Currently Being ModeratedJun 17, 2012 4:27 PM (in response to Nicksong)
Everytime after I played with my iTunes for a while, it will suck about 1.3G RAM. And this part of RAM doesn't even be released even when I leave the iTunes running in the background. I have about 1400 songs and I never use the flow feature to view the items because it will drive me crazy...
Doublechecking, Nick. So you're getting that even though you've got the main iTunes Player in List View, and you're not using the Mini Player at all?
Currently Being ModeratedJun 18, 2012 8:01 AM (in response to b noir)
Yes, I always use list view. But when I was using mini play just for playing songs, it's OK.
I searched for this phenomena and thought that this is because of the buffering of all the information of my songs when using the list view. My point is iTunes should be able to release such RAM used to buffer info after users stop doing so. Or every time after I managed my library, i need to restart the iTunes to make sure that the Mac works normally.
Currently Being ModeratedJun 18, 2012 4:37 PM (in response to Nicksong)
Okay. Experimental advice, but it may be worth a try.
Does your memory usage keep increasing in the same way if you launch iTunes in safe mode, as per the following document?
(Checking on both feral plug-ins and exotica relating to interactions with the Apple Push Notification Service here.)
Currently Being ModeratedJun 19, 2012 6:37 PM (in response to Nicksong)
It's pretty rare, but I think we might be seeing a bug here. I've been involved in a troubleshoot in a non-public community where someone else is reporting pretty much exactly your symptoms. It's also possible that Joachim here is getting something similar:
... although his WindowServer symptoms doesn't seem to be being replicated by the other person in the non-public community.
Not a short-term solution, but if you've got the time would you mind submitting a bug report to Apple? Here's a link to the iTunes product feedback form:
Currently Being ModeratedJun 21, 2012 10:10 PM (in response to Nicksong)
I would have to agree with the other posts that you may have a software issue with iTunes in general, but also from a hardware side, I find that 4GB of memory can still not be enough to run itunes smoothly on that MBP.
I have the very same model of Macbook Pro as you do with the 2.7Ghz Processor, but I always felt a little lag with the built-in 4gb mem. So I swapped it out for 8gb total and the whole system works much much faster. I honestly think that this model, and frankly any of the Sandy Bridge CPU's (2011 Macs) were released with too little memory! I also have a Mac Mini 2011, that came standard with 2gb and that is a complete joke. I upgraded it to 4gb, but now it really needs 8gb as well! I think the whole line really does. Just too much CPU power, and not enough Ram to really benetfit. The older macs seem to be fine with the less memory, but there is something about this line of intel chips that I really find from my personal use requires higher amounts of memory for lag free performance. Fortunately it is the cheapest fix you can do. I upgraded both my macs (they use the same memory modules) for like $42. online per mac. And that is high quality, reputible memory. Just shop around and 8gb is very easy to find. Just don't pay more than like $55. That is too much.
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