Proper Preparation Prevents Poor Perfomance

Having just spent two days rebuilding my iPod's library, twice!, I thought I'd share some advice for anyone who is interested. For some reason the iPod didn't seem to like a playlist I'd made, *Recent & Unheard*, with the rules *Playlist is Recently Added* & *Playcount is 0*. The playlist works as expected in iTunes, but after adding it on to my iPod (and no other changes) my iPod decided I had no music. When I connected it back to iTunes it showed I had 140Gb of Other and nothing else! I assummed I'd just been unfortunate and set about the sorry task of restoring & repopulating my iPod. In stages I put back all my music, videos, TV shows, podcasts, photos, games etc. which went fine. The final stage was to put back my smart playlists since all the media they depended on was now on the iPod. You guessed - it crashed again. ARRGGGHHH! Once was enough - twice was +very, very+ annoying.
It turns out that all the signifcant information about how your media is organised on the iPod is stored in iPod_ControliTunesiTunes.db. If this file is missing the iPod appears blank, even though all the data is still present. I've read in another post how someone was able to restore a temp version of the same file, but in my case the original .db file was deleted and there was no temp copy to restore....
So here is the advice. With iTunes closed, backup the folder iPod_ControliTunes when your is iPod is working normally, particularly before adding any new Smart Playlists. If the iPod then decides to throw away the iTunes.db file, which is what mine did, you can pull back your backup copy, change your sync options in iTunes and avoid a prolonged restore job. The only thing I've really lost (apart from the time rebuilding) is my score on Brain Challenge. Hindsight is a wonderful thing, but I'm sure if I'd backed up the various Games folders in iPod_Control after the first crash, but before restoring the drive, I could have recovered my game stats too.
tt2

Similar situation:
80G Classic ipod with aout 36 Gigs of music. The ipod was disconnected improperly. all music is intact in itunes. once the ipod is disconnected from the computer, the ipod reads no information whatsoever! the ipod appears empty. When i connect it to the computer again, all the music is there.
I've put music on the ipod and taken it off the computer, so rebuilding is almost impossible.
There is not enough room on this computer to save the music files from the ipod and I don't have an external hard drive.
There is a solution to this promlem. Anyone know what it is?

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Hi,
We are connecting to FMS 3.5.7 behind the firewall through rtmpt and we have very poor performance over whole application even though we are not playing video in the application.My question is does the rtmpt use port 80 over http eventhough when we dont play video in the application.does it effect performance of whole application when connected through rtmpt?.
Can you pleae suggest me the solution to imporve my perfomance of the applciation when atleast not playing video in the applicaiton.Please suggest some changes..

Hi,
If you are accessing application from outside the firewall It cause problem in continuing the connection with FMS. you can see through wireshark, there will be reconnection very frequently. So, it is better to use rtmps for better performance.

Poor perfomance CORBA and EJB in Oracle 8i

Here are the perfomance results of methods invocations
(1000 invocations of empty method in an loop)
Oracle 8i CORBA ~100ms per method
Oracle 8i EJB ~100ms per method
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Hi Guys,
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I think you are at the wrong forum. This is not about the performance of SAP systems but about "Enterprise performance management" software, which has nothing to do with the real performance of your SAP system
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Edited by: Joost Hoppenbrouwers on Aug 6, 2008 4:18 PM

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Hi,
In your setup can you please let us know if are you using DNS as a failure detection method. If yes, can we either use none or use ping as a failure detection mechanism.
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ITunes poor perfomance

I am using iTunes 7.4.2.4 on my
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2Gb ram
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Is there anything I can do to sort this or is there any other application that I can use to manage my iPod?

I am using iTunes 7.4.2.4 on my
Windows XP machine
2Gb ram
AMD athlon 64 X2 Dual 3800+
But still iTunes runs like a pregnant snail in a glue jar.
My library of files is quite big. But still it is very slow compared to other "media managers"/players.
Is there anything I can do to sort this or is there any other application that I can use to manage my iPod?

