How to have continouse performance testing during development phase?
I understand that for corporate projects there are always requirements like roughy how long it can take for certain process.
Is there any rough guideline as how much time certain process will take?
And is there anyway i can have something like JMeter that will do constant monitor of the performance as i start development?
Can go down to method level, but should also be able to show total time taken for a certain module or action etc.
I think it is somthing like continuous integration like cruise control..but is more for performance continouse evaluation..
Any advice anyone
Just a thought: how useful would continuous performance testing be? First off, I wouldn't have the main build include performance tests. What if the build fails on performance? It isn't necessarily something you'll fix quickly, so you could be stuck with a broken build for quite some time, which means either your devs won't be committing code, or they'll be comitting code on a broken build which kind-of negates the point of CI. So you'd have a nightly build for performance, or something. Then what? Someone comes in in the morning and sees the performance build failed, and fixes it? Hmmm, maybe your corporate culture is different, but we've got a nightly metrics build that sits broken for weeks on end before someone looks at it. As long as the master builds are OK, nobody cares. Given that performance problems might well take several weeks of dedicated time to fix, I reckon they're far more likely to be fixed as a result of failing acceptance tests, rather than the CI environment reporting them
Just my opinions, of course
Similar Messages
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Blocking Objects during development phase
Dear All,
I would like to block objects during the development phase.
I mean if for example an user is currently modifying one specific table and a second user wants to do some modification on the same table (object) the second developer will be notified that is not possible because the table is being used.
Is this something that I can control / manage from the authorization perspective? How could I do that?
I will appreciate any idea.
Thanks,
FedeXHi,
as it was mentioned two users can't modify one object at same time. But I guess your question is little bit different. All modified objects (ignore local objects) are assigned to a transport after first change until the transport is released. After that they can be assigned to next transport after new change. When second user wants to change object already assigned to transport then he can't assign it to another transport. He needs to create a subtask which is assigned to his user account. After that he will be able to modify same object. So if you remove authorizations to create sub task then it will block them. Don't forget to remove authorization to change task assignment to another user.
Cheers -
How to catch possible bind variable performance impact during development?
Since producing load is a problem on development environment and the technics provided with Oracle can capture a parsing problem caused by a bind variable problem only after execution we are looking for pro-active solution like 10g compile time warnings stuff.
Using binds can have impact on indexed skewed data columns and paritioned tables, so lets just think about a typical oltp environment with always same access path results for similar queries using bind variables.
Using v$ views or even better dba_hist after 10g or 10046 trace are considered as re-active approaches since they can only be examined on a pre-production loaded environment.
Is there any tool or approach you are using or may suggest?
Thank you, best regards.
TongucAre you using PL/SQL only?
If so, I'd look at all the EXECUTE IMMEDIATE's and DBMS_SQL calls throughout the code and determine one by one if they pose a threat. They should be rare, so a simple search against the USER_SOURCE could be sufficient.
Other programming languages will have different statements to watch out for.
I am not aware of any tool that does this for you.
Hope this helps.
Regards,
Rob. -
Web performance test using Ultimate VS2012 is possible?
Hello,
I worked on automation using VS2012 for different client who used .net. Now i am on different account who used Java and my goal is same to convert day to day functionality checked in automation. Any help?? how to start where to start???
Thanks in advance!
Hema.
HSHi SCRana,
Thank you for posting in MSDN forum.
According to your description, you mean that you want to set the breakpoint and debug the web performance test during using the recorder to record this web performance test, am I right?
As far as I know that there have no this feature of breakpoint/debugger in web performance test.
Generally, we set the breakpoint and debug this coded web performance test after we finished this web performance recording.
So if you still want to this feature, I suggest you could submit this feature request:
http://visualstudio.uservoice.com/forums/121579-visual-studio.
The Visual Studio product team is listening to user voice there. You can send your idea there and people can vote. If you submit this suggestion, I hope you could post that link here, I will help you vote it.
