. I've noticed this parameter is affecting only the applications running on Windows 95/98. Win2K applications present a normal behavior independent the parameter.
Best regards,
Marcio.

You have told us almost nothing.
1. What version of Oracle? Surely you don't think they are all the same.
2. What "other" queries? We have no idea what you are doing.
It is impossible to answer your question without knowing a lot about your system.
Simply put any change that affects optimizer behaviour, by definition, affects optimizer behaviour.
How that may or may not affect any particular system requires testing ... not a ouija board or tarot cards.

Side Effects of not installing Java/XDB

Hi,
are there any side effects known (10g/11g), when not installing one of the following options:
Spatial
Oracle interMedia
OLAP Catalog
Oracle XML Database
Oracle Text
Oracle Expression Filter
Oracle Rules Manager
Oracle Workspace Manager
Oracle Data Mining
JServer JAVA Virtual Machine
Oracle XDK
Oracle Database Java Packages
OLAP Analytic Workspace
Oracle OLAP API
As I know Java/XDB is mandantory in 11g cause of the new "firewall features" for the packages utl_tcp, utl_mail, utl_http, ...
Does anybody had interesting side effects, when not not all options/users were installed?
Thanks
Marco

It is only has a side effect when you run applications that require an option that is not installed.
Install what you need based on your requirements.

[Solved] Side effects of compiling on slower machines.

So, I had been doin' casual stuff on my big 'ol laptop (Quad-core I7), when it's bios randomly bricked and I was unable to boot. (I think it was the bios, since it crashed on the boot logo before dying.)
Anyway, I now have a silly lil' lappy (Dual-Core I3 fuq yeah!) which I actually bought for school.
Compiling linux-pf took ~5 hours, and wine-silverlight around the same time.
I wonder, since compiling tasks have to be split over only 2 cores (I use -j4 anyway ), and they have to work much harder to compile because they don't have as much power as I7, does compiling also affect the lifetime of the lappy much more than it did on my "big 'ol laptop"?
And, does it also have more side effects?
EDIT: I forgot to state that the lappy is a netbook.
Last edited by mid-kid (2013-10-23 07:26:28)

Anoknusa is on the right track. There is actually an analogy to electrical circuits when looking at heat flow. Essentially, heat is dissipated in the junctions of the transistors in the die. the temperature of the die is a function of the heat capacity of silicon, and the amount of heat present. If the die is insulated thermally, then heat cannot flow from the device and the temperature will increase without bounds (or until something melts)
If there is a thermal sink (Think the heat sink), and a thermal source (the die), and a thermal path between them, then heat will flow from the source to the sink. The rate of heat flow is determined by the delta (difference) in temperature between the temperature of the source and the sink, and the thermal resistance between them. Thermal resistance is a function of the material (plastics have a low thermal conductivity, metals and ceramics have high conductivity) and the area. ICs are rated at maximum junction temperatures and define the thermal conductivity to the case.
So, the variables include the thermal conductivity of the processor, the junction temperature at which the processor runs (a function of the number of transistors and who fast they switch), the area on top of the processor on to which you can attach a heatsink, the ambient temperature around the heatsink, the size of the heatsink, the airflow over the heat sink, and the thermal conductivity of the goo between the heatsink and the case of the processor (BTW, Air is a sucky thermal conductor, so a heatsink without goo is worthless). To make things even more complex, many modern chips have thermal pads under the parts that are intended to be soldered down to ground layers on the printed circuit board to allow the board itself to act as a heatsink. These pads are impossible to solder without a surface mount reflow process. I think the Ras-Pi has a processor with this type of thermal pad. This type of thermal pad is not compatible with socketed devices. In fact, sockets probably do a pretty good job of insulating the entire bottom of a processor.
Last edited by ewaller (2013-10-19 16:36:59)

Side effects set company code to productive on Live Production System

Dear All,
I have a question, are there any consequencies or side effects, if we set company code to prodcutive while the system already run for last 1 year.
Is there any SAP note reference for this matter?
Really appriciate for your help.
Thanks.
Regards,
Endi Pratama W.

