How to boost the performance of iSCSI SAN

Similar Questions

• How to improve the performance of the import

  I'm converting a database of its current WE8ISO88591 character set AL32UTF8
  I use NLS_LENGTH_SEMANTICS to TANK so I don't have to increase the length of the column.
  
  I followed the instructions in the Oracle:
  144808.1
  313175.1
  
  Except import that takes too long.
  
  I took a full database export WE8ISO8859p1 and now its importation in AL32UTF8.
  
  It is always difficult to prove slow source; but I think it has to do something with NLS_LENGTH_SEMANTICS. On the same
  Server; If the new database was in WE8ISO8859P1, a 5 million row table import took 2 hours; but in Al32UTF8 with NLS_LENGTH_SEMANTICS it takes 1 day!
  
  No idea how to improve the performance of the import.

  DOUBLE WIRE!

  Please, don't post duplicate discussions.

  Mark this thread ANSWER and continue to use your original thread where you are already helped.

  You have NOT given the info that has been ask in your other thread.
  Re: NLS_LENGTH_SEMANTICS = CHAR import is too slow

• How to measure the performance of the disks in vcenter

  Hey guys,.

  What is the best way for me to measure the performance of the disks in vcenter? I use the iscsi SAN storage for my environment vsphere and wants to make sure that things are defeated.

  Y at - it a good way for me to measure this inside of vcenter, if what should I pay attention to the?

  Thank you

  Kevin

  Performance, Advanced tab, storage card, chart options.

  Here you can select your storage cards and view certain measures. To also have historical data (and not only in real time), you will need to change the settings of his stats in vCenter server.

  Or select a disc, and here you can see, for example the latency time.

  André

• How to improve the performance of your computer and free up space.

  Original title: the unwanted temporary files of windows is at the origin of the problems of proformanace

  According to a check of problem: the unwanted files temporary windows could take to improve the performance of your computer and free up space.

  Can anyone help with this simple problem.

  Angelo

  Hi Angelo,.

  1. which edition of Windows are you running?
  Example: Windows 7 Professional 32 bit.
  Please follow the below link to clean unwanted temporary files.
  Delete files using disk cleanup
  http://Windows.Microsoft.com/en-us/Windows7/delete-files-using-disk-cleanup
   
  Microsoft at home.
  Slow PC? Optimize your computer for peak performance
  http://www.Microsoft.com/athome/Setup/optimize.aspx#fBid=MDw_uUbCmMl
  Make slate: how to remove the unwanted files and programs
  http://www.Microsoft.com/athome/Setup/CleanSweep.aspx#fBid=MDw_uUbCmMl
   
  See also,

  http://answers.Microsoft.com/en-us/Windows/Forum/Windows_7-performance/performance-improve-slow-system-slow-startup/d0fd7b04-CD3c-4CE0-A9D6-60b6221171f0?msgId=cc2624b0-1972-4EC6-B1A4-f46140d44401
  I hope this helps.

• Performance indicators? How to confirm the performance?

  I'm getting very concerned by the speed of copy/transfer files to and from the Media Hub.  I bought it mainly as a NAS, but maybe it was my mistake, I thought not performance would be as slow as it sounds.   I've seen the other comments on the performance, some answers have been pointing users to check their networks.  I would like to know if there are some points of reference which can be published so that we can compare against them.  Publish the test script and the results, then we can run the same tests and compare the results.  I can withdraw from my network and connect directly to a switch isolated for testing if necessary, but I'd rather not have to disconnect things and go through that effort if I can test everything first and see how far off I am standard expectation.

  If I can at least know what the performance of the target for this type of operation, it would help me to decide if I should invest several times in this or switch to a dedicated NAS.

  In addition, one of the things that I suspect a little is the Twonky Media scanning server.  I have it turned off, but have not yet restarted to confirm that I am in the middle of a great copy that looks like it's going to be two days.  Are there other parameters of Twonky can I disable in order to minimize its impact, or can I disable Twonky completely?

