Application intermittently slow

our application using oracle 11g on RAC. one of query run intermittently slow/fast, sometimes 05 sec. sometimes 30 sec.
run the sql from sql plus seems very fast.
Also, there almost no load, only 2~3 users on this system.
What could be the reason?
Thanks

Need more info :-)
When your query takes too long:
When your query takes too long ...
HOW TO: Post a SQL statement tuning request - template posting
HTH
Srini

Similar Messages

Application running slow in ver 1.5, 1.6 but not in 1.4

We have a application that was running very slow when we used any version sun java instead of MS java in IE6 SP2.
I removed MS Java from IE and installed Sun java 1.4.2_16 and the applications starts in under 10sec's.
But we had to test the other version of java as well, i then installed the other versions from 1.5 update 14 to 1.6 update 4 and the application takes about 30 to 40 sec to load the web page.
I then looked at the development version of java 1.6 update 10 and version 7. In 1.6 update 10 the application would load but would not refresh the applets it would just hang. In version 7 the application would not start up at all.
In all the versions i increased the memory parmeters from 128 to 256 and in version 1.6 i changed it to -Xmx300m as well but still the application was slow loading. Removed all the versions and reinstalled 1.4.2_14 and the application works fine and loads up under 10 sec.
Does any one have any idea why this is happening.
IE 6 sp2
XP sp2 been used.

You should try profiling the startup code.
As a first go around, you might try getting a stack trace during the startup process and look for locks (see jstack).
If your application is built on Swing, it's my understanding that the later versions of Java are more strict about use of the Event Dispatch Thread--pay particular attention to activity off the EDT locking the thread.

I just update my iMac from Mountain Lion to Mavericks and the application are slow to open. The same happens to opening webpages . Please help

just update my iMac from Mountain Lion to Mavericks and the application are slow to open. The same happens to opening webpages . Please help

Resetting your Mac's PRAM and NVRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
Restart the computer in Safe Mode, then restart again, normally. If this doesn't help, then:
Reinstalling Mavericks, Lion/Mountain Lion Without Erasing the Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion/Mountain Lion, Mavericks: Select Reinstall Lion/Mountain Lion, Mavericks and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

Webutil_host.blocking procedure blocking the application intermittently

we are using webutil_host.blocking procedure to open a word document and have the application blocked until word document is closed. It opens the word document fine but blocking the application intermittently. Since it was not blocking intially, I started debugging and tried recompiling the form. It is now blocking the application fine, with no change in the code. It is definitely not the recompilation that made the trick because I compiled the form many times earlier while I was working on other parts of the form. Please share your expertise if anyone had the same issue.

we are using Forms 10.1.2.0.2 with Webutil 1.0.6

Login intermittently slow with ZCM agent AND Novell client

We continue to struggle with intermittently slow logins in our environment. In testing, we noticed that logins are very fast (10-20 seconds) when only the Novell Client is installed, and very fast (~10 seconds) when only the ZCM agent is installed. However, when they are both installed, logins slow down, sometimes to 1.5 minutes or longer.
We have checked DNS and rDNS, and they are both configured properly. SLP is working properly as demonstrated by the fast logins when only the client is installed. We use LDAP for user lookup, and it also works very fast to resolve user names (~ 1 second).
We are using ZCM 10.3.1, and the client is fully patched as well (both Novell Client 2 and 4.91)
Are there any specific settings (for the ZCM agent or the client itself) that might address this issue?

My apologies, I told you to remove the wrong thing.
I should have said NMAS instead of CASA.
I am just so used to saying CASA when talking about ZCM.
In regards to NMAS, you could simply rename "NWSSO.DLL" as a test.
If NMAS is installed which is tested by the existence of this DLL, then
a certain NMAS call is always made, which in some cases can take a long
time.
On 11/9/2010 12:06 PM, dshofkom33 wrote:
>
> craig_wilson;2042688 Wrote:
>> Try removing CASA from the device and see if that makes a difference.
>> A TID will be out on the issue soon.
>>
>> On 10/5/2010 4:36 PM, kjhurni wrote:
>>>
>>> Hmm, I will have to try that. I've only observed that with ZCM
>>> installed (with Novell Client 4.91 SP5 on XP) that the login time
>> goes
>>> from about 12-15 seconds to about 50-70 seconds.
>>>
>>> But I've not tried "just" the ZCM agent.
>>>
>>>
>>
>>
>> --
>> Craig Wilson - MCNE, MCSE, CCNA
>> Novell Knowledge Partner
>>
>> Novell does not officially monitor these forums.
>>
>> Suggestions/Opinions/Statements made by me are solely my own.
>> These thoughts may not be shared by either Novell or any rational
>> human.
>
> I removed CASA and now I cannot sign into ZCM. I get the "unable to
> login to network because the login credentials are incorrect" Windows
> Security Message. Any ideas?
>
>
Craig Wilson - MCNE, MCSE, CCNA
Novell Knowledge Partner
Novell does not officially monitor these forums.
Suggestions/Opinions/Statements made by me are solely my own.
These thoughts may not be shared by either Novell or any rational human.