Thanks for your understanding.
Best Regards,
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RMS performance testing using HP Loadrunner
Hi,
We are currently planning on how to do our performance testing of Oracle Retail. We are planning to use HP Loadrunner and use different virtual users for Java, GUI, webservices and database requests. Have anyone here done performance testing in RMS using HP Loadrunner and what kind of setup did you use?
Any tips would be greatly appreciated.
Best regards,
GustavHi Gustav
How is your performance testing of Oracle Retail ? Did you get good results ?
I need to start a RMS/RPM performance testing project and I would like to know how to implement an appropriated structure . Any informations about servers , protocols , tools used to simulate a real production environment would be very appreciated.
Thanks & Regards,
Roberto -
Monitoring WebLogic During Performance Test
I am running performance tests on our WebLogic Server and would like to be able
to pull the Thread Queue Length, Thread Queue Throughput and Java Heap % statistics
that are displayed in the WebLogic Console and put them in a text file every so
often during the test. This way I can use those statistics with others I collect.
I assume that if the console is able to display this information that it must
be available. Does anyone know how I could do this?
Thanks In Advance"Dimitri" == Dimitri Rakitine <[email protected]> writes:
Dimitri> I don't know of a recommended way in 5.1. You may find this (crude)
Dimitri> example helpful in illustrating how to obtain runtime info from 5.1:
Dimitri> http://dima.dhs.org/misc/WLStats.jsp
Wow, thanks! I didn't realize how easy it was to get to some of this
information. This is a real help.
Dimitri> Also, there is a severinfo utility on http://developer.bea.com which
Dimitri> can be used to obtain server runtime information.
I couldn't find this utility. Any tips on how to find it on this site?
Thanks, this stuff is a real help.
-Ben
Dimitri> It is much easier in 6.x with it's JMX architecture.
Dimitri> Benjamin Simon <[email protected]> wrote:
>>>>>>> "Dimitri" == Dimitri Rakitine <[email protected]> writes:
Dimitri> It is certainly possible, but ways of doing this are
Dimitri> different for 5.1 and 6.x - which version do you use?
>> Ooh, this is something I want to be able to do. What's the recommended
>> way to do this for 5.1?
>> Thanks,
>> Ben
Dimitri> Robin Conklin <[email protected]> wrote:
>> >> I am running performance tests on our WebLogic Server and would like
>> >> to be able to pull the Thread Queue Length, Thread Queue Throughput
>> >> and Java Heap % statistics that are displayed in the WebLogic Console
>> >> and put them in a text file every so often during the test. This way
>> >> I can use those statistics with others I collect. I assume that if
>> >> the console is able to display this information that it must be
>> >> available. Does anyone know how I could do this?
>> >> Thanks In Advance
Dimitri> --
Dimitri> Dimitri
Dimitri> --
Dimitri> Dimitri -
LGWR strange behaviour during the performance test!
Hi,
We are doing performance test on our new schema and during the test we see that this LGWR database process is always the highest resource taking process during the test.
I see that the Commit activity appears continiously on Grid Controller toghegher with System I/O.
I checked the Redo Logs and we have them in 5 groups each 200MB.
Any idea about what causes this? I guess the application is doing one commit after each statement, or?
Any comment about how can we improve this?
I wanted to attach the screenshot from the Grid Controller but it seems we can't do that on this Forum!
Thanks in advance for the help!
/ Heshttp://docs.oracle.com/cd/E16655_01/server.121/e17633/process.htm#CNCPT89084
-
Log file sync top event during performance test -av 36ms
Hi,
During the performance test for our product before deployment into product i see "log file sync" on top with Avg wait (ms) being 36 which i feel is too high.
Avg
wait % DB
Event Waits Time(s) (ms) time Wait Class
log file sync 208,327 7,406 36 46.6 Commit
direct path write 646,833 3,604 6 22.7 User I/O
DB CPU 1,599 10.1
direct path read temp 1,321,596 619 0 3.9 User I/O
log buffer space 4,161 558 134 3.5 ConfiguratAlthough testers are not complaining about the performance of the appplication , we ,DBAs, are expected to be proactive about the any bad signals from DB.
