Ubuntu – Extremely slow transfer speed ubuntu -> Windows

file-sharingsambawindows 7

I have two laptops,

One is running Ubuntu 12.04 (EXT4) the other is running Windows 7 (NTFS).

I am copying over 40gb of data (one file) from the Ubuntu laptop to the Windows Laptop.
(Browse the shared folder on Ubuntu using Windows copy/paste)

But I am getting transfer speeds topping out at ~700kb/s Surely this is not right.
I am transferring via wifi on both laptops.

My download speeds can reach 7-8mb/s on both laptops, so I know it is not the wifi cards or the router topping out. 

wlan0     Link encap:Ethernet  HWaddr 84:4b:f5:db:b4:85  
          inet addr:192.168.1.66  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::864b:f5ff:fedb:b485/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:11941185 errors:0 dropped:0 overruns:0 frame:0
          TX packets:11306693 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:10087111370 (10.0 GB)  TX bytes:7843524888 (7.8 GB)

Best Answer

I have had similar problems with Ubuntu to Linux - using some of the tips here https://calomel.org/samba_optimize.html I managed to get up to 1.5MBps but it's still painful. This is using both WiFi and a HomePlug connection.

Until I started transferring files sized in gigs, this was (of course) never a problem!

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