Performance test / Load Test in EP
Hi Experts ,
System Landscape - EP 2004s / TREX rev 31
We need to do response testing / load testing in EP.
Test will cover following KPIs .
a) Login time / response .
b) Navigation Time / response.
c) search time / response.
d) Load testing .
Does SAP suggest any tool for this or any method how to perform this .
Does anybody have any Idea how to go about this ?
Thanks & Regards
Amit kade
Hi Amit,
Check this thread
https://forums.sdn.sap.com/thread.jspa?threadID=21561&tstart=0
Hope this helps.
Regards,
Venkat.
Reward points for useful ans.
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Develop and promote your apps in Windows Store
Please remember to mark the replies as answers if they help and unmark them if they provide no help. -
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 setup the environment for doing the Performance Testing?
Hi,
We are planning to start the performance testing for iProcurement Product, Max number of user we are going to use 1000. For this simulation, what are all basic setups need to do for Application Tier, Database Tier,etc... Can anyone suggest what is procedure to setup environment depending upon the load?User Guides for thee rv120W are here:
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http://www.cisco.com/en/US/docs/routers/csbr/rv120w/administration/guide/rv120w_admin.pdf
and theres some more stuff over on my site:
http://www.linksysinfo.org/index.php?forums/cisco-small-business-routers-and-vpn-solutions.49/ -
Using Test Setting file to run web performance tests in different environments
Hello,
I have a set of web performance tests that I want to be able to run in different environments.
Currently I have csv file containing the url of the load balancer of the particular environment I want to run the load test containing the web performance tests in, and to run it in a different environment I just edit this csv file.
Is it possible to use the test settings file to point the web performance tests at a particular environment?
I am using VSTS 2012 Ultimate.
ThanksInstead of using the testsettings I suggest using the "Parameterize web servers" command (found via context menu on the web test, or via one of the icons). The left hand column then suggests context parameter names for the parameterised web server
URLs. It should be possible to use data source entries instead. You may need to wrap the data source accesses in doubled curly braces if editing via the "Parameterize web servers" window.
Regards
Adrian -
ActiveX Control recording but not playing back in a VS 2012 Web Performance Test
I am testing an application that loads an Active X control for entering some login information. While recording, this control works fine and I am able to enter information and it is recorded. However on playback in the playback window it has the error "An
add-on for this website failed to run. Check the security settings in Internet Options for potential conflicts."
Window 7 OS 64 bit
IE 8 recorded on 32 bit version
I see no obvious security conflicts. This runs fine when navigating through manually and recording. It is only during playback where this error occurs.Hi IndyJason,
Thank you for posting in MSDN forum.
As you said that you could not playback the Active X control successfully in web performance test. I know that the ActiveX controls in your Web application will fall into three categories, depending on how they work at the HTTP level.
Reference:
https://msdn.microsoft.com/en-us/library/ms404678%28v=vs.110%29.aspx?f=255&MSPPError=-2147217396
I found that this confusion may be come from the browser preview in the Web test result viewer. The Web Performance Test Results Viewer does not allow script or ActiveX controls to run, because the Web performance test engine does not run the, and for security
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For more information, please you refer to this follwoing blog(Web Tests Can Succeed Even Though It Appears They Failed Part):
http://blogs.msdn.com/edglas/archive/2010/03/24/web-test-authoring-and-debugging-techniques-for-visual-studio-2010.aspx
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[Ann] FirstACT 2.2 released for SOAP performance testing
Empirix Releases FirstACT 2.2 for Performance Testing of SOAP-based Web Services
FirstACT 2.2 is available for free evaluation immediately at http://www.empirix.com/TryFirstACT
Waltham, MA -- June 5, 2002 -- Empirix Inc., the leading provider of test and monitoring
solutions for Web, voice and network applications, today announced FirstACT™ 2.2,
the fifth release of the industry's first and most comprehensive automated performance
testing tool for Web Services.
As enterprise organizations are beginning to adopt Web Services, the types of Web
Services being developed and their testing needs is in a state of change. Major
software testing solution vendor, Empirix is committed to ensuring that organizations
developing enterprise software using Web Services can continue to verify the performance
of their enterprise as quickly and cost effectively as possible regardless of the
architecture they are built upon.
Working with organizations developing Web Services, we have observed several emerging
trends. First, organizations are tending to develop Web Services that transfer a
sizable amount of data within each transaction by passing in user-defined XML data
types as part of the SOAP request. As a result, they require a solution that automatically
generates SOAP requests using XML data types and allows them to be quickly customized.
Second, organizations require highly scalable test solutions. Many organizations
are using Web Services to exchange information between business partners and have
Service Level Agreements (SLAs) in place specifying guaranteed performance metrics.