I am not able to figure out why "log file sync" is having such slow response.
Below is the snapshot from the load profile.
Snap Id Snap Time Sessions Curs/Sess
Begin Snap: 108127 16-May-13 20:15:22 105 6.5
End Snap: 108140 16-May-13 23:30:29 156 8.9
Elapsed: 195.11 (mins)
DB Time: 265.09 (mins)
Cache Sizes Begin End
~~~~~~~~~~~ ---------- ----------
Buffer Cache: 1,168M 1,136M Std Block Size: 8K
Shared Pool Size: 1,120M 1,168M Log Buffer: 16,640K
Load Profile Per Second Per Transaction Per Exec Per Call
~~~~~~~~~~~~ --------------- --------------- ---------- ----------
DB Time(s): 1.4 0.1 0.02 0.01
DB CPU(s): 0.1 0.0 0.00 0.00
Redo size: 607,512.1 33,092.1
Logical reads: 3,900.4 212.5
Block changes: 1,381.4 75.3
Physical reads: 134.5 7.3
Physical writes: 134.0 7.3
User calls: 145.5 7.9
Parses: 24.6 1.3
Hard parses: 7.9 0.4
W/A MB processed: 915,418.7 49,864.2
Logons: 0.1 0.0
Executes: 85.2 4.6
Rollbacks: 0.0 0.0
Transactions: 18.4Some of the top background wait events:
^LBackground Wait Events DB/Inst: Snaps: 108127-108140
-> ordered by wait time desc, waits desc (idle events last)
-> Only events with Total Wait Time (s) >= .001 are shown
-> %Timeouts: value of 0 indicates value was < .5%. Value of null is truly 0
Avg
%Time Total Wait wait Waits % bg
Event Waits -outs Time (s) (ms) /txn time
log file parallel write 208,563 0 2,528 12 1.0 66.4
db file parallel write 4,264 0 785 184 0.0 20.6
Backup: sbtbackup 1 0 516 516177 0.0 13.6
control file parallel writ 4,436 0 97 22 0.0 2.6
log file sequential read 6,922 0 95 14 0.0 2.5
Log archive I/O 6,820 0 48 7 0.0 1.3
os thread startup 432 0 26 60 0.0 .7
Backup: sbtclose2 1 0 10 10094 0.0 .3
db file sequential read 2,585 0 8 3 0.0 .2
db file single write 560 0 3 6 0.0 .1
log file sync 28 0 1 53 0.0 .0
control file sequential re 36,326 0 1 0 0.2 .0
log file switch completion 4 0 1 207 0.0 .0
buffer busy waits 5 0 1 116 0.0 .0
LGWR wait for redo copy 924 0 1 1 0.0 .0
log file single write 56 0 1 9 0.0 .0
Backup: sbtinfo2 1 0 1 500 0.0 .0During a previous perf test , things didnt look this bad for "log file sync. Few sections from the comparision report(awrddprt.sql)
{code}
Workload Comparison
~~~~~~~~~~~~~~~~~~~ 1st Per Sec 2nd Per Sec %Diff 1st Per Txn 2nd Per Txn %Diff
DB time: 0.78 1.36 74.36 0.02 0.07 250.00
CPU time: 0.18 0.14 -22.22 0.00 0.01 100.00
Redo size: 573,678.11 607,512.05 5.90 15,101.84 33,092.08 119.13
Logical reads: 4,374.04 3,900.38 -10.83 115.14 212.46 84.52
Block changes: 1,593.38 1,381.41 -13.30 41.95 75.25 79.38
Physical reads: 76.44 134.54 76.01 2.01 7.33 264.68
Physical writes: 110.43 134.00 21.34 2.91 7.30 150.86
User calls: 197.62 145.46 -26.39 5.20 7.92 52.31
Parses: 7.28 24.55 237.23 0.19 1.34 605.26
Hard parses: 0.00 7.88 100.00 0.00 0.43 100.00
Sorts: 3.88 4.90 26.29 0.10 0.27 170.00
Logons: 0.09 0.08 -11.11 0.00 0.00 0.00
Executes: 126.69 85.19 -32.76 3.34 4.64 38.92
Transactions: 37.99 18.36 -51.67
First Second Diff
1st 2nd
Event Wait Class Waits Time(s) Avg Time(ms) %DB time Event Wait Class Waits Time(s) Avg Time
