Monitor Transactions Per second

Some times I see my SQL Server is running less than 2000 Transactions per second (from the "Transactions /sec" Perfmon counter) and some times I see there are 17000 Transactions per second.
If I want to find out which application is executing these transactions or which query is executing these transactions, is there a way to find this out?

If its a prod and a busy server, running the profiler *for few hours* wont be a good idea. You may opt to run the sever side traces with only specific events.
http://msdn.microsoft.com/en-us/library/cc293613.aspx
If you are using SQL server 2012 you can use extended events
http://msdn.microsoft.com/en-IN/library/bb630282.aspx
Satheesh
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Calculate transaction per second

Dear Friends ,
I have run the Oracle 10g with AIX unix server . I want to know "How many Transaction is occured per minute or second" in PEAK hour into my production server . How can I find it ? Give me some suggestions plz ... ..

An Oracle "transaction" isn't the same as Business "transaction". If you are getting "transactions per second" to report to management (even if it is IT management), you better be sure you identify which transactions you are counting.
If I run a PLSQL loop that does
loop 1 to 1000
insert into table ...
commit ;
end loopI get 1,000 "transactions" and 1000 INSERT "executions" being reported by Oracle.
On the other hand if I run
loop 1 to 1000
insert into table ...
end loop
commit;I get only 1 "transaction" and 1000 INSERT "executions" being reported by Oracle.
Next, if I run
insert into table ... select ... 1000 rows ..
commit;I get 1 "transaction" and 1 INSERT "execution".
Any database application will have a mix of "transactions" of different sizes being executed by different users / application server processes / clients.
If you take the aggregate "transactions" count you are going to be sorely disappointed and disappointing your managers !

Control the transaction per second ( TPS ) to down stream system through Oracle SOA

Hi,
As part of our business flow, BPEL calling down stream system via OSB.
However the down stream system can accept only 5 request per second.
1. Tried implementing DB poller to invoke down stream system each second with 5 records.
The flow is as follows .
DB --> Poller --> ParentBPEL --> Down Stream System
In this case Poller can able to poll 5 records from DB and push it to "DownStreamSystem" via "ParentBPEL" process.
But here the contraint is , the "DownStreamSystem" strickly can able to process only 5 requests per second.
If the "DownStreamSystem" is processed 4 request and processing 1 request at first second, then in the next second the fusion should push only 4 request . Since the number records in processing state should be 5 at a time.
Please help me out to solve this scenario or suggest me if there is any other alternative to achieve the solution.
Thanks in Advance ...

maybe throttling in the osb is of any help ?
Throttling
since you really have hard specs on the "currently processed messages" you could add some coherence cache and use that as sort of lookup to see what messages are getting processed at which time. (it's just some guessing, since i don't have any experience with the situation you're describing)

Transaction per second report

Hi All,
Anyone has a quick solution to generate report for transaction/sec?
I have many transactions defined in .web test. During load test, the transaction table doesn't show me transaction/sec details.
I know this detail is captured, as I can add this to a graph by dragging down the transactions.
I have 20+ transactions and manually dragging this to a graph and then exporting to excel is killing time,...
I am not so much used to the load test database reference...Appreciate, if anyone of you can give me a best possible solution. Thanks!!

Hi Shiv_p,
The better workaround is that you could read the data from the load test database, or a way as you have achieved it, export the result to excel after you add it manually to the graph.
In the summery, it seems that it just shared the simple result like transactions/sec
If they are not the workarounds you want to get, maybe you could submit a feature request here:
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.
Best Regards,
Jack
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Transactions per second

Whats it the maximum TPS we can achieve in Biztalk ?

Hi Tare,
There is no standard answer to this question. Because there are many components which play a role in processing.
Depending on the combination of the BizTalk components (Orchestration, Messaging, custom components, etc) and hardware, the processing time varies.
So it depends, on whether you are dealing with large size message, if it is messaging only or orchestration is involved, the processor and Ram etc.
For me, I have seen upto 500 messages in a second but again it depends. To find out you can go ahead and do stress/load testing of your application.
Maheshkumar
S Tiwari|User
Page|Blog|BizTalk
Server: Multiple XML files to Single FlatFile Using File Adapter

Transaction Rate Per Second

How can I determine the transaction rate per second for my database? I found the following script:
SELECT SUM(s.value/
(86400*(SYSDATE - TO_DATE(i.VALUE,'J')))) "tps"
FROM V$SYSSTAT s, V$INSTANCE i
WHERE s.NAME in ('user commits','transaction rollbacks')
AND i.KEY = 'STARTUP TIME - JULIAN' ---
But - I don't know where the "86400" value came from? Does anyone have any insight? - or a valid script to determine the tps (transaction rate per second)? Thanks

