L9 Library slow on external SSD USB 3.0 Drive?

[Pasha]

A friend provided me with an USB 3 enclosure and a Samsung 840 inside for a test.
L9 takes almost the same time as my internal MacBook Pro drive to display the Library Index.
Is this happening to you as well?
Should 9.0.5 fix this issue? It's all snappy except the startup.
I do not have 3rd party plugins except Zebra. Runnng L9 at 32bit.
MBP 13" 2012, 8GB RAM stock Internal HDD.

Best
Pasha

[3osc]

What model is the enclosure? Many on the market are inadequate for SSD drives.

[Pasha]

What model is the enclosure? Many on the market are inadequate for SSD drives.

This one : http://english.hamletcom.com/products/hxd25u3mbk.aspx
It scores good speeds on OS X benchmarks, albeit not the theoretical maximum
allowed by a 840 drive.

Thanks for reply
Best
Pasha

[3osc]

As always, TomsHardware makes for a good read:

http://www.tomshardware.com/reviews/usb ... ,3215.html

I found this a while back while researching external SSHDs. It's pretty thorough without being overly technical. The gist of it is that there are two protocols for transferring data over USB. The old way was developed way back when USB drives could only hold a few megabytes and the connection moved way slower than the drive it connected to. Since our drives now hold terabytes and USB 3 can move hundreds of megabytes per second, the old protocol is what's slowing us down. Problem is, both devices, your computer and the hard drive enclosure, need to have the new protocol enabled. If either one is lacking, you'll get severely reduced speeds. Your Mac should be good, but I don't see anywhere on the product page or in the manual that the external is USAP ready. No one would be able to tell if all they used was a platter drive, but when you plug a SSD in, that protocol becomes the bottleneck. So, I'm not surprised that you don't see improved speeds. You'll get SSD speeds if you use something like this: http://www.amazon.com/Plugable-Docking- ... +enclosure

[Pasha]

As always, TomsHardware makes for a good read:

http://www.tomshardware.com/reviews/usb ... ,3215.html

I found this a while back while researching external SSHDs. It's pretty thorough without being overly technical. The gist of it is that there are two protocols for transferring data over USB. The old way was developed way back when USB drives could only hold a few megabytes and the connection moved way slower than the drive it connected to. Since our drives now hold terabytes and USB 3 can move hundreds of megabytes per second, the old protocol is what's slowing us down. Problem is, both devices, your computer and the hard drive enclosure, need to have the new protocol enabled. If either one is lacking, you'll get severely reduced speeds. Your Mac should be good, but I don't see anywhere on the product page or in the manual that the external is USAP ready. No one would be able to tell if all they used was a platter drive, but when you plug a SSD in, that protocol becomes the bottleneck. So, I'm not surprised that you don't see improved speeds. You'll get SSD speeds if you use something like this: http://www.amazon.com/Plugable-Docking- ... +enclosure

Thanks for the suggestion.
Indeed something strange is up here. I can have 200 MB/sec reads. However this drive should make at least 400MB/sec.. 200 MB/sec is more than my internal MBP stock drive so I was expecting a speed boost anyway. Sure it can't be the drive. Let me try to change USB 3 port on my MBP. I have a suspect...

Best
Pasha

Edit: The article is great! Maybe I should consider TB instead or a better USB enclosure.