Networking :: File Transfer Speed Too Slow ?
Oct 14, 2009
We have a server and we have instales an Open suse 10.3 on it. We created a Samba server also. Made to share folder, that we acces from network from other computers that have xp.
The problem is if we try to copy from server it is very slow only 100-300kb/s. The strange thing is that if i copy 1 file then its slow but if i start to copy another one the speed gos up to 10-15mb/s. Evry time i want to copy somethin or install from that server i need to start another copy. If i copy from a comp to that server the speed is normal only if i copy from server its slow.
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Feb 7, 2010
I'm experiencing slow speed transfer between two wireless connected laptops running ubuntu 9.10. Using SSH to tranfer files between these two laptops, which connect to the internet via a wirelesss router, with good speed. This is why I'm surprised by this low speed : 52.3 KB/s, averaging 3 hours and 31 minutes for a 700 Mb movie. Is there any way to make this faster ?
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Nov 15, 2010
I have a 500gB USB drive connected to my laptop for backups and filestorage. But I can't get it to play nice with Midnight Commander. My transfer speeds max ut at 2MB/s wich is painfully slow when moving large files such as movies. Worker FM transfers the same files to the same drive much MUCH faster (not sure by how much, though). This leads me to the conclusion that the problem lies with MC.
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Feb 1, 2011
I'm trying to transfer some files to my USB stick, and it's transferring at the most pitiful rate, around 200-400kb/s, occasionally shooting up to 1MB/s, but not for more than a few seconds.
I realize a lot of factors can play into this, so I'll try to provide as much detail as I can.
I'm using OpenSUSE 11.3, KDE 4.6 RC2, and a Corsair Mini Voyager 16GB. My motherboard is a Gigabyte EP45-DS3L.
dmesg output:
Code:
lsusb -t output:
Code:
Sometimes too, the transfer just stops all together. It just... doesn't transfer for a while, then it'll go back to 400kb/s etc, then it'll stop again for a minute.
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May 7, 2009
I have connected two computers with each other both having fc installed. Now, when I tried to transfer a file from one computer to another using scp command, sometimes the file transfers very slowly and sometimes very fast. I wana know that why it sometimes transfers slowly. By slow I mean much slower than a file downloaded from a dsl.
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Feb 20, 2010
Ok, the only thing I remember doing is changing out my hard drive because it went bad. I swapped in a new one and reformatted with Windows 7. (I can hear the boos and hisses as I type) Anyway, now file transfers are exceedingly slow. They are ~10KB/s when they should be ~40MB/s. The odd thing is that it mostly occurs on large files, but not all large files and sometimes smaller files are affected. Copying files from one hard disc to another on the server, as well as copying from the server to Win7. Local files are not affected. The problem does not occur on my laptop which has Slackware Linux on it.
Another thing about the problem is that when I mount a disc image on a virtual drive, access time is very slow and windows explorer is very unresponsive and often locks up completely.
I have a samba server with Slackware Linux on it and a Windows 7 client. DHCP is configured through dnsmasq. (dhpc-host=<mac address>,<computer name>) Every now and again, dnsmasq seems to conk out when I try to access the network with my Win7 machine. I then have to reboot the server, as my only access to it is via SSH and I don't have a video card in it. After the server reboots everything is fine until accessing the network with my Win7 machine conks it out again.
I've tried different MTU settings, different network cards on the Win7 machine(Dlink and realtek), various regedit hacks, but none of them produce any results.
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Aug 15, 2010
My Sempron LE-1100 home server (1GB RAM) has run CentOS 5 32-bit happily for years, but I decided to replace its two Seagate 250GB drives (RAID1) with two WD 500GB black drives (RAID1). I decided to do a fresh install and used CentOS 5.5 64-bit this time. Since switching to the 64-bit OS with the new drives, my transfer speed across the LAN has dropped from a reliable 45MB/s to only 18MB/s from other machines to the server, and to 27MB/s from the server to other machines on the LAN. I use gFTP or WinSCP for these transfers (in FTP mode). Prior to installing the new WD drives, I ran the long WD tests on them and they passed, so I don't believe the drives are faulty. I suspect it's more to do with me switching CentOS from i386 to x86_64.
I've got two questions:
1. Is the 64-bit version of CentOS appropriate for a Sempron LE-1100 with 1GB ram, or should I switch back to the i386 version?
2. Is there a reason why switching to the 64-bit OS would negatively impact on transfer speeds? I doubt the new HDDs are faulty...I was expecting them to be faster.
