Slow performance on a iMac 27" (maybe originated by the HDD)

Hello,
Well, I've had my iMac for 10 months now, but have never really paid attention to its performance since it was my first Mac and I was upgrading from a quite old computer, so it obviously proved to be a far superior machine.
However, I noticed the problem when I started to be more critical with my machine's performance (this triggered by the fact that I bought, some months after, a MacBook Air which flies beyond time and space). Curious about this, I requested a friend to do a benchmark test with Xbench resulting in his machine (another iMac 27” with comparable specs) clearly outperforming mine. Even the Air, with its slower processor and smaller RAM, has a relatively close performance.
Additionally, I have started to notice how the computer takes a long time to start-up and, after the desktop is “layed out”, it takes a lot of time before the machine becomes “responsive” (I usually try to start Mail and Google Chrome as soon as the pointer pops in!) with the final result that I have to wait in company of the beach ball for quite some seconds (half a minute) and even after the application had started, I can still hear the HDD working it as if there would be no tomorrow! And then, it is slooooow. Funnily enough, “tougher” applications like Photoshop or Illustrator don’t seem to have as many problems, relatively speaking.
A little bit on the background info: I have two partitions: one for Bootcamp (since I was migrating from Windows, I had some software that I wanted to use there: Matlab and Office, basically, and then some smaller Windows-only programs).
Derived from the benchmark test, I think I might have isolated the problem to the HDD (not sure though!).
SO THE QUESTIONS ARE:
1. How can I verify that the slow performance is due to the HDD being defective/badly configured/etc.?
2. Has the Windows Bootcamp Partition any effect on my machine’s performance under MacOS? (I would assume not, but you never know!). I have more than 1.3 TB free space left
3. What kind of corrective measures should I take?
4. Any other type of advice will be warmly welcome: I will try to do some PRAM and SMC resets but I am not counting on it. I had also ran the disk utilities and there were no permission errors (not so sure what this means, but I’ve read that it is supposed to be good news.)
5. Any extra info you might need, lemme know!
Greetz,
Víctor.
PS: Sorry for the loooong post. I tried to be thorough!

1. How can I verify that the slow performance is due to the HDD being defective/badly configured/etc.?
Run Apple Hardware Test: http://support.apple.com/kb/HT1509
2. Has the Windows Bootcamp Partition any effect on my machine’s performance under MacOS? (I would assume not, but you never know!). I have more than 1.3 TB free space left
Probably not but 1.3TB of free space left on the total HD is not enough for OS X, OS X needs a minimum of 10-15% free space! If you mean 1.3TB of Windows space I'd recommend posting that question in the Boot Camp forum.
3. What kind of corrective measures should I take?
If the drive is failing per the AHT then it's covered by warranty and will need to be replaced. Remember back up!!!!!!!!!!
4. Any other type of advice will be warmly welcome: I will try to do some PRAM and SMC resets but I am not counting on it. I had also ran the disk utilities and there were no permission errors (not so sure what this means, but I’ve read that it is supposed to be good news.)
Can't hurt, make sure you read the instructions carefully and execute the tests exactly as they are described for Intel based iMacs.
5. Any extra info you might need, lemme know!
If you no longer have a need for Windows on your iMac I'd recommend removing that partition using Boot Camp Assistant. That may correct your problems.
I would also recommend checking if System Preferences - Startup Disk and see if your internal HD is highlighted as the Startup Disk.
In addition I would recommend checking your Login Items (System Preferences - Accounts - Login Items) and delete any applications you don't need launching at Login.

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Hello!
First, excuse my rusty English.. I hope you manage to read it
Main problem.. Adobe, PhaseOne and other intensive applications is veeeery slow on a high specced brand new iMac! Lightroom 5, PS CC and Capture One Pro 7 is what I use mostly.
I just got my brand new iMac 2014.2 (3.5/3.9 GHz, 32 GB RAM, 512GB flash disk and GTX780M), and its quite a lot slower than my other Win7 workstation. Other workstation specs: i7 4.2 GHz, 16GB RAM, 128GB SSD, GTX 580. I'm working on the same Raid-5 drive (USB-3) too, so I don't know why it's slower..
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I just changed my workflow from Win to OS X and I depend on this to work.. I currently have 4000 files from my last job waiting to be worked on, and I'm not finished until Christmas in this tempo :-(
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Launch the Console 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 Console in the icon grid.
The title of the Console window should be All Messages. If it isn't, select
SYSTEM LOG QUERIES ▹ All Messages
from the log list on the left. If you don't see that list, select
View ▹ Show Log List
from the menu bar at the top of the screen.Click the Clear Display icon in the toolbar. Then take one of the actions that you're having trouble with. Select any messages that appear in the Console window. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message by pressing command-V.
The log contains a vast amount of information, almost all of which is irrelevant to solving any particular problem. When posting a log extract, be selective. A few dozen lines are almost always more than enough.
Please don't indiscriminately dump thousands of lines from the log into this discussion.
Please don't post screenshots of log messages—post the text.
Some private information, such as your name, may appear in the log. Anonymize before posting.