Application very slow to installing on macbook pro , why?

application very slow to installing on macbook pro , why?

Spider.007 is correct, here is my current setup:
NAME FSTYPE LABEL UUID MOUNTPOINT
sda
├─sda1 vfat EFI 70D6-1701
├─sda2 hfsplus Macintosh SSD 956c7127-1bde-348b-9fb5-1b79cd05a4ad
├─sda3 hfsplus Recovery HD 4fa05f80-9ed0-3fc2-82eb-dbd6e4bd4b12
└─sda4 ext4 f741fbee-f3b0-4a95-b9b8-f35f4b4c28af /
sr0
Last edited by SilverOne (2014-05-04 01:12:50)

PixelGrabber is intermittently slow

Hi All,
PixelGrabber has some perfomance problems and there is a bug related to it here (http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4835595). However I am facing a bug where a offscreen image sometimes gets slow while I am running the PixelGrabber, this is the stack trace :
at java.awt.image.DirectColorModel.getsRGBComponentFromsRGB(DirectColorModel.java:305)
at java.awt.image.DirectColorModel.getRed(DirectColorModel.java:353)
at java.awt.image.DirectColorModel.getRGB(DirectColorModel.java:438)
at java.awt.image.PixelGrabber.setPixels(PixelGrabber.java:595)
at sun.awt.image.OffScreenImageSource.sendPixels(OffScreenImageSource.java:130)
at sun.awt.image.OffScreenImageSource.produce(OffScreenImageSource.java:161)
at sun.awt.image.OffScreenImageSource.addConsumer(OffScreenImageSource.java:37)
- locked <0x185b41c8> (a sun.awt.image.OffScreenImageSource)
at sun.awt.image.OffScreenImageSource.startProduction(OffScreenImageSource.java:51)
at java.awt.image.PixelGrabber.grabPixels(PixelGrabber.java:242)
- locked <0x185b4190> (a java.awt.image.PixelGrabber)
at java.awt.image.PixelGrabber.grabPixels(PixelGrabber.java:209)
Would somebody know if the intermittent slowness can be associated to the bug above ? ( in the bug it states it always happens) Has somebody ever had the same problem ?
Thanking you in advance
Ary Alves

Hi, there are ways to do it if you can live with certain restrictions.
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                throw new IllegalStateException("Hey that must be a int!");
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                throw new IllegalStateException("Uh - Someone else got to do this job!");
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            // Test: No coy
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Application Express slow down

I launched my first APEX application a week ago - before I went on my vacation. At that time, the response time was extremely fast - no matter if the user was trying to navigate between pages and tabs and to log in or log out. When I came back this morning, I found that the application was slowed. Then, I tried to see if the slow performance was related to the shared memory by clicking the same record several times for several records. What I saw was that the first time I called the record it was slow. When I called the same record after the first time, it became fast - because the record was cached. This showed me that the problem might relate to the shared memory. However, since the database is very small and the total SGA is already 300MB (Shared Pool: 148MB,
Buffer Cache: 136MB, Large Pool: 4MB, Java Pool: 4MB, Other: 8MB), it doesn't make sense to keep adding memory to it - especially the database server is now shared by 5 individual databases. I wonder if, after a while, some logs or sessions in APEX need to be "manually" purged in order to increase the performance.
Thanks.

The performance issue of APEX is strange because, at the very beginning, the performance of the application increased extremely right after I changed the total SGA from 198MB to 300MB (with about 160MB for buffer cache) - every page or tab was immediately loaded when clicked. It lasted for about 2 weeks. Then, since last couple of days, it slowed down significantly. It was no use even after I again increased the total SGA from 300MB to 400MB and re-started the database. This doesn't make sense because the performance should be consistent. Also, it is a very small database with only 5 users.
Has anyone encountered the same issue?
Thanks.