If you do not put to productive then there is a problem.
You must put it to productive immediately. There will not be any side effects.
OBY6
A company code which is working productively should be indicated here by an "X". This prevents deletion programs from resetting data in this company code by mistake

Will killing pacman have any side effects?

Hi recently while doing an upgrade with pacman, the download of a package will stop and I will not get any feedback anymore. So I leave it for a few hours but nothing happens so I decided to ^C which I know will kill pacman. What bad side effects should I expect from doing this? and is anyone else having a similar problem with pacman?

shining wrote:
dav7 wrote:
moljac024 wrote:This is annoying, we had a topic about this. It seems that pacman just stops responding from time to time for some of us. Of course, there is no special way to reproduce it, so it's a tough bug.
Maybe pacman should be modified to support an option (for pacman.conf) that causes pacman to log a TON of debug info to eg /var/log/pacman-debug.log, and those that experience the issue can try the setting out. And by "ton" I mean... every 2nd line in pacman being a debug_print() call (or whatever)
Just an idea. I like ideas.
You mean like pacman --debug ?
To moljac024 : At which step does pacman stop responding? During download? You might have some network issues, unrelated to pacman.
At least, I don't experience anything similar, and I am sure many other users as well.
Yes, it just hangs during download. And at random times. And no, it's no network issue because as soon as I restart it, it continues downloading. A couple of times I've left my laptop downloading updates and went away doing other things only to return an hour or two later and see that it stopped 5 minutes after it started and had been hanging the whole time.
Should I just run pacman with --debug always ? I guess I could do that.

MOPZ-generated SIDE EFFECT report never shows up in SOLMAN

HI - we are using SOLMAN ST 400, SPS#24
I am doing a MOPZ transaction for an ERP604/NW701 system landscape - specifically for updating from a lower SPS level to a more recent one...
In MOPZ....i requested the SIDE EFFECT report.....at that time got to a screen where it displayed the following message "Your request has not yet been processed. Please check back again in a few hours. "
I've waited more than 3 days - and still - when I go back into SOLMAN....into this same MOPZ transaction#....to look for the SIDE EFFECT report......it doesn't show up anywhere - instead....i just continue to see the same message (Your request has not yet been processed. Please check back again in a few hours. )
Please advise
(it seems that the process for MOPZ-generated side effect reports is not as "user friendly" as the "old" way - outside SOLMAN/MOPZ - of doing this - in the "old" way, using SMP....you always got a request id#....and you always got an EMAIL in a few hrs ....that you clicked on to get the report.....i see neither of these when using MOPZ)

Hi there,
sometimes the side-effect report may take longer to arrive due to a long processing time for the request. This may happen due to many concurrent requests at the same time, or because there are technical issues in the service backend systems here at SAP.
I hear that you already got the side-effect reports after a delay, so I guess that your request was finally processed.
Best regards,
Miguel Ariñ

What exactly are side-effects in #pragma no_side_effect?

Which of the following qualify as side-effects for the purposes of #pragma [no_side_effect|http://docs.sun.com/app/docs/doc/819-5265/bjaby?a=view#bjacp]:
1. dynamically allocating/deallocating memory using malloc/free or operator new/delete
2. exiting the function by throwing a C++ exception
3. temporarily changing the disposition for a signal (e.g., ignoring or suspending a signal)
4. creating a thread and joining with it

Thanks for your answers! Just to make sure I understand correctly: accessing the local state of the caller through a parameter is not a side-effect. I.e., in the following snippet the function has_no_side_effects() has no side-effects:
int get (int *p) { return *p; }
void set (int *p, int x) { *p = x; }
void has_no_side_effects () {
    int x;
    int y;
    set (&x, 0);    // not a side-effect (x is local)
    y = get (&x);   // same
}But in the following, has_side_effects() does:
void has_side_effects () {
    static int x;
    static int y;
    set (&x, 0);    // side-effect: writing a "global"
    y = get (&x);   // side-effect: reading a "global"
}Also, reading global const data (i.e., what might be in ROM) is not a side-effect. Correct? E.g.,
static const int global[] = { 1, 2 };
void has_no_side_effects () {
    int x;
    int y;
    x = global [0];   // not a side-effect, global is in ROM
    y = global [1];   // same
}

Side effects of running RCF_CORRECT_DUP

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