Finder.app locks up when copying files to/from slow filesystems

Originator:tony
Number:rdar://12774223 Date Originated:November 29 2012, 6:29 PM
Status:Closed Resolved:April 7 2013, 9:41 PM
Product:Mac OS X Product Version:10.8.2
Classification:Performance Reproducible:Always
 
Summary:

Finder.app locks up while copying to slow filesystems such as network shares and USB sticks.


Steps to Reproduce:

1. Insert a slowish USB drive into any USB port on a top of the line MacBook Pro w/Retina display;
2. Copy a large file (1-2Gb) from the internal SSD to the USB drive;
3. While the file is copying, navigate around the filesystem of your local machine using the Finder.


Expected Results:

The Finder remains responsive to all other activities, including updating the copy UI.


Actual Results:

The Finder locks up, showing the beachball cursor while the copy occurs for 5-10 seconds at a time. The copy dialog only updates in between these freezes.

There's no workaround, and the same behaviour occurs when copying to/from network shares via AFP, CIFS, NFS, etc.

Comments

dialog

The copy dialog only updates in between these freezes. TEA2025B

By joey899244 at April 11, 2013, 3:36 a.m. (reply...)

If you're using Synology NAS, try to remove the Cloud Station. It was my problem.

By florent.b at March 18, 2013, 12:59 p.m. (reply...)

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