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I am having the same problem with one machine as well. Running MS Access 2000 (unfortunately), and all machines run well with one exception. DB reads take about 10 seconds each. If a solution has been found, please report.
--Dave

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I'm having a problem on my iMac early 2008 (2.4GHz Core 2 Duo 4gb SDRAM) after upgrading to Mac OS X Lion.
The animation such as mission control and full screen and especially, launch pad performs really slow.
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thanks for the reply!
I've checked the activity monitor but nothing was taking up the space expect for Flash Player (Safari Internet plug-in, which takes up 29% of CPU)
here's my screenshot. can you see any problems?
and here's another

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This folowing is the text of a feedback I have sent to Apple.
Something doesn't quite seem right.
Yesterday I had problems trying to rip to Apple lossless format.
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Another user posted similar comments re a MacBook in July:
http://discussions.apple.com/thread.jspa?messageID=5024487#5024487
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The performance of my iMac (24-inch, early 2008, 2.8 GHz Intel Core 2 Duo, 2 GB RAM) has degraded significantly since I upgraded to Lion. I downloaded Lion from the App store and did a direct install before realizing I could do a "clean install". I've corrected my disk permissions and have over 180 GB of free memeory on my hard drive. I've done everything I can think of to help address performance issues except:
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Bermudagord wrote:
I've created Lion Bootable DVD in anticipation of needing to do a clean install, but am unsure of what the potential negative impact of this would be (i.e. lost data).
A question to the group is what are the risks of a clean install and how do I minimize them?
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When you are in Setup Assistant do your migration. Migrate only apps and data to minimize the chance of any other corruption in your previous system.
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Greetings.
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Leonard B.

Too bad about the site redesign. I had a draft of this message started, then got busy. Now I have no idea where to look for it. (And what happened to the Preview function?)
ANYWAY… I talked to a tech person at Other World Computing about the problem. He was of the opinion that the iMac SHOULD be showing some slower response if booted from the external drive, but that maybe the sluggishness in this case was excessive. He had me run a hardware scan to see whether there were any bad blocks. After 24 hours, Speed Tools reported no problems. So now I have run every diagnostic and repair tool I know of and every one that was suggested (every one that I own, that is), and the computer is still hesitating so much that I just have to get up and walk away from it sometimes in order to stay sane.
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Thanks again in advance.
Leonard

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Please Adobe, make the Library module run as smoothly as the Develop module in version 1.3.2...

The preview folder is 2,11 GB big. The .lrcat is 47 MB big.
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Hello all,
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You probably did not install the drivers for the video hardware (on the Windows side).
My Mac OS version is 10.5.2 and all current updates have been installed
That would have nothing to do with 3D performance when booted into Windows.
Here's the forum category for Boot Camp users. You should also ask your question there.
http://discussions.apple.com/category.jspa?categoryID=237

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The pc is connected to server(data base).When I open a bunch of photos (20-30) approximately 8 - 12 MB each one and sometimes I experience a slow performance(for example I am trying to retouch/clone something and it takes a lot of time for the pc to redraw/respond) the interesting part is that it doesn't happen always(sometimes can be even 3 photos and it will take ages to do something) also I notice that after appr. 20 minutes it's suddenly start to work as it should normally(it's like there was an update and when is updated/complete everything is fine).When that start to happen today I restart CS5 and load the same photos and it work fine, so it is really bizarre for me.I put a 89% ram usage to the CS5(I pretty much use only all the time Photoshop and bridge ) also made the history steps to 7 and the cache to 6 for big and flat files.I was checking the Efficiency and it's all the time 100 % so it's like it's not the photoshop but like I said today i just restard the ps and upload the same photos and got fix...I tried to copy the photos on my hard drive(so it should not be affect of the performance of the server but still the same as when I take them straight from the server.Because the hard drive is only 80 gb ( I don't store anything there ) i did clean up and disk defragment still the same situation.Do you know what can be the problem and is it the Photoshop or the Pc?I'll appreciate it.
Thank you