(ms) %DB time
SQL*Net more data from client Network 2,133,486 1,270.7 0.6 61.24 log file sync Commit 208,355 7,407.6
35.6 46.57
CPU time N/A 487.1 N/A 23.48 direct path write User I/O 646,849 3,604.7
5.6 22.66
log file sync Commit 99,459 129.5 1.3 6.24 log file parallel write System I/O 208,564 2,528.4
12.1 15.90
log file parallel write System I/O 100,732 126.6 1.3 6.10 CPU time N/A 1,599.3
N/A 10.06
SQL*Net more data to client Network 451,810 103.1 0.2 4.97 db file parallel write System I/O 4,264 784.7 1
84.0 4.93
-direct path write User I/O 121,044 52.5 0.4 2.53 -SQL*Net more data from client Network 7,407,435 279.7
0.0 1.76
-db file parallel write System I/O 986 22.8 23.1 1.10 -SQL*Net more data to client Network 2,714,916 64.6
0.0 0.41
{code}
*To sum it sup:
1. Why is the IO response getting such an hit during the new perf test? Please suggest*
2. Does the number of DB writer impact "log file sync" wait event? We have only one DB writer as the number of cpu on the host is only 4
{code}
select *from v$version;
BANNER
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
PL/SQL Release 11.1.0.7.0 - Production
CORE 11.1.0.7.0 Production
TNS for HPUX: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - Production
{code}
Please let me know if you would like to see any other stats.
Edited by: Kunwar on May 18, 2013 2:20 PM1. A snapshot interval of 3 hours always generates meaningless results
Below are some details from the 1 hour interval AWR report.
Platform CPUs Cores Sockets Memory(GB)
HP-UX IA (64-bit) 4 4 3 31.95
Snap Id Snap Time Sessions Curs/Sess
Begin Snap: 108129 16-May-13 20:45:32 140 8.0
End Snap: 108133 16-May-13 21:45:53 150 8.8
Elapsed: 60.35 (mins)
DB Time: 140.49 (mins)
Cache Sizes Begin End
~~~~~~~~~~~ ---------- ----------
Buffer Cache: 1,168M 1,168M Std Block Size: 8K
Shared Pool Size: 1,120M 1,120M Log Buffer: 16,640K
Load Profile Per Second Per Transaction Per Exec Per Call
~~~~~~~~~~~~ --------------- --------------- ---------- ----------
DB Time(s): 2.3 0.1 0.03 0.01
DB CPU(s): 0.1 0.0 0.00 0.00
Redo size: 719,553.5 34,374.6
Logical reads: 4,017.4 191.9
Block changes: 1,521.1 72.7
Physical reads: 136.9 6.5
Physical writes: 158.3 7.6
User calls: 167.0 8.0
Parses: 25.8 1.2
Hard parses: 8.9 0.4
W/A MB processed: 406,220.0 19,406.0
Logons: 0.1 0.0
Executes: 88.4 4.2
Rollbacks: 0.0 0.0
Transactions: 20.9
Top 5 Timed Foreground Events
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Avg
wait % DB
Event Waits Time(s) (ms) time Wait Class
log file sync 73,761 6,740 91 80.0 Commit
log buffer space 3,581 541 151 6.4 Configurat
DB CPU 348 4.1
direct path write 238,962 241 1 2.9 User I/O
direct path read temp 487,874 174 0 2.1 User I/O
Background Wait Events DB/Inst: Snaps: 108129-108133
-> ordered by wait time desc, waits desc (idle events last)
-> Only events with Total Wait Time (s) >= .001 are shown
-> %Timeouts: value of 0 indicates value was < .5%. Value of null is truly 0
Avg
%Time Total Wait wait Waits % bg
Event Waits -outs Time (s) (ms) /txn time