  Crossfyre,

  If you are looking for a site that compares and reviews the performance of NAS devices on the market, including the Linksys Media Hub Smallnetbuilder.com would be a good starting point.

  Try this link.

  http://www.SmallNetBuilder.com/component/option, com_nas/Itemid, 190.

  You should be able to find what you are looking for on the site.

  Keep us informed

• How to optimize the performance of this code?

  I have two clips on a flash project. One of them is fixed and the other can be moved with the arrow keys of the keyboard. The two clips have irregular shapes, so HitTestObject and HitTestPoint does not work very well. I have a function that detects the collision of two clips using bitmap. I wanted to update the position of the Movie clip mobile so I put the function of collision detection under the ENTER_FRAME event listener code. It works fine, but when I add many fixed film clips (about 10 clips fixed in an image), the game (.swf file) becomes slower and slows down the performance of the PC. I thought that my collision detection function has a negative effect on the performance of the PC, so I used the class on this page: https://forums.adobe.com/thread/873737
  but the same thing happens.

  You told me how to do to speed up execution of my codes?

  Here's the part of my code:

  stage.addEventListener (Event.ENTER_FRAME, myOnEnterFrame);

  function myOnEnterFrame(event:Event):void

  {

  If (doThisFn) / / doThisFn is a variable to allow or prevent the kind of mobile film clip moved with arrow keys

  {

  If (left & &! right) {}

  Player.x = speed;

  Player.rotation = player.rotation - speed;

  }

  If (right & &! left) {}

  Player.x += speed;

  Player.rotation = player.rotation + speed;

  }

  If (up & &! down) {}

  Player.y = speed;

  }

  If (down & &! up) {}

  Player.y += speed;

  }

  The clips of film sets are wall1, wall2, wall3, wall4,... and so on
  the following code checks to see how many walls exist on each image and pushes them in table wallA

  for (var i: int = 0; i < 1000; i ++) / / you can put up to 1000 object of wall in the table wallA

  {

  If (this ['wall' + i]) / / if the wall object exists, push it into the table wallA

  {

  wallA.push (this, ['wall' + i]);

  }

  }

  for (i = 0; i < wallA.length; i ++)

  {

  If ( h.hitF (player, wallA [i]) | gameOverTest) / / this code checks whether or not the player (the mobile clip) hit the walls

  {

  trace ("second try");

  gameOver.visible = true;

  doThisFn = false;

  }

  }

  I think the following codes are easy to turn and run. I think that the performance problem is due to previous codes.

  
  

  If (player.hitTestObject (door))

  {

  Win.Visible = true;

  doThisFn = false;

  }

  If (key) / / if there is a key on chassis

  {

  If (player.hitTestObject (key))

  {

  Key.Visible = false;

  switch (currentFrame)

  {

  case 4:

  wallA [0] .visible = false;

  .x wallA [0] = 50000;

  break;

  case 5:

  wall14. Play();

  wall8.x = 430;

  break;

  }

  }

  }

  }

  }

  It's a simple question that doesn't usually have a simple answer.

  Here is an excerpt of a book (Flash game development: in a Social, Mobile and 3D world) I wrote.

  Optimization techniques

  Unfortunately, I don't know any way completely satisfactory to organize this information. In what follows, I discuss memory management first with sub-themes listed in alphabetical order. Then I discuss the management of CPU/GPU with subheadings listed in alphabetical order.

  This may sound logical, but at least, there are two problems with this organization.

  1. I don't think it's the most useful way to organize this information.

  2. memory management affects the CPU/GPU use, so that everything in the section of memory management can also be listed in the section CPU/GPU.

  In any case, I'll also list information in two other ways, from the easiest to the most difficult to implement and more for much less.

  Two of these later inscriptions are subjective and dependent on experience developer and capabilities, as well as environmental test and the test situation. I very much doubt there would be a consensus on the order of these lists.  However, I think that they are still valid.

