*** This bug is a duplicate of bug 392204 ***
https://bugs.launchpad.net/bugs/392204
I maybe have the same problem on 10.04.1 LTS
When moving files from NTFS partition to other (on different drive), I got a
speed of 13747 bytes per second (13 KBps).
I see 50-90% CPU usage on one of the mount.ntfs processes, and uptime says:
15:46:09 up 2:28, 2 users, load average: 2.07, 2.06, 1.94
I have Pentium 4 HT 3GHz on the machine, so there should be plenty of
processing power.
r...@ksrv:~# top|grep mount
1198 root 20 0 5212 1680 340 R 26 0.7 14:56.43 mount.ntfs
3778 root 20 0 8268 4596 332 R 7 1.9 3:15.28 mount.ntfs
r...@ksrv:~# cat /etc/motd
Linux ksrv 2.6.32-24-generic-pae #43-Ubuntu SMP Thu Sep 16 15:30:27 UTC 2010
i686 GNU/Linux
Ubuntu 10.04.1 LTS
r...@ksrv:~# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping : 1
cpu MHz : 2992.845
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
apicid : 0
initial apicid : 0
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc pebs bts
pni dtes64 monitor ds_cpl cid cx16 xtpr
bogomips : 5985.69
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 4
model name : Intel(R) Pentium(R) 4 CPU 3.00GHz
stepping : 1
cpu MHz : 2992.845
cache size : 1024 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
apicid : 1
initial apicid : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 5
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm constant_tsc pebs bts
pni dtes64 monitor ds_cpl cid cx16 xtpr
bogomips : 5985.41
clflush size : 64
cache_alignment : 128
address sizes : 36 bits physical, 48 bits virtual
power management:
r...@ksrv:~# free
total used free shared buffers cached
Mem: 242068 238416 3652 0 134556 48004
-/+ buffers/cache: 55856 186212
Swap: 976888 10876 966012
On difference scenarios, I have seen 50 MB+ performance on the drives using
ntfs-3g.
It looks like it depends on the files, possibly file size, like said above.
--
ntfs-3g high cpu usage & slow write speed
https://bugs.launchpad.net/bugs/554764
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