Poor Perfomance of UWL

Hi All,
I am having a problem with UWL performance.
When user clicks on a work its taking 2-3 mts to open that and when user approves or rejects again its taking 2-3 mts time to point back to UWL. Lets say if I change my Default Cache Validity Period to 1min, I think it leads more performance degradation. Can anyone guide on how to improve performance.
Regards
Praveen

Hi,
When you create sub views the system determines whether there are additional views with the similar supported item types and which have items assigned to the user. In this case the views are then dynamically added to the sub view. These views can be custom views created by customer and business partners or automatically created views when registering alert items. The system creates one view per alert category. There is a limit of seven dynamically added views per user for performance reason. You can overwrite this limit in the iView property Maximum number of Dynamic views to be added.
UWL Connector concepts:
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Please check this document:
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/3fbea790-0201-0010-6481-8370ebc3c17d
The specified item was not found.
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Hope this helps.
Regards,
Mona
Edited by: Mona Kapur on Jan 23, 2008 11:11 PM
Edited by: Mona Kapur on Jan 23, 2008 11:30 PM

Poor perfomance after applying SP19

After we installed SP19 for XI3.0 the J2EE engine has become unbelivably slooooooow.
Has anyone else experienced the same? Any tips?
-AD

Just check your Java heap size in your XI box.Also set your XI for high availability and performance using this guides.
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https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/70ada5ef-0201-0010-1f8b-c935e444b0ad
They will surely help you.

Poor perfomance on hp virtual blade servers

Hi guys,
I am new to this forum and i have problem with performance problems on hp virtual blade servers, can anyone help me with this.
Dinesh K

user10372310 wrote:
Hi guys,
I am new to this forum and i have problem with performance problems on hp virtual blade servers, can anyone help me with this.
Dinesh KIs the performance problem related to Oracle running on these servers?
If this is not the case, then you are on wrong forums.

Snow Leopard Crazy Problems, And Poor Perfomance Issues?

I got my first G5 a few years ago and it was totally rock solid, and never missed a step, until I traded it in on a Mac Pro to get SL and be able have better performance and the ability to upgrade later on in Final Cuts Studio 3. I have never ever experience such a horror of crap until I installed SL last night. This is the biggest disappointment I have ever seen from Apple!!! Period!,
1. I cloned a backup to a Free Agent USB Drive, thank god
2. When I got SL installed by just upgrading 5.8, I got ton on problems like
a message saying that I need to restart , so I did, and did , and again,
30 of so more times until, I tried repairing permissions etc, never worked.
3. I finally erased the drive and tried to reinstall a fresh install, got SL to
work finally but now I am getting a error message "Your Mac OS X startup Disk
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like a window machine! My system drive is 6 gigs, and I have 6 gigs of memory
4. Now I am cloning to a spare drive from the Free Agent backup and thinking
about not even using the drive with SL on it.
Sorry about the whining guys, but this fustrating!, your imput is very much
helpful, and I thank you all for being here!
Tim C.

When you took your G5 backup... I hope you did not use it to (home directory) to then upgrade to SL.
Reason is that there is a lot of older code and the upgrade from PPC to the Intel was never a clean one. There where a number of posts that addressed this specifically. There is a manual way to move the files from your home directory but the rest, you are better off with a re-install.
I did the migration from the G5 to the MacPro and it was problematic. Did a few searches and found that this was the problem. Migrated based on the recomendations given on these boards and got all my stuff working just fine and the update to SL also worked just fine... Its all in the process I guess.
RM

Is it possible to upgrade only 1 memory slot in a Macbook Pro?

I have a 2010 Macbook Pro 7.1 running Maverick and I want to upgrade my memory from the standard 4bg. Is it possible to add a single 8gb card in one slot and keep a 2gb in the other? I have read that this model can run up to 16gb but I'm not sure I need that right now and I don't want to spend the extra money right now. The reason I am thinking of getting one 8gb card is so that later on I can easily upgrade to 16gb later if I change my mind.
I was thinking of buying this:
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Not all models can accept modules as large as an 8GB module. Some models can accept additional sizes beyond what Apple specifies, others can not.
It seems prudent as a general guideline to ask first, rather than assume
"this MacBook Pro" = "ALL MacBook Pro"
and end up owning modules that do not work in your specific model.
Yes, both statements are true, but regardless of the maximum size of module supported, I believe all the portables can run with only one module installed or with two unmatched modules. I will assume we both agree with regard to adhering to Apple's recommendations rather than OWC's.
Yes, always best to ask first. That's part of adhering to the Five P's - Proper Planning Prevents Poor Performance.

