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 Post subject: Ubuntu server file share performance (Gigabit)
 Post Posted: Sun Sep 18, 2011 11:50 pm 

Joined: Tue Jun 10, 2008 7:44 pm
Posts: 361
Location: Bellevue, WA, USA
Hi Scott,

just repurposed a used HP Core 2 Duo desktop system (4GB ram, 400GB SATA HD) (specs here http://h10025.www1.hp.com/ewfrf/wc/prod ... t=3359920&) and loaded Ubuntu server 10.04 LTS (64-bit) using SAMBA to set up a folder share.

Ubuntu server connected to gigabit switch in turn connected to D-Link DIR-655 router.

Windows 7 Desktop system connects via Gigabit NIC to same router.

Using CAT6 cable between all points.

Mapped a network drive to the share in Win 7 and Initially tried testing network performance with built in 10/100 nic (on Ubuntu server) and performance wasn't great. Installed an Intel Gigabit NIC into the PCI express x16 slot and then tried again using the methods you specified in this posting: viewtopic.php?p=7001#p7001.

Write performance

ntimer creatfil test1.dat 97657
command three times with different file names and the command ran in a little under 6 seconds (avg. 5.9) which by my calculations equates to 16.9 MB/s.

Read performance

ntimer xcopy test1.dat c:\temp
command a few times and average time taken was just over a second (1.1) for a 90MB/s rate.

Just wondering what you think of these results? Planning to use the HP system as a NAS and squeezebox server using the Ubuntu server os fulltime.


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 Post subject: Re: Ubuntu server file share performance (Gigabit)
 Post Posted: Mon Sep 19, 2011 1:14 am 
Site Admin

Joined: Sun Feb 04, 2007 11:44 am
Posts: 6180
It's a lot better than an NSLU2, but that's not saying much <g> and in this case the file size is simply not big enough for meangiful results. For a more accurate test you'll want to create something larger that will take closer to a minute (or more) to create. In addition, you'll want to create the file from the client directly on the server share (do not copy or xcopy the file), which will exclude the disk performance of the client system. Finally, if you want to isolate and compare the performance of various server OS, then run the same test on the same server running other OS (e.g different versions of Windows), then compare the file creation results. Let me know what you find. Scott.

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