3. Is there anything I can try to improve transfer speeds across the LAN?
According to PHPSysInfo, the network card is "Ethernet controller: nVidia Corporation MCP67 Ethernet".
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Aug 5, 2009
this is all on LAN.Whenever I transfer files through the router A to a pc connected wirelessly, the internet hit the speed of molasses. What can I do to rememdy this? I was thinking about having my fedora box connect wirelessly to the internet, through router A, and then bridge via ethernet to router B and then have my pc always connected to router B, so when i transfer files, router A remains unaffected. Is this correct logic?
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Aug 22, 2010
I am having a problem trying to transfer large file (~700MB) from one station in my home to another. I have 3 PCs hooked up through a router. 1 is wired to the router and the other two are wireless. One wireless is a laptop that has a built-in Atheros wireless card that was supported during the FC13 install. The other wireless has a plug-in wireless card made by Belkin (F7D1101). I had to use ndiswrapper to get it to work on FC13.(BTW all PCs are running FC13)
The one with the Belkin card is, I think, the problem. The one with the Atheros card will transfer files at a rate of about 8MB/sec to the one with the wired ethernet connection. The one with the Belkin card will not transfer at rates over 300KB/sec to either of the other two PCs. I have tried file transfers both encrypted and not and it makes no difference.
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Feb 12, 2016
I'm having a strange problem with data transfers between systems. I have a file server + my desktop. Both are running Debian 8.3. I have a samba share running on the file server and I mount the shares on my desktop on boot via /etc/fstab
When I copy a file using the nautilus from my home folder (on my HDD) on my desktop to the mounted network location, my transfers start out at gigabit speeds 80MB/s-90MB/s for a couple seconds and then drop down to about 8MB/s
But when I terminate the transfer and then use scp to transfer the same file, I get consistent gigabit speed throughout the transfer. I am not sure what is going on.
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May 20, 2010
I've fixed almost everything except this problem. My network card worked fine on Windows but since I switched from Windows, file transfer over the network using my network card is horribly slow, 30kbps max on 100mbps wired connection. I know my network card is working fine, and I'm trying to copy files between my Ubuntu PC and windows PC, I've set up Samba as recommended by these forums, I can transfer files when using wireless connection, but I still can't transfer files at a speed faster than 30kbps on a wired connection.And the funny part is, it's fast when copying files from Ubuntu to Windows but it's slow the other way. And I've tried this with more than 4 different Windows computers.lspci returns this for the network controllerCode:Silicon Integrated Systems [SiS] 191 Gigabit Ethernet AdapterIs there any way of updating drivers or something that I can do to fix this problem
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May 19, 2011
I have two machines running open vpn connected trough a 8 port Gigabit switch (Tp-link TL-SG1008D). The problem is when I try to transfer a file the transfer starts at 13 mb/s and drops to 300kb/s. When I replaced the ram on the two machines and restarted the transfer the speed was 13mb/s constant. How does changing the ram makes such differences (at the first transfer they had 512mb at the second transfer the machines had only 128mb) ? Os Ubuntu Server 10.04.2 LTS
PS :Tried with 256 ram and the problem persists...
Machines: two hp d530
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Mar 6, 2011
what might cause a file transfer to start out fast (11-12 mb/sec) and then drop to about 1 mb/sec after having downloaded about 2 gb? This is what happens when I download files from my old fit-pc 1.0 (a small mini PC with 256 MB/RAM, an AMD Geode processor, and a 100 mbps network card) via ftp over my local network. Is it some buffer filling up?
I was directed to some article about "bufferbloat" earlier [URL], but I did not get any solution from that unfortunately. I have tried increasing the server's TCP buffer using these instructions: [URL] , but it does not make any difference. By the way, I am running Ubuntu Server 10.10 on the fit-pc and Ubuntu 10.10 desktop on the connecting client (which is just a normal Core 2 duo, 4 gb ram computer).
UPDATE: I should add that things were working fine when I was using ubuntu 7.10, but are not now that I have installed 10.10...
UPDATE 2: I just found out this is ONLY a propblem when transferring files to ubuntu. If I use winscp from Windows 7, the transfer speeds are fine...
UPDATE 3: It seemed it was gFTP that was the culprit. Transferring the files using filezilla instead in Ubuntu yields an excellent rate of 11.8 MB/sec. Anyone have an idea what might be wrong with gFTP?