log file parallel write 61,049 0 1,891 31 0.8 87.8
db file parallel write 1,590 0 251 158 0.0 11.6
control file parallel writ 1,372 0 56 41 0.0 2.6
log file sequential read 2,473 0 50 20 0.0 2.3
Log archive I/O 2,436 0 20 8 0.0 .9
os thread startup 135 0 8 60 0.0 .4
db file sequential read 668 0 4 6 0.0 .2
db file single write 200 0 2 9 0.0 .1
log file sync 8 0 1 152 0.0 .1
log file single write 20 0 0 21 0.0 .0
control file sequential re 11,218 0 0 0 0.1 .0
buffer busy waits 2 0 0 161 0.0 .0
direct path write 6 0 0 37 0.0 .0
LGWR wait for redo copy 380 0 0 0 0.0 .0
log buffer space 1 0 0 89 0.0 .0
latch: cache buffers lru c 3 0 0 1 0.0 .0 2 The log file sync is a result of commit --> you are committing too often, maybe even every individual record.
Thanks for explanation. +Actually my question is WHY is it so slow (avg wait of 91ms)+3 Your IO subsystem hosting the online redo log files can be a limiting factor.
We don't know anything about your online redo log configuration
Below is my redo log configuration.
GROUP# STATUS TYPE MEMBER IS_
1 ONLINE /oradata/fs01/PERFDB1/redo_1a.log NO
1 ONLINE /oradata/fs02/PERFDB1/redo_1b.log NO
2 ONLINE /oradata/fs01/PERFDB1/redo_2a.log NO
2 ONLINE /oradata/fs02/PERFDB1/redo_2b.log NO
3 ONLINE /oradata/fs01/PERFDB1/redo_3a.log NO
3 ONLINE /oradata/fs02/PERFDB1/redo_3b.log NO
6 rows selected.
04:13:14 perf_monitor@PERFDB1> col FIRST_CHANGE# for 999999999999999999
04:13:26 perf_monitor@PERFDB1> select *from v$log;
GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARC STATUS FIRST_CHANGE# FIRST_TIME
1 1 40689 524288000 2 YES INACTIVE 13026185905545 18-MAY-13 01:00
2 1 40690 524288000 2 YES INACTIVE 13026185931010 18-MAY-13 03:32
3 1 40691 524288000 2 NO CURRENT 13026185933550 18-MAY-13 04:00Edited by: Kunwar on May 18, 2013 2:46 PM -
How to test and develop the HTML/Backbone custom content viewer on IPad?
Hi
I have been tasked with developing and amending the HTML/Backbone custom content viewer as nicely detailed and explained by Derek Lu here:
https://www.adobe.com/devnet/digitalpublishingsuite/articles/html-default-library.html#
I can see that by removing the reference to libs/AdobeLibraryAPI.js in Index.html i am able to "test" on the desktop.
<!--
The DPS library/store API.
The include below should be commented out when testing on the desktop.
<script src="libs/AdobeLibraryAPI.js"></script>-->
and that data is bought in via the fulfilment XML feed and the parse method is called on Librarycollection.
I have made the changes to hook up the viewer to bring in some folios that we are developing.
However, although this provides the ability to test and develop on the desktop in one form since we are using JS and Backbone, there are various checks within the provided code to see if ADOBE.isAPIAvailable.
If it is, then the behaviour is different than on the desktop, so once the viewer is packaged up and put on the IPad there is disparity between what you were able to check and test on the desktop version against what is shown on the IPad.