Dianne,
There are 86400 seconds in a day. The query you are using divides all commits and rollback transactions by the time the system has been up and running in seconds. Hence, transactions per second...... tps.....
Hope this is an accurate response.
Adam
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Dianne Jones ([email protected]):
How can I determine the transaction rate per second for my database? I found the following script:
SELECT SUM(s.value/
(86400*(SYSDATE - TO_DATE(i.VALUE,'J')))) "tps"
FROM V$SYSSTAT s, V$INSTANCE i
WHERE s.NAME in ('user commits','transaction rollbacks')
AND i.KEY = 'STARTUP TIME - JULIAN' ---
But - I don't know where the "86400" value came from? Does anyone have any insight? - or a valid script to determine the tps (transaction rate per second)? Thanks <HR></BLOCKQUOTE>
null

Horrible video skip / lag problem - once per second in all apps!

I built a new system last month (my first AMD) and I am having a really aggravating problem. In all games and all video playback I get an annoying skip once per second, every second. It affects sound during gameplay but not during movie or mp3 playback. It even happens with the visualization mode in Windows Media Player.
My system is as follows: MSI K8N Neo4-F, A64 3200+ venice core, MSI 6800GT 256MB PCI-E, two sticks of Corsair valueselect DDR400 512MB each, 500 watt PS, 160GB 7200 SATA HDD. Most recent NVIDIA drivers for everything. WinXP Pro with SP2 and all updates, DX9C. Nothing overclocked, all settings standard.
I have tried the following solutions:
1) BIOS upgrades, started with 1.4, installed 1.5, MSI tech support gave me 1.6b2 and I installed that. No luck with any of them.
2) Memory, installed per MSI directions, but I've tried all legal combinations, including one stick at a time. No change.
3) full format and reinstall of WinXP. No luck.
4) Switching between WinXP IDE drivers and NVidia drivers, with and without RAID drivers, No luck.
5) Removal of 6800GT PCI-E card and replacing with Ancient 8MB PCI Permedia2 video card. Problem still persists.
6) Disable onboard sound and LAN. No luck.
7) Running Fedora core 4 on second partition. Installed Nvidia video drivers, tried some games. THIS WORKS! No hitch, no skip, no nothing. Framerates are noticably slower but very stable. In WinXP I saw framerates bounce all over the place, from 230 FPS down to about 70 with one game. That same game on Linux ran smoothly at about 166 FPS with only occasional slight drops. The big FPS drops in Windows usually came right after one of the skips but didn't occure after every skip.
Right now I'm stumped. Linux uses totally different drivers for sound, LAN and SATA support. Some of those drivers don't fully use the Nforce4 chipset's features, maybe that's part of the difference.

Thanks TireSmoke:
I had found that sticky, but I took your advice and went thorugh it in detail last night. Lots of great info, fixes tweaks and tools, sadly none of them fixed my problem. The lag problem most people are reporting is not really like the wierd problem I am having. I have tried the recoommended fixes with ablsolutely no change in my system's behavior.
I am beginning to suspect a faulty motherboard component.
Russ_XP:
I think you are correct about fast writes. I googled the heck out of that last night and couldn't find any reference to enabling or disabling fast writes on PCI-E.
The drive is SATA-1. The Neo4-F is not SATA-2 enabled (there is a hack for it though). From memory I think it's a Western Digital WD1600-something, 7200 RPM dirve. I've tried it on both SATA buses and tried disabling the unused bus in BIOS.
I'm pretty sure I can dig up an old PATA drive somewhere and give that a try.
Gpalmer:
True enough, and I don't have these problems under Fedora. Sadly this is a cross-platform game development box, I need both XP and Fedora working.
Black_God:
Nope, this is a clean install. Although I wonder, could any of the built in XP update and security tools be causing this? I have disabled Windows firewall and virus protection monitoring.