Poor view performance of 10.2. vs. 9.2

Trying to transfer an application from 9.2 to 10g stop because of very very poor perfomance of views. The application very heavily relies on views.
Imo the problem lies in the parse step; because repeated executions give good results (even with different select-values, when used with bind-variables). But adding a space and forcing a reparse ends in an incredible responsetime, again.
Suggestions? - Thanks!

Not sure that OP is seeing this thread... :)
I found similar symptom in metalink.
Doc# 438467.1: High Parse Time in 10g Compared To 9i Causing High CPU Usage
Oracle has introduced "_optimizer_cost_based_transformation" hidden parameter to control how optimizer transforms query based on cost calculation.
This operation sometimes needs high CPU resource and parse time.
In this case, the workaround is
alter system set "_optimizer_cost_based_transformation" = off;===============================================
Dion Cho
Blog: http://ukja.tistory.com, http://ukjax.blogspot.com
Wiki: http://wiki.ex-em.com
===============================================

OSX 10.6.3 arrives - some hints on avoiding heartache

The latest update to OSX Snow Leopard is now available through "Software update", and , as a larger "Combo" version (incorporating all the changes made in 10.6.1 and 10.6.2) at http://support.apple.com/kb/DL1017
It is a large update, and people should make proper preparations before installing it.
1) Back up your drive. Everyone has a current back-up of the internal drive anyway, I'm sure! What? You don't? Now is the time to make one if you haven't already! It is not that 10.6.3 in itself is likely to destroy your computer because of improperly written code or the like. It is because like any significant OS update it will install many, many thousands of updated or new files, and if anything is already up with your computer, especially problems with directories or the like, this substantially magnifies the chance of anything that was about to go wrong actually doing so.
2) Make sure you have plenty of free space on the drive. You should have a bare minimum of 10% free space AFTER the installation, preferably 20% or more. Installing many tens of thousands of files can very substantially increase free space fragmentation on a drive, potentially causing a wide variety of problems, including directory issues, operating slowdowns, problems with DVD burning, etc etc. Now is a good time to get rid of the stuff you don't really need or to shift it off to an external. Might even be worth putting in a bigger HD if you are always operating "on the edge" when it comes to space.
3) Boot up from your OS DVD and use Disc Utility from it to "repair disk" on your internal. Installing a major OS update on a drive with corrupted directories can be catastrophic. Running "repair disk" before installing any major piece of software or update can prevent a heap of subsequent misery. If you can't find your OS DVD then at least start up in "Safe Mode" (ie boot up while holding down the shift key). This will also run a directory repair (though it won't provide information about what, if anything, was wrong) and will also flush font caches and a few other things. Once you have done this reboot normally.
4) disconnect all peripherals apart from your battery charger. THis is perhaps less of an issue usually than it used to be, but better safe than sorry.
5) If you are already having problems with your Mac *do not* expect an OS update like this to fix them unless they are specifically mentioned in the documentation that comes with it. In many cases, especially if you have an underlying problem that is caused by directory or OS file corruption of some kinds, installing an update will actually make the problem worse, possibly even preventing your computer from booting. *Sort out problems first*. Don't expect an OS update to resolve them unless it is specifically identified as doing so. There occasionally are situations where the simple act of installing an update will serendipitously replace a "bad" file, especially if you use the "Combo" version of the update, but they are few and far between. Installing updates on computers with problems usually does more harm than good.
6) Opinions differ about the importance of repairing permissions when installing updates. Some people argue that permissions should be repaired before installation. Some say after installation. Some say both. A few say don't bother at all. It doesn't seem to make much difference these days. I usually do it after, though logic suggests it would matter more to do it before hand. Repairing directories (as described in 3 above) before installation really matters MUCH more.
7) Be prepared for some glitches caused by the need to update third party software after the installation of a major update. Be particularly careful about the use of things like disk or maintenance utilities . Check with the maker's website before using such things to make sure that the version you currently have is compatible with the new OS update before using them. Things like third party keyboard and mouse software (especially when they install their own ".kexts" or "system extensions") sometimes cause nasty problems , too. Sometimes software makers will have such things ready to roll out to replace such things as soon as the OS update hits the servers. On other occasions they may not.
8) If a particular piece of software is critical to your work then you may well be better off waiting until it is established by others that it will work with the new OS version or sub-version before updating. (Such problems can make you very glad you that current back-up mentioned in 1) above!)
8) If something, as it very occasionally does, goes wrong, don't panic. Take notes of what has happened as well as you can remember it, think about any "third party" stuff that you may have installed, run disk utility from your OS DVD again to both "repair disk" and "repair permissions" or boot up in "Safe Mode" to see if it fixes the issue, and if not post details of the issue as clearly as possible here. Cries of "OSX Update 10.6.whatsit ate my computer" followed by twenty further cries of "mine too" are usually far less useful, and far less likely to result in a positive solution, than a clear description of your own particular problem, the equipment you are using, third party software that you use, the manner in which you updated, the steps you took before updating, etc etc.
All of this probably sounds a bit draconian, and the vast majority of people update with no problems at all. On the other hand it is better to be safe than sorry. Taking the above steps makes it likely that you will be one of those who don't run into problems, either with the update process itself, or with your computer more generally. The arrival of a major update provides a great opportunity to do the basic checks and maintenance that every computer should have from time to time , to make sure that your back-up is up to date, and to do some of the housekeeping that keeps your computer running smoothly the rest of the time.
Cheers
Rod

