Slow SAMBA transfer speed

[MetalizeYourBrain]

So, as the title says I'm getting really low SAMBA transfer speed and I can't manage to understand why. Someone has had the same problem installing recently SAMBA? I'm using a Raspberry Pi 2, a TP-Link TL-WN823N adapter and a USB 2.0 drive for testing. The drive can read at 25+ MB/s connected to my Windows machine. The transfer speed doesen't change that much if I use ethernet, I just barely get an increase in transfer speed.

[mattmiller]

Just to clarify
Your plugging your USB in a Win machine and getting 25MB/s - yes?

What speed are you getting with it plugged into the Pi e.g read speed on the Pi?

And then what speed are you getting with it plugged into Pi but reading it over a LAN cable using Samba to your Win10 machine?

Matthew

[MetalizeYourBrain]

Just to clarify
Your plugging your USB in a Win machine and getting 25MB/s - yes?

Yes.

What speed are you getting with it plugged into the Pi e.g read speed on the Pi?

I don't know because I don't know how to test that.

And then what speed are you getting with it plugged into Pi but reading it over a LAN cable using Samba to your Win10 machine?

About 4MB/s. On wifi is about 2.7MB/s.

Thanks for the answer.

[mattmiller]

4 to 8MBs is about the normal range to expect out of a Pi LAN port

Its 12.5MBs theoretical maximum - it doesn't take much for the real-world to bring this down to what your seeing

[ghans]

If your drive is NTFS-formatted , it will decrease the
performance.


ghans

[mattmiller]

Just to check - I transferred a 3200MB file direct from Pi to PC using Samba over WiFi - got 4.3MBs

I tried the same file using pscp (uses SCP protocol) and that only achieved 2MBs

[gkreidl]

4 to 8MBs is about the normal range to expect out of a Pi LAN port

Its 12.5MBs theoretical maximum - it doesn't take much for the real-world to bring this down to what your seeing

I do a lot of file transfer using samba and I get a steady 11.2-11.5 MB/s rate (RPi 2 and 3).
On the RPi side I write to a ext4 formatted USB HDD (or read from it).

[mattmiller]

I do a lot of file transfer using samba and I get a steady 11.2-11.5 MB/s rate (RPi 2 and 3).

Over 100Mb/s CAT5 or a very fast WiFi connection?

[MetalizeYourBrain]

If your drive is NTFS-formatted , it will decrease the
performance.

Plain FAT32. I know NTFS is a bit hard on the CPU for the Raspberry. What should I do?

@mattmiller As ghans said the speed I'm achieving are not good.

[gkreidl]

I do a lot of file transfer using samba and I get a steady 11.2-11.5 MB/s rate (RPi 2 and 3).

Over 100Mb/s CAT5 or a very fast WiFi connection?

Ethernet connection.