Pages Per Second, User Modes

What is being recorded in the Pages per second metrics, is it:
1) The DOWNLOAD and (emulated) RENDERING of the page with its attributes/objects (pages, images, frames etc)
OR
2) Just the DOWNLOAD of the page with its attributes/objects.
Does this change between User Modes i.e. Thick and Thin Client

Hi Paul,
A page is the eTester representation of what would be a web page in terms of navigations and actions that are performed in the web browser after the document is completely rendered and before the last transition.
Open the navigation editor and take a look at the Navigations tree. There it can be seen how the pages are divided. Each page will have between 0 to multiple navigations. Pages with zero navigations doesn't count, these pages won't even be shown in the report. If the page have frames the page will show more than one navigation. If the web application uses ajax or a similar technology with http transactions, or if the page uses java applets, flash objects or activex controls that makes http transactions and the proxy recorder was On, then the pages most likely will show more than one navigation.
eLoad will request all the navigations contained in any given page of any script in your load test scenario, if the web server will responds back successfuly for all the navigations, then this is counted as one page received. eLoad willl be requesting multiple pages from the different scripts that exists in the scenario submitted then it will count how many of those pages are being received in an interval of time, then makes a units convertion of the time interval in order to display it in seconds.
The pages received per second is the average of how many pages with all the navigations contained in it were successfully obtained from the web servers every second.
The pages per second is the same statistic regardless if you are running in thick or in thin.
The pages per second doesn't take into consideration the download of images, scripts, css, or any other object. These are considered in the hits per second.
A similar thread was created earlier:
http://qazone.empirix.com/thread.jspa?threadID=11&tstart=30
The link was inserted here for crossreference if required later.
Regards,
Zuriel

Weird number of disk-transfers per second when in SYNC mode

Hi, I've managed to configure BDB in synchronous mode (i.e., each put is persisted on disk when committing). However, now I'm doing 2000 puts per seconds, each with payload from 10 to 250 kilobytes, yet I'm getting (from iostat) that each disk-transfer is only about 6 kilobytes (because of 23 megabytes written on disk per second, divided by 3750 transfers per second). How is that even possible? Is there a way of telling BDB to minimize the number of disk-transfers per second in SYNC mode? It seems that BDB is breaking each put's payload into smaller pieces, and only then saving to disk in a bunch of disk-transfers.

Hi,
JE does not split up a single write into multiple writes -- and certainly doesn't do an fsync for each one.
JE may do multiple writes (but not fsyncs) for a single, multi-operation txn if the write buffer fills. And it will do multiple writes for a single operation, if the record is larger than the write buffer. However, it doesn't sounds like this (overflowing of the write buffer) is what you're experiencing. In any case, you can configure the size of the JE write buffer with EnvironmentConfig.LOG_TOTAL_BUFFER_BYTES, LOG_NUM_BUFFERS, and LOG_BUFFER_SIZE.
Another thing is that JE will group fsyncs (this is called "group commit") when multiple threads are committing concurrently with SYNC durability. In this case you'll see a smaller number of physical writes than the number of commits.
I asked a colleague who has more experience with iostat than I do about this, and he gave me the following information:
We would expect there to be one sync per put on average, assuming the application is doing serial writes and there are no group commits to further obfuscate the issue. Given the high sync write rate, the writes are presumably to an SSD, or spinning rust with a large non-volatile disk write cache
I'm not sure what he means by disk transactions in iostats. Perhaps he means the number of disk transfer requests issued to the device listed as tps (transfers per sec) in iostat output.
If he is using ext3 and he does not have the file system mounted with noatime, he may be observing write requests to update the file system "atime" metadata with each request. So for 2K sync puts/sec he would see roughly 4K (2k put + 2k atime update) write requests/sec and his average write payload would be ~12KB/transfer (the atime write payload is negligible), which would be consistent with the application's put behavior. This is all a guess.
I hope this helps.
--mark

Console reporting webkit having hundreds of wakeups per second

I have been noticing frequent computer slowdowns on my 2011 MacBook Pro, always fully patched.
Checking Console, I found dozens of reports from Webkit saying things like "140 wake ups per second for 194 seconds"
I think these are related!!! Can someone tell me how to resolve this

Hello Antonio,
This forum is used to discuss and ask questions about .NET Framework Base Classes (BCL) such as Collections, I/O, Regigistry, Globalization, Reflection. Also discuss all the other Microsoft libraries that are built on or extend the .NET Framework, including
Managed Extensibility Framework (MEF), Charting Controls, CardSpace, Windows Identity Foundation (WIF), Point of Sale (POS), Transactions.
It seems your issue is more regarding Web Application issue, I suggest you posting it to:
http://forums.iis.net/1158.aspx
And you can check this article which may be helpful:
http://aspalliance.com/1184_Avoiding_Blocking_Issues_in_ASPNET_Session_State_Databases
Thanks for understanding.
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How to find Transactions per time in 11gr2 ?

In 11gr2, Any sql query, to know the how many transaction per time/second happening?