The question therefore is... is there a quick way to develop and test on the Ipad ... it doesnt seem like a viable option to develop blindly on the desktop and then package up the content viewer within Adobe DPS to check how those changes behave on the IPad?
To re-iterate the viewer is to make use of backbone / js example to provide greater functionality and options for customisation.
Thanks in anticipation.
DaveThankyou for taking the time to respond and for providing such detailed articles on adobe dps development, it is much appreciated.
I had completely missed that article and was struggling to find anything useful from googling!
Dave -
How to get connect with Apple when you have problem in test device limits?
I have reached my test device limit in August. I have popular app that is very sensitive of being tested super carefully (navigation app for the blind, testers from 20+ countries), so 100 device limit is easily reached. Basically, I can't ship any new versions due to fact that I can't guarantee safety of my users.
I sent first request how to handle this to Apple in August. Since then I have sent at least 3 new requests. 2 times some person has responded suggesting adding 10 new devices or asking me to delete unneeded away and then list gets reseted after 7 days. I answered "yes please do that" and cleaned the list. Still after several months, I have situation that my device list shows "100 of 100 available devices have been registered." and adding new devices is disabled.
I had read that this list can be reseted when I renew my dev membership. I did that one month in advance to see if it helps. It didn't and even when old one expired, it didn't help. Maybe I have missed some step, but for that reason I have tried to reach Apple Support. My two latest contacts to Membeship support has this same information about my problem (of problems getting support) and also short description about original problem.
Have any of you had same kind of problem with Membership Support? When I have contacted Developer support, I have got excellent service.
How should I continue? Start trying to make phone calls instead of using official contact forms?Your problem _is_ the device limit...you repeated your issue, so I'll repeat the quote from Apple:
Although you may remove a device from your account, it will continue to count against your 100 device limit.
Please confirm you understand the process now, thanks. -
How to add new browser type in visual studio 2010 performance test?
Hi All,
Currently we have various list of browsers in browser type drop down,Suppose if i want to add browsers like Internet Explorer 9 (or) 10,Firefox 33 (or) later version.How to add?Thanks for Adrian's help.
Hi Balaji,
Based on your issue, I agree with Adrian's suggestion. Therefore, I suggest you can try Adrian's suggestion to refer the link of Cybermaxs' reply check your issue.
In addition, I suggest you can use fiddler to check the header definition.
For more information, I suggest you can refer the Shiv_P's reply in the following link.
Reference:
https://social.msdn.microsoft.com/Forums/en-US/9bb37eec-3467-4fcb-8537-648d04e91e2f/how-to-add-latest-chrome-browser-plugin-in-visual-studio-2010-ultimate-for-performance-testing?forum=vstest
Best Regards,
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I have enrolled for the apple developer program but apparently already have an account with iBooks, cant have this it seems.how do I change my iBooks account, is this the apple id for my iPad and if I change this will it cause problems accessing iTunes etc?
I guess nobody knows if the crash that occured was legitimate or not? Apple phone support could do nothing for me, so I guess I am left to drive 45 minutes to the nearest store.
-
i have an iPhone application already developed and it works great ,now i need to make that same application for my iPad .can someone please tell me step by step instructions on how to make it .
Try the developer's forum:
https://discussions.apple.com/community/developer_forums -
Do you have an idea how to improve the performance ?
Hi All,
Greeting,
I'm doing SEM IP. Regarding the performance, do you have some thought about this ?
So I have planning report for project report . As we know, if we forecast against project, means the date itself is the life of the project itself.
It means it could be more than 10 years (forecast period) and 10 years (actual period). Currently I segregate between actual and forecast into different info cube .
But the performance of the planning report is slow now. Do you have an idea about this how to increase the performance. The performance I mentioned here is when we're going to the report (after putting in the value in the selection screen).
