Tagged Questions

1
vote
1answer
21 views

Hot File Clustering with multiple partitions

I'm planning a performance-oriented clean install of OS X 10.6 and I was wondering if the hot file clustering feature will exists only on the boot partition or if there will be one for each partition ...
1
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2answers
1k views

Why is application switching slow on Late 2013 Mac Mini compared to early 2008 Macbook Pro?

I recently purchased a Late 2013 Mac Mini Quad Core i7 2.6Ghz with 4gb DDR3 ram, 1TB 5400 rpm drive model APPLE HDD HTS541010A9E662 running OSX 10.8.2 I used Migration Assistant to migrate apps and ...
3
votes
3answers
1k views

What is an SSD drive's negotiated link speed?

When I look at my Apple SSD TS256C (Toshiba) in the System Profiler on my MacBook Pro (Late 2011), I see: Link Speed: 6 Gigabit Negotiated Link Speed: 3 Gigabit Why is that? Does that mean ...
5
votes
1answer
222 views

How to isolate the most disk-active process(es) in OS X?

I have some process(es) performing a lot of drive access from time to time, however I've hitherto been unable to isolate which process or processes are performing the access. What shell command can I ...
0
votes
0answers
52 views

Is there a way to monitor the stack of execution in order to find the longest hangs?

Related to this unsolved mystery: apple.stackexchange.com/questions/62416/why-do-i-get-serious-execution-lag-on-clicks-application-switching-and-general I'm wondering if there's a way to see which ...
1
vote
1answer
127 views

Move Large, Frequent files closer to center of HDD

Is there a native/third-party utility (or native trick) to move large, frequently-used files closer to the center of the disk? I was under the impression that the OS tried to automatically optimize ...
2
votes
1answer
182 views

Will FileVault reduce the power of my hybrid SSD+HDD?

I have a MacBook with a Momentus XT hybrid SSD+HDD drive. It have a 500GB HDD plus 4GB SSD which, as I could check, it uses as a cache for read operations. It uses some kind of black magic to ...
1
vote
1answer
359 views

Is there anything like NVELO Dataplex (hybrid SSD/HDD software) for OS X?

I'm interested in upgrading my old MacBook to using an SSD and moving the data drive to where the DVD drive is using an optibay. Often SSDs come with a licence for NVELO Dataplex software (which is ...
2
votes
2answers
107 views

How to decide on a new Hard drive for macbook pro [closed]

I have been using my Macbook Pro for about 5 years, it was the first model with the Intel chip. The 100GB hard drive is starting to go and I'm ready to replace it. I went over to Cnet to see what ...
2
votes
2answers
522 views

16, 32, 64 GB iPhone / iPod touch: are there any negative effects of size?

I am debating between purchasing the 32 vs. 64 GB iPod touch. I would lean toward a smaller hard drive if there is an effect of size on speed or battery life. Aside from cost, are there any reasons ...
1
vote
2answers
324 views

Bootcamp - Multiple Windows installations, how do delete one?

I've got a Mac Pro with 3 hard drives: 1 x 7200rpm 640GB - 1/2 for OS X - 1/2 for Windows 7 (Bootcamp) 2 x 5400 Western Digital'Eco-drive' (runs like a dog and is only useful for backups and ...
2
votes
1answer
651 views

Hard disk performance drastically declined after OS X Lion upgrade

After upgrading to Lion (10.7.1) a while ago I'm currently faced with a very poor performance of my system. It's a 2.2 GHz Core2Duo with 4 GB RAM and a 500GB HD. E.g. the JBoss6 AS needs about 5 ...
4
votes
1answer
246 views

How fast should my MBP internal drive be?

I'be been experiencing an ongoing (if not precisely measurable) feeling that my MBP is underperforming, and it seems to be related to disk IO. I recently downloaded a disk benchmarking tool, to see ...
2
votes
1answer
1k views

How much will adding an extra hard drive to my MacBook Pro affect battery performance?

I have a current MacBook Pro 15" i7 2.2Ghz with a 500GB 7200RPM (default) hard drive. I am thinking of replacing both the current hard drive and the superdrive with two Seagate Momentus Hybrid 500 GB ...
24
votes
3answers
7k views

What are the differences between journaling HFS+ and non-journaling HFS+?

I'm about to format an external hard disk drive (HDD). What are the key differences between journaling HFS+ and non-journaling HFS+? Apart from the fact that one has journaling and the other does ...
15
votes
5answers
2k views

Does the use of SSD give one a dramatic performance boost?

I use Mac book pro 15", and it's time to buy a new one. For HDD, now I see a new option of SSD, which is pretty expensive. I can expect shorter boot-up time and faster access of files, but I'm not ...