In 11gr2, Any sql query, to know the how many transaction per time/second happening?count number of COMMIT in REDO log file

Svchost.exe is accessing jp2iexp.dll hunderds of times per second

I'm running Vista 64 and was trying to get rid of all the HD IO. So I ran sysinternals Process monitor and kicked the searchindexer.exe. But I also found that svchost.exe is accessing ...\jre6\bin\jp2iexp.dll hunderds of times per second. What is it doing? My JRE is 1.6.0_12-b04.

tbeernot wrote:
No. I have IE7, FF3, Safari4 and Chrome1 on my system and used them alternating for testing. In this case I indeed used IE to start process monitor.
Are you suggesting that the svchost.exe is IE and it is reading the DLL? Question then still remains: why?No, certainly not.
svchost is a required Windows process.
I am guessing from the naming of the dll p2iexp.dll
^^ xp or vista
^^ ie; internet explorer
^^ p2; dunno, maybe plugin version 2 ?A quick Google ( [svchost.exe|http://www.google.com/search?q=svchost.exe] )
gives a number of b0rked entries :-(
and a number of what seems to be useful entries;
[http://support.microsoft.com/kb/314056|http://support.microsoft.com/kb/314056]
[http://www.howtogeek.com/howto/windows-vista/what-is-svchostexe-and-why-is-it-running/|http://www.howtogeek.com/howto/windows-vista/what-is-svchostexe-and-why-is-it-running/]
[http://www.watchingthenet.com/how-to-identify-what-programs-started-svchostexe-in-windows.html|http://www.watchingthenet.com/how-to-identify-what-programs-started-svchostexe-in-windows.html]
[http://ask-leo.com/svchost_and_svchostexe_crashs_cpu_maximization_viruses_exploits_and_more.html|http://ask-leo.com/svchost_and_svchostexe_crashs_cpu_maximization_viruses_exploits_and_more.html]
[http://windowsxp.mvps.org/svchost.htm|http://windowsxp.mvps.org/svchost.htm]
[http://www.processlibrary.com/directory/files/svchost/|http://www.processlibrary.com/directory/files/svchost/]

Requests per second

Hi all,
I would get or calculate how many requests per second (ReqsPerSec) my WS is doing (average in a period).
I looked at the Admin console monitoring data and at perfdump output.
From console I get AvgReqs in last 15'. Iis it correct to calculate ReqsPerSec = AvgReqs / 900 ?
From perfdump I get average RequestProcessingTime. Is it correct to calculate ReqsPerSec = 1 / RequestProcessingTime ?
Which is the most correct/accurate way to get it?
MTIA

If you really need reqs/second then you can do so by :
a) at time t1, collect perf-dump and get total requests served (say r1)
b) at time t2, collect perf-dump and get total requests served (say r2)
So avg rq/sec = (r2 - r1)/(t2 - t1)
So you can yourself collect rq/sec based on last x minutes (or since the server start).
Just curious what do you want to do with rq/sec?

Too High Wakeups-from-idle per second

I am using Arch for the past few months and I have been noticing that the battery is draining much quicker than it used to be in windows.
I used powertop and found out that the "Wakeups-from-idle per second" is way too high. It is ~300 per second on average and once i even saw numbers like 8000 !!
The link http://www.linuxpowertop.org/powertop.php quotes it is possible to get 3 wakeups running a full GNOME desktop. It says that 193 is lot more than 3.
But in my case the numbers are way too high than expected. I run Arch with XFCE4.
Can somebody explain why am I seeing such high numbers and is this the reason for my battery draining ?

nachiappan wrote:Can somebody explain why am I seeing such high numbers and is this the reason for my battery draining ?
Powertop shows what is causing the wakeups. If it is the kernel, trying a different frequency governor might help.
More than likely tweaking a few different settings together will get you more battery life, the wakeups alone won't be doing all the battery draining.
There's lots of helpful hints on power saving here:
https://wiki.archlinux.org/index.php/La … ttery_life
edit: seems your cpu isn't being monitored correctly. 3000% seems so wrong.
What kernel and cpu are you using?
Last edited by moetunes (2012-02-23 00:12:46)

ASA events per second

Looking for a model comparison for the ASA family. I need to know how many events per second the ASA is capable of sending to a syslog server.
Thanks.

Among the many products and technologies that make the Self-Defending Network possible is the Cisco Security Monitoring, Analysis, and Response System (Cisco Security MARS). This appliance, which comes in six different models to accommodate from 50 to 10,000 events per second
http://cisco.com/en/US/netsol/ns643/netbr0900aecd80591d44.html

Monitor Transactions Per second

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