  Easier to the more difficult to implement

  1. do not use the filters.

  2. always use the reverse for loops and avoid loops and avoid while loops.

  3. explicitly stop timers for their loan for gc (garbage collection).

  4. use the weak event listeners and remove headphones.

  5. strictly type variable when possible.

  6. explicitly disable interactivity mouse when interactivity smile not necessary.

  7. replace dispatchEvents with callback functions whenever possible.

  8 it would be gc stop sounds for the sounds and SoundChannels.

  9. use the DisplayObject most basic need.

  10. always use cacheAsBitmap and cacheAsBitmapMatrix with air applications (i.e., mobile).

  11. reuse of objects when possible.

  12 Event.ENTER_FRAME loops: use different listeners and different listener functions applied to DisplayObjects as little as possible.

  13. the pool instead of creating objects and gc objects ' ing.

  14. use partial blitting.

  15. use step blitting.

  16 use Stage3D

  Biggest advantage less

  1. Use the blitting Stadium (if there is enough memory system).
  2. Use Stage3D.
  3. Use partial blitting.
  4. Use cacheAsBitmap and cacheAsBitmapMatrix with mobile devices.
  5. Disable explicitly interactivity mouse when interactivity smile not necessary.
  6. Do not use filters.
  7. Use the most basic necessary DisplayObject.
  8. Reuse objects whenever possible.
  9. Event.ENTER_FRAME loops: use different listeners and different listener functions applied to DisplayObjects as little as possible.
  10. Use reverse for loops and avoid the do loops and while loops.
  11. The pool instead of creating objects and gc'ing.
  12. Strictly, type variable when possible.
  13. Use weak event listeners and remove headphones.
  14. Replace dispatchEvents by the callback functions whenever possible.
  15. Explicitly stop timers on loan for the gc.

  16 stop sounds for the sounds and SoundChannels be gc would be.

• How to improve the performance of this loop?

  Hello
  
  I have this code below performs a loop on both issues, which compares the files in them. The performance is bad. Can someone tell me how to accomplish this task in an effective way?
  Please note that both folders can be on the network and most often contains 5000 + files.
  

  for (int i = 0; i < sourceList.length; i++) {
  for (int j = 0; j < targetList.length; j++) {
      if (sourceList.getName().equalsIgnoreCase(targetList[j].getName())) {
  
  if (sourceList[i].lastModified() > targetList[j].lastModified()) 
  
  {
  
  newInSourceList.add(sourceList[i]); //ArrayList 1
  
  }
  
  else if(sourceList[i].lastModified() < targetList[j].lastModified())
  
  {
  
  newInTargetList.add(targetList[j]); //ArrayList 2
  
  }
  
  }
  
  }
  
  }
  
  
  
  
  
  
  Thanks in advance.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
  			 
  This minute is spent for the most part between the two points I mentioned below (Point A & B).
  I guess time will especially isFile() calls. That should make a stat() system call, which calls the network file server.
  If you can target Java 7 and greater, you can use the new java.nio.file and BasicFileAttributes. Allows you to extract the data to stat() each file in a single call, so that lastModified() and isFile() must separate calls to the file server. It will not yet be fast like lightning, but maybe almost 2 x faster - I think that all other treatments are overshadowed by calls on the network.
      // Read file attributes to a list (or use a Map if you prefer)
      String files[] = new File(Directory).list();
      BasicFileAttributes attributes[] = new BasicFileAttributes[files.length];
      for (int n = 0; n < files.length; n++)
          attributes[n] = Files.readAttributes(Paths.get(directory, files[n]), BasicFileAttributes.class);
  
      // Now you can use
      attributes[n].lastModifiedTime()
      attributes[n].isRegularFile()
      // etc without each call hitting the file server.
  		   

