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Old 05-23-2005, 03:38 AM   #1
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slow write performance with Gigabit


I have one Linux Samba server ( FC3 + 1024 mb + AMD64 + Gigabit Ethernet) and I have another installed WinXP PC with Gigabit Ethernet.
I configured 512MB ramdisk on linux and WinXP PC.

When i copy winXp ramdisk to FC3 Ramdisk(Samba Share) for 456MB file; 43 sec ( 10.8 KB/Sec)

When i copy FC3 Ramdisk to WinXP Ramdisk 19 Sec ( 24,6 KB/Sec)

Why Linux write performance is low? (or samba write performance ?)

Old 05-23-2005, 05:25 AM   #2
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What DMA level is your hard drive(s) using on the linux box? hdparm -i /dev/hda
Old 05-23-2005, 05:42 AM   #3
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Which filesystem are you using ext3?
Old 05-24-2005, 04:15 AM   #4
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for first question; I'm trying copy, between ramdisk to ramdisk, but my /hda is using udma5
for second question; filesystem is XFS.
Old 05-24-2005, 04:18 AM   #5
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and, FTP copy results; 107 mbit for writing Linux ,225 mbit for reading from Linux ,


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