The other question, at this moment, I have a multiprovider than this multi provider consist 2 info cubes ( actual and forecast ). Than my aggregation is sitting on top of that multi-provider .
My question whether that's approach correct or not ? Or do we have to create 1 aggregate (only for forecast), than I have multi-provider consisting forecasting aggregation and actual cube .
than my query will sit on top of that multi-provider ?
Which one is better ??
Thanks a lot all,
really need your help,Hi,
For the performance tuning, you can consider any of the following three methods,
1. Indices
With an increasing number of data records in the InfoCube, not only the load but also the query performance can be reduced. This is attributed to the increasing demands on the system for maintaining indexes. The indexes that are created in the fact table for each dimension allow you to easily find and select the data.
2. Partitioning
By using partitioning you can split up the whole dataset for an InfoCube into several, smaller, physically independent and redundancy-free units. Thanks to this separation, performance is increased when reporting, or also when deleting data from the InfoCube.
3. Aggregates
Aggregates make it possible to access InfoCube data quickly in Reporting. Aggregates serve, in a similar way to database indexes, to improve performance.
4. Compressing the Infocube
Infocube compression means aggregation of the data ignoring the request idu2019s. After compression, the system need not perform aggregation using the request ID every time you execute a query.
And I feel that as per your scenario, you need to do first compress the data based on user requirements and have only the required data in the infocube.
And for the approach regarding the Aggregation level design, choosing between the two approaches depends on the user requirements. For example,
If you have aggregation level created on top of multiprovider containing actual and forecast cube, in your report (created on top of aggregation level) you can view the key figure values present in both the cubes, which is not possible in the other approach.
So this approach is suited if your requirement is to view the records from both the cubes in your report (Comparing planning and actual values).
The second approach is used if your requirement is only to report on planning forecast cube.
Hopes this solves your issue.
Regards,
Balajee -
FORMS CRASHES (FRM-92101) ON AS 10.1.2.0.2 DURING LOAD PERFORMANCE TESTING
Hiya
We have been doing Load Performance Testing using testing tool QALoad on our Forms 10g application. After about 56 virtual users(sessions) have logged-in into our application, if a new user tries to log-in into our application, the Forms crashes. As soon as we encounter the FRM-92101 error, no more new forms session are able to start.
The Load Testing software start up each process very quickly, about every 10 seconds.
The very first form that appears is the login form of our application. So before the login screen appears, we get FRM-92101 error message.
However, those users who have already logged-in into our application, they are able to carry on their tasks.
We are using Application Server 10g 10.1.2.0.2. I have checked the status on Application Server through Oracle Enterprise Manager Console. The OC4J Instance is up and running. Also, server's configuration is pretty good. It is running on 2 CPUs (AMD Opteron 3GHz) and has 32GB of memory. The memory used by those 56 sessions is less than 3GB.
The Applicatin Server is running on a Microsoft Windows Server 2003 64bit Enterprise Edition.
Any help will be much appreciated.
Cheers
MayurHi Shekhawat
In Windows Registry go to
HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\SubSystems
In the right hand side panel, you will find String Value as Windows. Now double click on it (Windows). In the pop up window you will see a string similar to the following one:
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ProfileControl=Off MaxRequestThreads=16
Now if you read it carefully in the above string, you will find this parameter
SharedSection=1024,20480,768
Here SharedSection specifies the system and desktop heaps using the following format:
SharedSection=xxxx,yyyy,zzzz
The default values are 1024,3072,512
All the values are in Kilobytes (KB)
xxxx = System-wide Heapsize. There is no need to modify this value.
yyyy = IO Desktop Heapsize. This is the heap for memory objects in the IO Desktop.
zzzz = Non-IO Desktop Heapsize. This is the heap for memory objects in the Non-IO Desktop.
On our server the values were as follows :
1024,20480,768
We changed the size of Non-IO desktop heapsize from 768 to 5112. With 5112 KB we managed to test our application for upto 495 virtual users.
Cheers
Mayur
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