• Should two switches for the installation of iSCSI SAN - be stacked

  I mean by "stacked" should they be hung by backplane?  Reference Dell passes, btw.

  Just two hosts connected to an iSCSI SAN.

  If the goal is to be completely redundant, your server is able to cable a physical NIC directly on each switch and your San can connect to both switches, there is no reason for the connections between these switches. Stacking of the switches can provide options for a large number of cases, but I don't think it will be here.

• How to improve the performance of the scheme to collect statistics CP?

  Hello
  
  However, we have developed a few modules like Oracle Financials, SCM, OPM, HR, but 'Schema statistics gather' CP is running for 10:30 hours. The parameters are the following:
  Schema name: ALL
  Estimate for %: 10
  Degree: Null
  Flag of backup: NOBACKUP
  ID of the request to reboot: Null
  Story mode: LASTRUN
  Collect Options: COLLECT
  Line changes: Null
  Invalidating dependent users: Y
  
  How can I set this program to better performance? How can I include only the modules that are being implemented not all (patterns)?
  
  Concerning
  Ariz

  How can I set this program to better performance? How can I include only the modules that are being implemented not all (patterns)?

  There is no precise answer to your question and you will need to test the different settings until you are satisfied with the performance - definition of the parameters used to collect statistics of the schema [556466.1 ID] program

  Try with "Estimate percent" between 10% and 40%

  Thank you
  Hussein

• How to improve the performance of EI

  I have a Panasonic HMC 151 and it generates MTS (this is AVCHD) files. I used Sony Vegas as my video editor NLE now for more than a year and acquired After Effects to work on some scenes, where a NLE Editor is short. I'm a bit disappointed by the performance of EI. Don't get me wrong: I love AE! It can work miracles, and he will certainly become a very tool in my toolbox. But at the same time, I thought I'd eploy all processor possible resources, in order to speed things up.

  I have a file MTS, 10 seconds of time, and put that on the timeline in AE, no effect at all. I go try it in AVI, the best settings. AE uses 4 minutes for this rendering. I load the same file MTS in Sony Vegas and go out to AVI here too. Vegas uses 23 seconds! And the resulting files are almost exactly the same size. Using the Windows Task Manager, I can is that when rendering AE, make employment resources 23% occuopies. In Las Vegas, on the other hand, it's completely - 93 to 97%. I have a Quad Core and of course After Effects use a fraction of the power available from my PC.

  As is the case, the rendering speed is not my main problem. I'm more interested to increase overall performance when you work in AE, preview, application of effects and so on. And when it comes to this, things are surprisingly slow and my CPU is essentially idle, or about 25% occupied.

  Is there a parameter of performance in AE, I forgot? Something like "use the n number of cores?

  ingvarai

  ingvarai:

  First and foremost, it is to be noted that the comparison of After Effects to any editing application only in terms of file i/o is not a good idea. Obviously, software editing will be more responsive to that. Performance of the AE should be evaluated in the conext of complex layering and image processing, which is what it was designed to do. In other words, the measure of how long it takes to AE making a naked video clip is not representative of what you can do in After Effects.

  That said, After Effects has a very powerful multiprocessing system in which it engenders a given instance (not a wire but a whole headless version of the application) for each carrot in your computer. Thus, for a quad core CPU, for example, AE could transparently use 4 instances of rendering. However, this technique requires that you have at least 2 GB of RAM by heart, or it will be counterproductive - the rendering of background process would starve and slow things down. To enable this feature, go to Preferences > memory and multiprocessing and activate the section "made simultaneous multiple images. If you do not have at least 2 GB / processor/core, it is important that you limit the number of instances, so they receive no less than 2 GB of RAM each.  This by defining a number of cores/processors free for other applications in this section. In addition, it is not a good idea to spawn instances of rendering for virtual cores (i7 processors in the family may report twice as many physical cores like here because of hyperthreading).

  For more information, see the help page for After Effects on the memory and multiprocessing preferences.