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Jun 15, 2010
I have one Linux server equipped with WiFi . I want to measure data rate speed on this connection . Is there any utility on my Linux that can measure data speed on one specific Ethernet connection when transferring large size files through WiFi connection?
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Jul 7, 2011
I want a program that can be installed in two pc and measure speed of transfering files from one to another or any data measured in Mega bit
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Aug 11, 2010
I am running Fedora-13 64 bit on my Dell Laptop, The same Laptop has Windows-7 as well (dual boot system). I have chosen ext3 filesystem while installing fedora. The file transfer speed in Fedora-13 over the network to my network drive comes out to be not more than 5MBPS.Where as in Wndows-7 I am getting the speed of around 10~12 MBPS. Also I found that copying files in USB flash drive is very slow than in Windows-7 . What could be the problem? To add it , I have another Laptop Running Ubuntu-10.04 , which also performs network transfers at 10~12 MBPS. So its just the fedora-13 who has this problem. As far as I remember this was not the case with Fedora-12
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Apr 20, 2010
I have few different usb cards and socets , some of them i have really hotwired.. and i would like to find out where to keep my usb-hdd . few months ago i would use "total commander" it would show .. copying-444Kb/s but these times are over...
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Dec 13, 2010
About NFS.
Server:
Client(s):
Code:
I have followed Robbie Workmans' HowTo [url]
Reading and writing works absolutely fine with small files but large files are tediously slow in writing to the server. (rw,no_subtree_check) are options in exported directories.
What is your experience with NFS and how can I speed up large file/folder transfer(write) speeds?
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Jan 10, 2010
So what kind of speed are you getting with Samba over your local network? What speeds should I be seeing? I'm currently transferring a large amount of files from one computer to another. I'm taking everything off of a desktop drive on computer A and putting it on an IDE disk on computer B. Transfers are running at around 600-700 KB/Sec. I've seen moments, mostly when the transfer starts, where speeds were at 1000KB/Sec, but that lasts a very short while and then starts to "degrade" until it reaches 600+ KB/Sec. It then seems to level off there. Is this acceptable? Is this all I can expect to get out of a 10/100 home network? The current transfer is 2.5GB. Looks like it will take 1 hour+ to complete. Transferred 12GB last night. Was looking at 4-5 hours to complete so I left it running while I was sleeping. Personally, I think this is slow. I think it could be exponentially faster.
While I'm running these transfers I'm looking at some documentation on Samba speed tweaks. I've been adding little tidbits here and there to both smb.conf files. Some of it seems to help. Sometimes there is a noticeable difference in speed. Sometimes the changes actually cause degradation in speed. If you have a speed tweak that you would like to share the information will be gratefully accepted. Samba gurus welcome to reply. How do you set up Samba in an office environment? How do you set Samba up in an environment where performance is critical?
Maybe I should forget about Samba and try using a different transfer protocol? Am I expecting too much from Samba?I should stop before I really start to ramble. Anyhow, networking beats the heck out of the sneakernet, at any speed!As a side note, or maybe quite importantly, there is a router and a network switch (not a hub) involved here. Maybe something to consider?
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Jun 19, 2011
I just noticed that files are transferring between my two computers at no more than 11.3Mb/s no matter what I do.
I regularly use sshfs to mount a drive on my main computer. But after noticing a dismal speed of 10Mb/s when copying a file, I thought maybe sshfs is slow. So I tried scp, and I'm getting 11.3Mb/s with scp. Using the blowfish cypher gave me no change to this, still exactly 11.3Mb/s.
I have a Gigabit network except for the cable, which is a 10meter, 100Mb/s cable.
I have a custom modified sysctl.conf file which I'll post here if needed.
Is there anything I can do about this pathetic speed ? Maybe a modification to my ssh config ? sysctl ? anything ?
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Apr 19, 2010
I recently setup my two PC's for network file sharing using Samba. I notice the max speed I can transfer a file is 89kb/s instead of 100Mb/s. How can I increase the speed to max 100Mb/s? Both systems are running Ubuntu 9.10 w/Samba.
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Feb 14, 2010
i have a bit of a problem and it seems i am not alone, google gave me a lot of hits but no solution.i'm running a dual-boot system on my laptop.
ubuntu 9.10 is installed on ext3
windows xp sp3 on ntfs
files are on another ntfs partition
if i want to copy a file (or folder) bigger than 250mb my laptop literally gives up until the file transfer is complete. opening up a terminal via keyboard shortcut gives my an idea how long a ice age can last.this happens with ext3 to ext3; ext3 to fat32; ext3 to ntfs and ntfs to ntfs.today i wanted to backup some files (12GB ~4k files) the first 4gb ran with 20MB/s (all open applications grayed out). after 2h i came back to see that only 6GB where done.