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Like in this article:
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Broadband WAS repeatedly disconnecting (i.e. the B was going red then orange then back to blue) but as I don't sit looking at the HH all day I have no idea how often it is happening...
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I create a new document and begin drawing with the standard Keynote shapes and text tool. At some point performance takes a noticable decline and performing simple operations like using the text tool or selecting and moving an object gets painfully slow. For example, if I were to type, "The quick brown fox" (which would take about 2 seconds), it would take upwards of 30 seconds to render on the screen. If I copy and past the same text, it appears within a second.
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I should also note that I discovered this older article https://discussions.apple.com/message/2748043#2748043 regarding similar text performance problems with Pages.
One commenter lists these potential causes:
1. Do you have any PostScript Fonts installed? Some people have reported problems with some PostScript Fonts.
2. Do you have any missing fonts? When you open the document, does Pages complain that it cannot find one or several fonts?
3. Do you have corrupt fonts? Open FontBook, select all fonts and then File > Validate Fonts.
4. Corrupt pictures, songs and movies in your home folder's Movies, Music and Pictures folders can slow down the product through the Media Browser. AVI films in the Movie folder can slow things down, as QT usually cannot play them.
5. Go to View > Hide > Layout. For some reason the layout slows things down.
6. Don't view Thumbnails.
7. Use the Text Fit option "follow contour" instead of "follow a square" in the bottom section of the wrap inspector. (Or was it the other way round? Anyone?)
8. If an object is set to wrap, and a wrapped side squeezes out any possibility of text wrapping along that side - such as extending a text box to the margin, the extreme slowdown will occur. So don't.
9. Use as few objects as possible Fixed on Page. Instead use Moves with Text.
1. I do have postscript fonts, but none are being used.
2,3. No missing or corrupt fonts.
4. Problems are not related to media files.
5,6. Layouts and hiding thumbnails have no effect.
7,8. No text options seem to have an effect.
9. There are many objects -- could that be the problem?

Slow Performance - Java Related?

This is an old box that I bought used recently, but the system install is recent. The system performs very slowly - about 50% of the speed of comparable Mac's in the XBench database. If I use Xupport to manully run "All" of the system maintenance crons I get some improvement, but it quickly goes back to being slow.
Looking at my logs I have a "boat load" of Java errors under CrashReporter; there will be a string of "JavaNativeCrash_pidXXX.log" entries - many of them, as follows:
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : Bus Error occurred at PC=0x908611EC
Function=[Unknown.]
Library=/usr/lib/libobjc.A.dylib
NOTE: We are unable to locate the function name symbol for the error
just occurred. Please refer to release documentation for possible
reason and solutions.
Many of the line entries that follow, but not all of them, refer to SargentD2OL, which is a Java app, which I installed, but it did not work properly so I removed it. Yet I continue to get Java errors that refer to this now non-existant app.
I have read that Java apps use a lot of resources, and that D2OL in particular uses a lot of resources. Can my slow performance problem be Java related? If so, any idea of how I can fix this problem?
G4 AGP Graphics Mac OS X (10.3.9) 500 MHz, 512M RAM

Sorry to take so long to respond, but other issues in life have demanded my attention.
None of the solutions given have had any affect. My Java folder has both a 1.3.1 and a 1.4.2 app - the Java Update 2 will not reinstall because it sees an up-to-date app in the folder. But reading the update file it says the older Java will be removed - but it is still there. Problem?
On XBench the system scores a 9 to 10, while similar boxes on the XBench database score around 18 to 20. My cpu, memory, and video scores are very low. The HD through-put scores are the only ones that are normal. TechTool Pro 4 finds no problems. I have removed the memory sticks one at a time and retested after each cycle - no difference.
I have two drives, each with a 10.3.9 install. One works fine, scores around a 17 on XBench, the other scores a 9 to 10. So it appears to be a software problem. The slower install is a drive from a iMac G3 that has been moved to the G4 - are there issues with this?
My favored drive is the prior G3 one (newer and faster than the other drive that system tests faster in XBench) - it has my profile and all my info on it. It worked fine in the G3 - no problems.
Thanks for the help,
G4 AGP Graphics Mac OS X (10.3.9) 500 MHz, 512M RAM, ATI 8500

Slow performance-CS4, why?

Hi,
I have a Q9450 proccessor, Vista 64 bit with 4GB ram. ever since I installed CS4, things are going a bit slow in PPRO, and I don't understand why?
For example, scrubbing or playback in the timeline have become painfully slow, and sometimes, I see leftovers of the marker, as if I don't have enough memory (it's hard to explain in writing... I hope
you got it). Overall, all the symptoms shows I don't have enough memory, because of the slow performance, but it doesn't make sense, cause I have 4 GB, and in CS3 it all worked great.
Any suggetsions?

worked just great...
I don't get it.
I googled a bit and found this thread:
http://dvxuser.com/V6/showthread.php?t=149929&page=4
read what Dave Helmly at Adobe had to say (below):
YES we use all Cores for playback , effects, and rendering for both Mac and Windows.
I highly recommend switching to Vista 64 if you are a Windows user (Mac guys are OK with 10.5.4 or higher) Vista 64 will allow Production Premium CS4 to run using more than 4GB of Ram (XP/Vista32 Limitation). As with most NLEs, there are several programs running at the same time to give you the NLE experience. CS4 now allows each process to take up to 4Gb of RAM. If you have 16GB of RAM, then 4 processes can take up to 4GB each. This is a HUGE advantage over CS3. What are some examples of processes? DynamicLink, AfterServer, Photoshop Server, Adobe Media Encoder, Titler, Playback, Capture, Importer, and many more. I tell most people to count on buying 8GB minium.
So maybe I have to add more ram, in order CS4 to run properly...
Roy

Slow performance on a iMac 27" (maybe originated by the HDD)

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