Application folder slowed down after 10.6.5 upgrade

Hi,
im not too sure whether this software upgrade cause the problem. my application folder slowed down when i am scrolling. it will lag and not as smooth as previously.
any way to resolve this problem. hope to hear from you guys soon. thanks alot: )

Are you referring to the list view in the Applications folder while open in Finder?
Did you take the usual precautions before and repair permissions after the latest software update?
If not, go to Disk Utility and repair permissions first. Restart.
If problem persists, it could be a corrupt preference file; go to Users -> Library -> Preferences and trash this file: com.apple.Finder.plist. Restart and see if the issue is resolved.

Why is Mac OS X 10.7 so much slower than Snow Leopard? It isnt smooth, applications are slow and most dont respond, and dowloads take hours, minutes.

Why is Mac OS X 10.7 so much slower than Snow Leopard? It isnt smooth, applications are slow and most dont respond, and dowloads take hours, not minutes.

Something is seriously wrong with your installation or you are critically low on RAM, like below 2 GB.
How much RAM is in your machine?
Have you tried a Recovery?

After installing Mavericks, computer is slow and applications are slow to open

Mavericks has slowed my IMAC to a crawl. Applications are slow to open. Disc burning is slow as well as photo editing. Any Idea's

We need more info about your iMac other than "My iMac is running slow."
What year, screen size, CPU speed and amount of RAM installed?
To find out info about your system, click on the Apple symbol in the upper left of the OS X main menu bar. A drop down menu appears. Click About this Mac. A smaller popup window appears. This gives you basic info like what version of OS X your iMac is running, the speed of your iMac's CPU and how much RAM is installed. Click on the button that says More Info. A larger window appears giving you a complete overview of your iMac's hardware specs. Highlight all of this info and copy/paste all of this into another reply to this post, editing out your iMac's serial number before actually posting the reply. This will tell us everything about your iMac so we may begin to help with your iMac issues.
How full is your Mac's hard drive?
Locate your iMac's hard drive icon on the OS X desktop. Click the icon once, then use the keyboard key combination Command-I. This will give you additonal info about your iMac's internal hard drive.
How many applications do you run simultaneously in the background while working in another application?
Do you run any antivirus software on your Mac? Antivirus software can slow down the normal operation of OS X.
Conpletely uninstall any virus software you have installed following the anti-virus deveolper's instructions.
Do you run any "crapware" like Mackeeper or any other type of "crapware" like so called hard drive "cleaning" apps?
Another her possibilty is that some hardware, like your iMac's hard drive, could be failing.

Intermittent slowness and disconnects

My Verizon DSL connection has been intermittently slow with random disconnects for the past 2 weeks. Unplugging/replugging the modem doesn't fix it. I'm in Pittsburgh using a Westell 7500. Any help?
news.giganews.com
1 gw1-g-vlan201.dca.giganews.com (216.196.98.4) 0 ms 0 ms 0 ms
2 xe-2-3-0.er1.iad10.us.above.net (209.66.64.189) 0 ms 0 ms 0 ms
3 xe-1-0-0.er2.iad10.us.above.net (64.125.25.50) 0 ms 0 ms 0 ms
4 above-uu.iad10.us.above.net (64.125.13.174) 7 ms 1 ms 0 ms
5 0.ae1.RES-BB-RTR2.verizon-gni.net (152.63.32.157) 1 ms 0 ms 0 ms
6 as0-0.PITT2-CORE-RTR1.verizon-gni.net (130.81.20.93) 6 ms 6 ms 6 ms
7 P3-0-0.PITT2-DSL-RTR7.verizon-gni.net (130.81.9.154) 8 ms 6 ms 6 ms
8 * * *
9 * * *
10 * * *
Max number of unresponsive hops reached (firewall or filter?)
news-europe.giganews.com
1 vl201.gw2.ams.giganews.com (216.196.110.2) 4 ms 0 ms 0 ms
2 208.174.49.145 (208.174.49.145) 1 ms 0 ms 0 ms
3 cr2-tengig-0-5-1-0.frankfurtft3.savvis.net (204.70.207.209) 9 ms 7 ms 18 ms
4 cr1-bundle-pos1.NewYork.savvis.net (204.70.196.137) 114 ms 101 ms 102 ms
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9 P4-0-0.PITT2-DSL-RTR7.verizon-gni.net (130.81.9.158) 107 ms 108 ms 105 ms
10 * * *
11 * * *
12 * * *
Max number of unresponsive hops reached (firewall or filter?)
Transceiver Statistics
Transceiver Revision: A2pB020b3.d20h
Vendor ID Code: 4D54
Line Mode: ADSL_2plus
Data Path: FAST
DSL Speed (Kbits/Sec) 5013 861
Margin (dB) 4.9 18.4
Line Attenuation (dB) 46.0 23.6
Transmit Power (dBm) 0.0 12.8

