Unfortunately no one can be told what fun_plug is - you have to see it for yourself.
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Jamierez
maybe you didn't create directory for torrents or didn't give enough permissions to this directory or didn't change in settings directory path for downloading torrents
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ozziegt wrote:
I'm still getting high CPU usage with 1.51, with just 3 torrents going. Is anyone else seeing this?
i dont know if its high cpu usage but it seems something is 'stopping' once in a while, when it happends a transmission-remote -l just pauses and give
no output, webgui doesnt work, then after a while its available again.
i have a 30mbit/30mbit connection so it might be harddisk is getting busy when some new torrents are added, the dns-323 are connected directly into
the 100mbit switch/router so it should'nt be a local lan bandwidth issue either.
I have just installed and tried transmission and i feel the upload rates are a bit low? anyone have any similar experience?, with 10-20 popular torrents
running and 30mbit uplink, total upload rate gets to 2-300kb/s and its alot of ups and downs, like from 300kb/s in 4 secs and down to 1kb/s then after 10 secs its upto 300kb/s and so on...
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1.51 is up and running . I've noticed the memory and CPU usage have improved. The CPU bug actually costs money, as the energy usage of the nas was 10W more as usual (when not downloading any torrents). I measure the energy usage of my NAS, 5-port switch and wireless internet router: 28 watt when the NAS is idle (and HD's spin down), 38 watt when the NAS is downloading torrents.
Thanks for the update Kylek!
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Hello,
I have just installed my first transmision 1.51 (no never older versions) and have CPU usage about 40%-48% downloading 4 and seeding 12 torrents and having 40KB/s down speed and 380KB/s up speed. I think this is too high comparing to MLDonkey which I have used before. Is it normal or is it some issue ?
Regards,
alpha
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Isildur wrote:
Jamierez
maybe you didn't create directory for torrents or didn't give enough permissions to this directory or didn't change in settings directory path for downloading torrents
Tried all 3 but no success
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Jamierez wrote:
Tried all 3 but no success
I just had the same issue. I added torrent and get this error. Then created folder and still got error. Then I deleted torrent and added again and everything went ok.
regards,
alpha
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For the people still seeing high CPU usage: please consider that the NAS is powered by a measly 500MHz CPU and has only 64MB RAM (part of which is actually reserved by the OS). It is not made for serving data (via BitTorrent) to many users. I advise limiting your number of torrents (especially downloading ones). I think 5 is a good limit, but YMMV.
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Jamierez wrote:
Hi,
I have installed Transmission (followed instructions at http://www.shadowandy.net/2009/01/trans … ns-323.htm) but when I add a torrent via the web interface, it fails saying "no such file or directory". Can anyone provide advice on where I am going wrong?
Thanks
By default, when using the transmission.sh start script, Transmission is running in the userspace of the user "nobody". You have to make sure that all files folders Transmission acesses must be owned by this user. This mainly goes for the config folder /mnt/HD_a2/.transmission-daemon, and the download folder as well.
The first is created by Transmission automatically when it doesn't exist, so for new users this shouldn't be a problem. But the download folder has to exist already, and must be accessible by the user "nobody".
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Hi,
Have you lower CPU usage by transmission ? Maybe you have RAM mod ?
I can say that MLDonkay was less CPU consuming application. I'll try to play with settings and limit peer count per torrent and limit torrent files itself as well.
Regards,
alpha
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I'm surprised about that, alpha. Back when I tried MLDonkey, it was a really memory hog and used lots and lots of CPU cycles. I then tried out some other torrent CLI app I don't remember. After that I discovered Transmission, and it uses by far the fewest resources of all of them.
And now, I don't have a RAM mod :)
64MB is all that's available.
Last edited by KyleK (2009-03-02 00:04:25)
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I've just setup transmission and it seems to be trucking along nicely.
I can see the limitation on CPU usage. Is there a list of optimized settings people are using? Is there a way to limit the number of downloads running at once? How about seeding until a certain ratio or time?
Also, how does this compare to the d-link firmware stuff? I used the firmware version and it seemed to be pretty alright. Does it still have the same CPU limitations?