You can condense it down to a couple of options, shadowbeast, if you have a computer that is regularly maintained, not over-full, doesn't have much in the way of third party haxies installed, has had its directories checked recently, don't try to install the update while simultaneously running other software, etc etc. Trouble is in many cases such parameters aren't met!
Using an update situation as an opportunity to undertake the general maintenance that should be done every month or so on any computer , (even if it is a Mac!) helps to forestall many other problems, too, as well as helping to ensure that the update process goes smoothly.
I agree that the "Combo" update can be a good idea, sig, and I've usually done so in the past myself. In some circumstances it can certainly help to overcome problems that have arisen along the way. These days, however, the updates themselves tend to be very large (in this case the "combo" version is over 800 MB in size) and I'm very aware that many , many people use the smaller Software Update versions. These seem to be less problematic than they used to be in the past, though if anything is problematic after the installation downloading the Combo and re-installing it over the top of the SU version is a very good idea.
I've been trying the SU updates regularly myself since SL arrived on the scene, and all have gone smoothly. Mind you, this has been on a couple of pretty well maintained machines.
Cheers
Rod

Trouble building login system

Perhaps this questions is best posed to David Powers, but I'm having some problems with my login system for a site that I'm building with the assistance of "The Essential Guide To Dreamweaver CS4".
I believe that I have followed his instructions, but when I login using a valid username and password entered into my "users" table in my database, I get redirected to the failed login page.
I'm using encrypted passwords, and I believe that I have encrypted the password for the login attempt so that it should match the encrypted password in my table.
Below is the code for my login page:
<?php require_once('../Connections/aibAdmin.php'); ?>
<?php
if (isset($_POST['password'])) {
    $_POST['password'] = sha1($_POST['password']);
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
if (PHP_VERSION < 6) {
    $theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;
$theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);
switch ($theType) {
    case "text":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
      break;
    case "long":
    case "int":
      $theValue = ($theValue != "") ? intval($theValue) : "NULL";
      break;
    case "double":
      $theValue = ($theValue != "") ? doubleval($theValue) : "NULL";
      break;
    case "date":
      $theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
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    case "defined":
      $theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
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return $theValue;
?>
<?php
// *** Validate request to login to this site.
if (!isset($_SESSION)) {
session_start();
$loginFormAction = $_SERVER['PHP_SELF'];
if (isset($_GET['accesscheck'])) {
$_SESSION['PrevUrl'] = $_GET['accesscheck'];
if (isset($_POST['username'])) {
$loginUsername=$_POST['username'];
$password=$_POST['password'];
$MM_fldUserAuthorization = "content_priv";
$MM_redirectLoginSuccess = "/admin/users/register.php";
$MM_redirectLoginFailed = "/admin/login.php";
$MM_redirecttoReferrer = true;
mysql_select_db($database_aibAdmin, $aibAdmin);
$LoginRS__query=sprintf("SELECT username, password, content_priv FROM users WHERE username=%s AND password=%s",
GetSQLValueString($loginUsername, "text"), GetSQLValueString($password, "text"));
$LoginRS = mysql_query($LoginRS__query, $aibAdmin) or die(mysql_error());
$loginFoundUser = mysql_num_rows($LoginRS);
if ($loginFoundUser) {
    $loginStrGroup = mysql_result($LoginRS,0,'content_priv');
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    $_SESSION['MM_Username'] = $loginUsername;
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      $MM_redirectLoginSuccess = $_SESSION['PrevUrl'];
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else {
    header("Location: ". $MM_redirectLoginFailed );
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Administrator Login</title>
</head>
<body>
<h1>Administrator Login</h1>
<form action="<?php echo $loginFormAction; ?>" method="POST" name="admin_login" id="adminLogin">
<p><label for="username">Username:</label>
<input type="text" name="username" id="username" /></p>
<p><label for="password">Password:</label>
<input type="password" name="password" id="password" /></p>
<input name="submit_button" type="submit" id="submitButton" value="Log In" />
</form>
</body>
</html>
Any assistance would be greatly appreciated. I'm also eager to learn more, so if there is literature that someone might be willing to suggest, that would be most appreciated as well.
Thanks!

