Posted by tgtech on Jun 19, 2021; 1:06pm
URL: https://forum.librecad.org/LibreCAD-Slow-Saving-Across-a-Network-tp5714702p5720764.html

This is driving me crazy.  I have a QNAP NAS serving up a network drive.

I use Windows 10 Pro version 21H1 on an AMD Ryzen 7 4800H with Radeon Graphics, 2.90 GHz, 16.0 GB RAM with LibreCAD: Version: 2.1.3, Compiler: GNU GCC 4.9.1, Compiled on: Sep 23 2016, Qt Version: 5.4.1, Boost Version: 1.60.0

Loading a LibreCAD file is very quick, but saving the same very small LibreCAD created native dxf file (only 71Kb!) to the network drive takes about 30 seconds ... saving it locally is essentially instant.

Word, Adobe Acrobat, and several other 3rd party applications save to the network drive very quickly - 20Mb files save in 3-5 seconds.  Copying large files to and from the network drive is also speedy.

I have tried wired and wi-fi connections, installed LibreCAD on two different computers, changed the SAMBA version on the NAS from v2.1 to 1 to 3, tried the LibreCAD nightly build, tried a registry change for "DirectoryCacheLifetime" ... nothing helped.  The best I can tell is it is unique to LibreCAD.

Any ideas?

Thanks!