Your line looks to be pretty long to be using 5Mbps service on it. I think your disconnects may be from copper that is experiencing changes in how it is able to carry the DSL signal due to the changing weather. Perhaps the copper cabling is also deteriorating as it is exposed to the elements. Either way, we need to rule out some things first before deciding on a course of action.
Right now, your modem's margin is low, the downstream speed is not synced up correctly, and the attenuation is high. In addition, transmit powers are not reported but can be assumed, which also suggest a lenghty or degraded line as well as the equipment attempts to compensate for the speed.
If you have access to your NID, I'd like for you to plug your modem into it first to see if we can pull better statistics from the line. If they are much improved, we'll need to start troubleshooting where in the home the copper is giving issues. If there is no change, the next course of action would be to get Verizon out to repair the line on their end of things to try and improve the signal coming in. If they really cannot do anything, then I believe the line will require a bumping down in speed to 4Mbps/768kbps after overhead, instead of trying to aim for a full 5Mbps.
If the slow speed issues are not from the poor line stats, please give us some information on what is taking place when the speeds are reduced. Is it during the evening or night time hours when this occurs? Is there any particular usage pattern in your home that could be perhaps causing this issue? How about your modem sync speeds? Traceroutes?
========
The first to bring me 1Gbps Fiber for $30/m wins!

XI to R/3 intermittent slowness

Hi experts,
We are calling an external web service in ECC6 via XI server.
Request for data:
ECC6 -> XI -> Web service (WSDL) -> XI -> ECC6
We are facing an intermittent problem where the transfer of data (return route) from XI -> ECC6 could be extremely slow (normally ~3 seconds but intermittently it could be anywhere between 1 minute to >10 minutes).
I have checked that in XI monitoring, the web service call and respond was almost immediate (1-2 seconds) in every single call so there is absolutely no problem with the web service respond time.
In fact, the values are already recorded in XI monitoring, and the log in XI shows that processing has been passed back to ECC6. However, in ECC6, it could take a long time to process.
I am unable to find any log to investigate further on this. Does anyone have any idea what could be wrong, or how I can find the log to this performance issue?
Thank you in advance.

>I am unable to find any log to investigate further on this. Does anyone have any idea what could be wrong, or how I can find the log to this performance issue?
Few cents:
Did you notice time that messages leaving PI and reaching ECC. If there is no delay in processing between webservice & PI and leaving pi and reaching ecc then you can nail down that some application logic that executes in R/3 takes that time. Pi acts as a message mediator here.
>However, in ECC6, it could take a long time to process.
Talk to abap developers and let them analyze their application logic that takes this time. In this case PI is not having any issue.

How do I fix a Safari application that slows down and freezes everything?

Apple called last fall and said my particular Mac had a hard disk problem and they replaced it at the Apple store in late January 2013. I backed up the information on an external harddrive and used Time Machine before to transfer all the information to the new drive. Everything worked well and I finally put on Mountain Lion at 10.8.4. I also have Carbonite as a backup and it apparently was not enabled when I transferred the files until early May. In early May I had not used my iMac for about a month and when I started it I found about 40 named file folders on the Desktop that were empty. Some of those had named items in them but when I clicked on them they would dissappear. The actual files did exist and were not effected when I dumped the apparent alias folders. Safari started and would be ok at first but if I went away for an hour it would slow down. I took it in to the Genius Bar at Apple and they ran some tests and got rid of MacKeeper which they felt was causing the problem. I got my Mac back home and it still started slow but worked well at first and then started going slow. If I opened Word it would also start working at a slower speed. I needed to force quit Safari and the Word progran in order to quit or restart the Mac. I got an appointment for the next day and they ran all sorts of tests and the hard drive was working normally. They tried tweeking different areas and sent me home again. When I started working again it did the same thing, I would start out fine and eventually slow down and needed to be force quit to get out of it. A message came up indicating my MasOSX startup disk had no more space available for applications memory. I took it in a third time and the Genius went to the Activity Monitor and the Safari PID was 221 and %CPU 107, Threads 21 Real Mem 2.73 GB, Virtual Mem 22.00 Kind, Intel (64). I had no idea what that meant. I went home again and it still ran slow and couldn't run the programs for any length of time before it ran slow and affected the other programs so they would only quit if I used Force quit. I took it in for the forth time an they decided to keep it overnight. They ran ASD first to rule out memory. They noticed during the appointment the computer was slow to perform normal tasks such as showing boot options, booting into user, bootingto external user. If the ASD passed then they would perform erase and install and only restore users and application files from backup drive. They did this on Wed and Thur. night and I took it home Friday night, June 14 and it still has the same problem. Typing this message right now means typing and waiting for the words to appear.