  Note that for formats such as AVCHD, if your project is more intensive I/O-intensive processor (several elements of film with little processing), you can see little improvement because the compression intertrame / time is very intense for decode. If possible, it is not a bad idea to convert these points to a combination of format-codec lossless/no compressed for beter performance. For typical AE projects, that is to say a lot of layers and composting operations, the function of "Render multiple frames simultaneously" can provide drastic improvements in making gears. Still, this depends on the nature of the project.

• How to improve the performance of ebs 11i

  Hello
  
  Metalink document to check the performance problem wit of 11i EBS RAC on Linux, such as forms and PCP and Jserve.

  Hi again;

  In addition to my post please also consult

  performance-ebs

  Oracle EBS R12 performance is very slow...

  Note: 744143.1 - performance Tuning on e-Business suite
  Note: 864226.1 - How can I diagnosis Performance mediocre E-Business Suite?

  EBS, performance problem
  Re: EBS, performance problem

  Oracle Apps Tuning
  Re: Oracle Apps Tuning

  Note: 69565.1 - a comprehensive approach to Oracle Applications systems performance

  You can click on http://blogs.oracle.com/stevenChan/2007/12/performance_tuning_for_the_ebu.html and http://blogs.oracle.com/mt/mt-search.cgi?blog_id=101&tag=performance&limit=20

  Hopefully those who are can be useful

  Respect of
  HELIOS

• How to measure the performance of the sql query?

  Hi Experts,
  
  How to measure the cost of performance, efficiency and CPU of an sql query?
  
  What are all the measures available to a sql query?
  
  How to identify the optimal query writing?
  
  I use Oracle 9i...
  
  It'll be useful for me to write the effective query...
  
  Thanks and greetings

  PSRAM wrote:
  Could you tell me how to activate the PLUSTRACE role?

  First put on when you do a search on PLUSTRACE: http://forums.oracle.com/forums/search.jspa?threadID=&q=plustrace&objID=f75&dateRange=all&numResults=15&rankBy=10001

  Kind regards
  Rob.

• Re: Satellite L500-19Z - how to increase the performance of the game?

  Hey

  Basically, I have a Toshiba Satellite L500-19z, with chipsets Intel Series 4 express. I know this isn't a particularly good game, but surely the performance of game should be reasonable?

  I get 80% of the time lag - while on my old laptop (which costs no more than £200) I could play World of Warcraft on it no problem (I played the Sims3 on this laptop and had very few problems. I'm playing Dragon Age, but it is almost impossible.) My laptop is not more than 8 months old.

  I just want to know if there is a way to increase the performance of the game? I thought that maybe to connect my laptop to a PC Tower, but that could lead to the worst game performance, so I said.
  I'm sure I can't replace the graphics card, I've updated my drivers, defragment disks and so on.

  Any help is really appreciated, thanks in advance.

  Hello

  Is there anything to do to increase game performance. It depends on the graphics card and Intel cards are not designed for games, they are a good choice for mobile use because they don t need a lot of power.
  In addition, the peut t graphics card be exchanged, s thereby.

  It s always depending on the game that you can play. Therefore, check the system requirements of all the games you want to play and if your graphics card is supported. Not all games support all graphics cards.

  You must also use low graphics settings in each game. You can use the parameters of t.

  For example on my Satellite U400, possessing the same Intel graphics card, I can play Half Life 2 which has already 5 years but always low medium graphics settings.

• How to improve the performance of the Intel X 3100 on Satellite L300

  Hello everyone.

  First of all, I don't know if this is an appropriate place to post this thread here or no, but I would like to share with you the experience relating to the improvement of Intel X 3100 (GMA965).

  As we know, there is no driver is good for this chipset from Intel for the moment, especially on VIsta.
  This improvement is made by editing the registry of Intel driver.