Organizations need to performance test to these SLAs to avoid financial and business
penalties. Finally, many organizations just beginning to use automated testing tools
for Web Services have already made significant investments in making SOAP scripts
by hand. They would like to import SOAP requests into an automated testing tool
for regression testing.
Empirix FirstACT 2.2 meets or exceeds the testing needs of these emerging trends
in Web Services testing by offering the following new functionality:
1. Automatic and customizable test script generation for XML data types – FirstACT
2.2 will generate complete test scripts and allow the user to graphically customize
test data without requiring programming. FirstACT now includes a simple-to-use XML
editor for data entry or more advanced SOAP request customization.
2. Scalability Guarantee – FirstACT 2.2 has been designed to be highly scalable to
performance test Web Services. Customers using FirstACT today regularly simulate
between several hundred to several thousand users. Empirix will guarantee to
performance test the numbers of users an organization needs to test to meet its business
needs.
3. Importing Existing Test Scripts – FirstACT 2.2 can now import existing SOAP request
directly into the tool on a user-by-user basis. As a result, some users simulated
can import SOAP requests; others can be automatically generated by FirstACT.
Web Services facilitates the easy exchange of business-critical data and information
across heterogeneous network systems. Gartner estimates that 75% of all businesses
with more than $100 million in sales will have begun to develop Web Services applications
or will have deployed a production system using Web Services technology by the end
of 2002. As part of this move to Web Services, "vendors are moving forward with
the technology and architecture elements underlying a Web Services application model,"
Gartner reports. While this model holds exciting potential, the added protocol layers
necessary to implement it can have a serious impact on application performance, causing
delays in development and in the retrieval of information for end users.
"Today Web Services play an increasingly prominent but changing role in the success
of enterprise software projects, but they can only deliver on their promise if they
perform reliably," said Steven Kolak, FirstACT product manager at Empirix. "With
its graphical user interface and extensive test-case generation capability, FirstACT
is the first Web Services testing tool that can be used by software developers or
QA test engineers. FirstACT tests the performance and functionality of Web Services
whether they are built upon J2EE, .NET, or other technologies. FirstACT 2.2 provides
the most comprehensive Web Services testing solution that meets or exceeds the changing
demands of organizations testing Web Services for performance, functionality, and
functionality under load.”
Learn more?
Read about Empirix FirstACT at http://www.empirix.com/FirstACT. FirstACT 2.2 is
available for free evaluation immediately at http://www.empirix.com/TryFirstACT.
Pricing starts at $4,995. For additional information, call (781) 993-8500.Simon,
I will admit, I almost never use SQL Developer. I have been a long time Toad user, but for this tool, I fumbled around a bit and got everything up and running quickly.
That said, I tried the new GeoRaptor tool using this tutorial (which is I think is close enough to get the jist). http://sourceforge.net/apps/mediawiki/georaptor/index.php?title=A_Gentle_Introduction:_Create_Table,_Metadata_Registration,_Indexing_and_Mapping
As I stumble around it, I'll try and leave some feedback, and probably ask some rather stupid questions.
Thanks for the effort,
Bryan -
Performance test on MVC application
Hi All,
By using Visual Studio Performance tool, how can we test ASP.Net MVC application.
When we open our MVC application basically it is loading very slow
Can we get the below information by using Visual Studio Performance tool.
1. How the controller is getting the input and passing it to the model for the retrieving the data.
2. How can we see the performance of the controller passing the input to the service and getting the information and passing it to the view
We want to the observe where exactly the delay is happening.
We also have many java script functions written in the code.
Please help me in providing the following information.
Thanks
SantoshHi Santosh,
Thanks for your post.
Generally, I know that the VS Performance tool: load test is used to expect usage of a software program by simulating multiple users who access the program at the same time.
The load test consist of a series of Web performance tests which operate under multiple simulated users over a period of time.
For more information:
https://msdn.microsoft.com/en-us/library/vstudio/dd293540(v=vs.110).aspx
https://msdn.microsoft.com/en-us/library/dn250793.aspx
Load tests provide named counter sets, they are useful when you analyze performance counter data. The counter sets include ASP.NET, so when you create a load test with the Load Test Wizard, you add an initial set of counters.
https://msdn.microsoft.com/en-us/library/ms404676.aspx?f=255&MSPPError=-2147217396
https://msdn.microsoft.com/en-us/library/ms404704.aspx
After you run this load test, you can use the load test analyzer to view your load test data and analyze your load test to locate bottlenecks, identify errors, and measure improvements in your application.
https://msdn.microsoft.com/en-us/library/ee923686.aspx
Best Regards,
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