Please read this whole message before doing anything.
This procedure is a diagnostic test. It won’t solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
Third-party system modifications are a common cause of usability problems. By a “system modification,” I mean software that affects the operation of other software — potentially for the worse. The following procedure will help identify which such modifications you've installed. Don’t be alarmed by the complexity of these instructions — they’re easy to carry out and won’t change anything on your Mac.
These steps are to be taken while booted in “normal” mode, not in safe mode. If you’re now running in safe mode, reboot as usual before continuing.
Below are instructions to enter some UNIX shell commands. The commands are harmless, but they must be entered exactly as given in order to work. If you have doubts about the safety of the procedure suggested here, search this site for other discussions in which it’s been followed without any report of ill effects.
Some of the commands will line-wrap or scroll in your browser, but each one is really just a single line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, and you can then copy it. The headings “Step 1” and so on are not part of the commands.
Note: If you have more than one user account, Step 2 must be taken as an administrator. Ordinarily that would be the user created automatically when you booted the system for the first time. The other steps should be taken as the user who has the problem, if different. Most personal Macs have only one user, and in that case this paragraph doesn’t apply.
Launch the Terminal application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Terminal in the icon grid.
When you launch Terminal, a text window will open with a line already in it, ending either in a dollar sign (“$”) or a percent sign (“%”). If you get the percent sign, enter “sh” and press return. You should then get a new line ending in a dollar sign.
Step 1
Triple-click the line of text below to select it:
kextstat -kl | awk '!/com\.apple/{printf "%s %s\n", $6, $7}' | open -f -a TextEdit
Copy the selected text to the Clipboard by pressing the key combination command-C. Then click anywhere in the Terminal window and paste (command-V). A TextEdit window will open. Post the contents of that window, if any — the text, please, not a screenshot. You can then close the TextEdit window. The title of the window doesn't matter, and you don't need to post that. No typing is involved in this step.
Step 2
Repeat with this line:
{ sudo launchctl list | sed 1d | awk '!/0x|com\.(apple|openssh|vix)|org\.(amav|apac|cups|isc|ntp|postf|x)/{print $3}'; sudo defaults read com.apple.loginwindow LoginHook; } | open -f -a TextEdit
This time you'll be prompted for your login password, which you do have to type. Nothing will be displayed when you type it. Type it carefully and then press return. You may get a one-time warning to be careful. Heed that warning, but don't post it. If you see a message that your username "is not in the sudoers file," then you're not logged in as an administrator.
Note: If you don’t have a login password, you’ll need to set one before taking this step. If that’s not possible, skip to the next step.
Step 3
launchctl list | sed 1d | awk '!/0x|com\.apple|org\.(x|openbsd)/{print $3}' | open -f -a TextEdit
Step 4
ls -1A /e*/mach* {,/}L*/{Ad,Compon,Ex,Fram,In,Keyb,La,Mail/Bu,P*P,Priv,Qu,Scripti,Servi,Spo,Sta}* L*/Fonts 2> /dev/null | open -f -a TextEdit
Important: If you formerly synchronized with a MobileMe account, your me.com email address may appear in the output of the above command. If so, anonymize it before posting.
Step 5
osascript -e 'tell application "System Events" to get name of every login item' | open -f -a TextEdit
Remember, steps 1-5 are all copy-and-paste — no typing, except your password. Also remember to post the output.
You can then quit Terminal.

Application got slowed down

Hello every one
I have written a code in labviw and
I am running an application in a pc with 4gb ram, i5 processor .
Problem is the application is running slowly in this pc .
When i am running the application i when to task manager to see the pc status please see the attached pic
When i go to another pc with 2gb ram it is too slow
So my question is
1 how to increase the application speed ?
2 If i integrate the VGA card does the application speed increases ?
Attachments:
system.PNG ‏12 KB
1.png ‏30 KB
2.png ‏87 KB

You don't provide enough information to troubleshoot the problem. CPU use can be high if you have polling UI loops without small waits. Memory use can be high if you have huge data structures and many data copies in memory (e.g. overuse of local variables or generally inefficient code).
Please define "slow". Do the computations take more time that you think they should or does the user interface feel sluggish? How do you measure the slowness?
What does the program do? Please show us some code!!
Typically, it does not help to simply throw more CPU power at the problem if the root cause is in inefficient and wasteful code. A faster CPU will simply waste even more clock cycles per unit time.
LabVIEW Champion . Do more with less code and in less time .

Application intermittently slow

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