  * Steps: *.
  * 1 * open run (Windows + R)
  * 2 * enter Regedit
  * 3 * open the subfolder: * HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contr ol\Video\ *.
  * 4 * from there you'll see lots of subfolders in video, open each one until you see the folder * 0000 * with + _3DMark03.exe +.
  (For example, my is {HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Contr ol\Video\ {B5990899-FBCB-45E1-B0B0 *} and reg DWord _3Dmark03.exe lies in two subfolders * 0000 * and * 0001 *})
  * 5 * in * 0000 * and * 0001 *, create two new * DWORD format: * _software.exe* and * ~ software.exe*, value = 1 (hexadecimal). Here, * software * represents the name of the program you want to accelerate as * _photoshop.exe* and * ~photoshop.exe*
  * 6 * in these files, search for * GFX_Options * and change its value to * 1 *.
  * 7 * restart your computer to activate GFX
  * 8 * repeat step 4 to add more programs you want

  Other updates for the drivers are under developed. However, this method will help you to speed up your computer performance with + heavy + graphical software required. I got double FPS on some software on my Toshiba L300 using this method such as Corel, WarcraftIII and Titan Quest (24-32 fps measurement by Fraps)

  Hope it's useful for everyone.
  Best wishes

  Hi Luong Phan

  Thanks a lot for the details and this great instruction.

  I also found this thread. It s your ;)

  + Improve the performance of Satellite L300 graphics software and games-Vista +.
  http://forums.computers.Toshiba-Europe.com/forums//message.jspa?MessageID=119890#119890

  It s the same statement. I am happy. Thank you

• How to improve the performance of the computer which is very slow at startup in Vista?

  WOT programs I need to run at startup my slow cam of computers verry because someone helpRemember - this is a public forum so never post private information such as numbers of mail or telephone!

  WOT programs I need to run at startup because it takes 7 to 10 minutes to get running?

  Ideas:

  • You have problems with programs
  • Error messages
  • Recent changes to your computer
  • What you have already tried to solve the problem
  Saturday, may 29, 2010, 11:46:15 + 0000, dave wilson332010 wrote:
   
   
  > full throttle programs do I need to run at startup because my computer verry slow cam, someone help
   
   
   
  Everyone is different and has different needs and different desires.
  There are * no. * programs that everyone should run. See below for
  Tips on what you should maybe stop start automatically,
  But first of all to consider the possibility that your problem with what he is
  slowly maybe nothing to do with what starts automatically.
   
  Perhaps the most common performance issue of today is malware
  infection and the first thing you should do is be sure that you are not
  infected. So, what anti-virus and anti-spyware programs run, and
  If they are updated?
   
  Once you talked about this question and that is rid of all
  Malware or get assured that you are not infected, you can address
  the issue of automatic startup programs:
   
  First of all, note that you should be in * all * programs that
  starts automatically, not only those who enter in the system tray.
  Not all the programs auto-start manifesting by an icon in the
  Status bar.
   
  On each program, you don't want to automatically start, check its
  Options to see if he has the choice of not start (make sure you)
  Indeed choose not to run, not just a "don't show icon.
  Optional). Many can easily and better be arrested like that. If that is not
  work, run MSCONFIG from the start. Run the line, and then click the Startup tab.
  Uncheck the programs that you do not want to automatically start.
   
  However, if I were you, I wouldn't do it just for the application of
  the minimum number of running programs. Despite what many people say
  you, you should be concerned, not with the way * a lot * of these programs
  you run, but * that *. Some of them can degrade performance severely, but
  others have no effect on performance.
   
  Don't stop all programs to run willy-nilly. What you need to do
  is to determine what each program is, what its value is up to you which
  the performance cost is its running all the time. You can try
  Internet search and ask questions about the details here.
   
  Once you have this information, you can make a smart informed
  decision on what you want to keep and what you want to get rid of.
   
   
  Ken Blake, Microsoft MVP (Windows desktop experience) since 2003
   

  Ken Blake