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Jul 9, 2010
Is there any solution for slow file transfers experienced when copying files to usb in 10.04?
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Jan 26, 2010
I was wondering how to calculate some problems related to network transfer speed. If someone can show me a function to calculate network transfer speed over time, I would appreciate it.I'm in the midst of transferring 1.3TB of data to a network storage system. By looking at the stats, 4.6GB file transferred out in 6 min and 30 seconds. How long would it take to transfer 1.3TB of data?
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Jan 27, 2010
I have 8.04.3 server-32bit. It is on an HP 2.3ghz Pent 4 with 512 mb of RAM.I had previously installed Ubuntu and Kubuntu in a dual boot with XP (actually had a triple boot with XP, Ubuntu, and a BETA Windows 7) for a while, Grub got messed up so I ended up wiping it and just put my XP back on it. I have been intimidated by the command line and when thinking server, I tried the 30 day deal with windows Home server, its OK but it's $100.00 for the permenant version.
Anyway, I manned up to the challenge, installed Ubuntu server, set up as SSH and Samba. I administer from PuTTy and WEBMIN, I tried TightVNC but the GUI seemed very useless, so on a reinstall I went headless.The problem is I have alot of MP3 files I want to transfer back to the server that I had previously transfer to and back again from the Windows server, it was sceamin' fast compared to this. I have found threads talking about using NTFS, I have the EX3, or whatever the Ubuntu format is. Could that cause slow transfers, from NTSF through Samba to Ubuntu?
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Mar 19, 2011
For the past week+ I have been experiencing very slow file transfers, moving files from one HDD to another - both internal, connected with SATA, should anyone care.. When I move any file, regardless of its size, it is moved with 1.1 MB/sec at very best That's a major pain in the behind, even for moving small amounts of data! If anyone could point me in the right direction, or give me a solution
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Jul 4, 2011
I am trying to move over 1 Terrabyte of files from a two terrabyte drive into my Ext4 drive where Ubuntu 11.04 is installed. The two terrabyte drive is where my winxp used to be and it's currently paritioned into three partitions. I would like to reformat into a single partition that's why I'm moving the files.
When moving the files from the 2Terrabye NTFS partition into the Ext4 partitioned drive, the best transfer rate I could get is 11 megabytes per second. When I transfer from one NTFS drive to another NTFS drive, I could get as high as 70megabytes per second in WinXP. Is there a way to speed up the speed transfer?
Otherwise, the file transfer dialogue says it would take 26 hours to move all the files!!!
Edit: both drives are internal drives connected via a sata II.
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Feb 14, 2011
I have been transferring files over the network. But I am sure It should be HEAPS faster than 8MB/sec
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Mar 6, 2010
I have set up a file server (Ubuntu Server Edition) for our lab. People can connect to common Samba file shares from their personal laptops/desktops, which run either Windows Vista or Mac OSX. The guys with OSX have upload/download speeds of ~2 MB/s, while the Vista machines are slogging away at ~200kb/s for downloads and ~400kb/s for uploads. In both cases, the connection are through wired ethernet ports which should function identically. Since the Macs work fine on the same network, I assume this is a Vista issue.
I have tried troubleshooting one of the Vista machines by:
1. Turning off the Remove Differential Compression feature
2. Disabling autotuning following these instructions
3. Adding a registry key following the same link above.
But nothing has improved. Anybody have any advice on addition tweaks to the Vista machine? Is there a chance that this is actually a server-side/samba issue?
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Feb 10, 2010
When using launchpad and the ubuntu daily build website it is very slow. I get 1.2mb/s normally and the speed drops quickly to 0kb/s This is the case from any version of ubuntu that is installed on my laptop.In windows it is no problem, equally there is no problem from a live cd or an install on my external hard disk. Is canonical blacklisting/slow listing my ip?
I am behind a university network but am sure this problem occurs at home .I did a clean install and had no problem until about an hour ago. When I tried to re download a project using bzr my speed instantly ropped.I had downloaded it fine a couple of hours ago. I hope that someone can shine some light on this, its very hard to work on projects if I can't download them.
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