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February 14th 2014 2:51 pm

Speed issues accessing my Synology NAS through OS X's Finder

I keep my photo library on my NAS and photos are sorted into subfolders by date (the folder format is: "YYYY-MM-DD"). I have photos going back to around 1999 and there are something like 2,000+ folders there. When I connect to my NAS via local network or remotely and try to load my photos folder via finder, I basically get a blank tab, no matter how long I leave the window open. Interestingly enough, I'm able to navigate to other folders on my NAS just fine. It's just this photos folder that's having a huge issue.


However, if I access my NAS via the web interface, things load up perfectly fine and it's nearly instantaneous.


So, my question is what the heck is going on. I have both Windows File Service and Mac File Service enabled. Though I think when I connect to my NAS via my Mac, it's actually doing it via WebDAV?

Anyway, if anyone who knows more about this sort of networking has any ideas on how I can speed up access to my NAS through Finder, I'd love to hear more.

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Using SMB or AFS? It takes a movies folder on my unraid server a moment to list on my air using SMB. But it does load.
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Only thing I can think of is indexing may be taking much longer due to the structure of the folders. I have found no real performance differences when using SMB versus AFP, but have noticed slightly faster access times over AFP. The pause here was that AFP discovery took slightly longer to connect than SMB, but now it's been the same.

If you think it's connecting over WebDAV just open a finder window and do cmd+k and create the connections. With unRaid the AFP share is clearly defined as AFP in finder.

The stupid suggestion here too is, have you only done this over wifi?
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First I would like to know your setup. I'm assuming Gig Ethernet + Mavericks, right?

Apple moved to SMBs, I would do the same and forget about AFP: www.engadget.com­/2013­/06­/11­/apple­-details­-os­-x­-mav...

Then, we have to find out if the problem is with the network or your machine. I'm assuming your Mac, and it sounds like it's a caching issue. Try displaying the folders only as a List and then do CMD+J and uncheck "show icon preview". Let me know if that changes the behavior at all.
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Hmm, another thing I've tried is running this command in the terminal:

sudo sysctl -w net.inet.tcp.delayed_ack=1

I don't have any qualitative data that proves things are faster, but it seems like Finder is much more zippy when accessing files on my NAS. For reference, I found this thread that explains slow speeds using SMB way back in the Snow Leopard days: www.macwindows.com­/snowleopard­-filesharing.html­#09...
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My only concern with modifying network stuff like this is if something goes wrong you may never remember that you made this change.
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