Proper Prior Planning Prevents Poor Performance.
Building a (close to) state of the art machine takes information and patience.
Components that worked on your previous system will not work on your new one.
The power supply must have 2 mother board connectors.
BEFORE YOU RUSH OUT TO BUY A NEW ONE ----
Make a list of what you plan on having in your new system now and 12 months from now.
Ok, got the list?
Find a post from "DANNY"
Go to the power supply capacity link
Fill it in
Buy a power supply that matches your current and future requirements.
Best of luck

Reminders functionality removed in IOS7 - please make IOS6 version available through App Store

Hi,
I am a power user of Reminders (I have over 70 lists + average 10-40 items per list). I use it to access new and recurrent reminders typically via the TODAY list each day. I also use it to track items that I don't want to allocate a time to (such as Christmas shopping ideas throughout the year) but have the option to assign a day / time / priority / location / notes and recurrence if I need to. I use the Reminders to basically run my life.
I accidentally upgraded to IOS7 last year and found the 'new' version of Reminders actually provides less functionality than the old, not to mention the childish design and poor perfomance issues it created on my phone. In short, it no longer does the job.
For people who use the reminders for more than maybe 10 reminders in a day, the functionality is now useless. There was no calendar access to retrieve items pertaining to a specific day without having to scroll through (for me) hundreds of reminders - and I had no way to customise the view - aside from pick one childish colour over another childish colour. The interface 'feature' of different colours and different font sizes (dependent on the length of the reminder) makes it impossible to easily see items marked as priorities, when they are each due and when they became overdue. Against the white background, I could barely make out what the crayon colours were even saying.
Luckily for me, someone at Apple took the time to see how I was using Reminders and agreed that the 'new' version wasn't going to work - and they organised a new phone for me that still had the IOS6 version on it.
I'm now in the situation that I have tried and tested nearly every Task-related app available for iPhones. There is not one application that does everything that the IOS6 Reminders version does.
Assuming someone at Apple thinks they've done a really good job on the IOS7 version, I'm guessing they aren't about to lose face by reverting to the IOS6 version, so before I succumb to reverse-engineering the app and paying someone to build it the way it was ... I am hoping that Apple will have the courtesy of making the app available for download through the Apple Store. At least then it can enable it's loyal customers to benefit from core functionality that actually works as it was originally intended - and in the process, discourage those same customers from exploring alternate manufacturers as they are forced to upgrade from iPhone 4 / 4s / 5 / 5s / 5c.
Hopefully this will reach someone who is in some way, shape or form accountable for the Reminders App and is interested in user feedback.
Cheers

As I said ... I have downloaded every task manager - including Remember the Milk, Pocket Informant and Toodledo, as well as about 50 others - and none of them cover ALL of the functionality I need. They are NOT more designed for my type of use as they are time-centric rather than list-driven with a scheduling feature. I ALSO was a power user of Microsoft Outlook (prior to the iPhone even existing) as it was the only product capable of handling the categorisation, search and retrieve functions required to manage a significant number of tasks ... and even it doesn't handle the task management as effectively, simply and quickly as the IOS6 Reminders does. Hence, I moved all of my lists and schedules to Reminders so they were no longer calendar based and could take advantage of the iCloud back-ups + synchronisation across my mobile devices.
I'm not asking for suggestions on alternate products as I am capable of doing a 'search' on the App Store and even Google.
I am expecting that in the interests of improving their products based on their own community feedback, someone from Apple DOES at least monitor the discussions even if they aren't participating in them - and this is another portal to try and get them to see sense in making the previous functionality / look and feel / performance available as a download through the App Store. - and yes I would pay money for it.

Proper Preparation Prevents Poor Perfomance

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