Cheers
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KyleK wrote:
For the people still seeing high CPU usage: please consider that the NAS is powered by a measly 500MHz CPU and has only 64MB RAM (part of which is actually reserved by the OS). It is not made for serving data (via BitTorrent) to many users. I advise limiting your number of torrents (especially downloading ones). I think 5 is a good limit, but YMMV.
500Mhz is not "measly". Just a few years ago, people were running windows 2000 on 200-300mhz cpu's with only 64MB of ram.
From microsoft's website:
"Before you install the Windows 2000 Professional desktop operating system, make sure that your computer meets the following minimum system requirements:
* 133 MHz or more Pentium microprocessor (or equivalent). Windows 2000 Professional supports up to two processors on a single computer.
* 64 megabytes (MB) of RAM recommended minimum. 32 MB of RAM is the minimum supported. 4 gigabytes (GB) of RAM is the maximum. "
The DNS-323, doesn't even have a graphical environment, so it's not like it's wasting memory/cpu on that..
It's a powerful machine, it has the capabilities, it just needs decent software to run on it. (I'm not saying Transmission is not decent).
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Hi,
KyleK wrote:
I'm surprised about that, alpha. Back when I tried MLDonkey, it was a really memory hog and used lots and lots of CPU cycles. I then tried out some other torrent CLI app I don't remember. After that I discovered Transmission, and it uses by far the fewest resources of all of them.
And now, I don't have a RAM mod
64MB is all that's available.
The latest version I used was 3.0.0. It was really low CPU consuming, but it was big problems about ratio calculating with private torrents. Please tell me what CPU usage you have ? I've noticed that MLDonkey 3.0.0 maximum upload was 100 KB/s and with transmission I have 500 KB/s. So maybe this is the case.
Regards,
alpha
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Hi Kylek!
I download the new 1.51. and make a fresh install. (I change the harddrive so I make new ffp, etc).
Iit is works great with the old torrents but if I try to add a new torrents it stopped the download process stopped with message: Permission denied.
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Hi,
Cirip wrote:
Hi Kylek!
I download the new 1.51. and make a fresh install. (I change the harddrive so I make new ffp, etc).
Iit is works great with the old torrents but if I try to add a new torrents it stopped the download process stopped with message: Permission denied.
This issue was covered in the beginning of the thread. You need to create folder for new downloads and set appropriate permissions for it.
Regards,
alpha
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With 2-3 torrents running my CPU averages around 20%, with infrequent spikes to 45%. Download is as fast as the peers allow, up to 1.2MB/s, which is my line's limit. I haven't observed the CPU usage at those speeds, however. It might be higher because of the increased I/O operations.
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KyleK wrote:
With 2-3 torrents running my CPU averages around 20%, with infrequent spikes to 45%. Download is as fast as the peers allow, up to 1.2MB/s, which is my line's limit. I haven't observed the CPU usage at those speeds, however. It might be higher because of the increased I/O operations.
Then I think its normal in my case. 16 torrents (4 down, 12 up), speed ~50kB/s down and ~500kB/s up. Its normal I think.
Regards,
alpha
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ozziegt wrote:
I'm still getting high CPU usage with 1.51, with just 3 torrents going. Is anyone else seeing this?
how will i check if im also getting a %100 cpu usage? what command should i type? Thanks.
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Stroker wrote:
how will i check if im also getting a %100 cpu usage? what command should i type? Thanks.
'top -d <refresh speed in seconds>'
Regards,
alpha
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alpha wrote:
Stroker wrote:
how will i check if im also getting a %100 cpu usage? what command should i type? Thanks.
'top -d <refresh speed in seconds>'
Regards,
alpha
Thanks
seems like normal on my end. %15 on mine (if im reading it correctly). Transmission 1.51 w/ 25 seed and 3 download.
question, why is it that there are 3 transmission running? is this normal (below)?
PID PPID USER STAT VSZ %MEM %CPU COMMAND
1911 1910 nobody S 9368 15% 9% /ffp/bin/transmission-daemon -f -g /mnt/HD_a2/.transmission-daemon
1652 1 root S 476 1% 0% fancontrol
2067 2061 root R 1360 2% 0% top -d 10
1896 1 nobody S 9368 15% 0% /ffp/bin/transmission-daemon -f -g /mnt/HD_a2/.transmission-daemon
1910 1896 nobody S 9368 15% 0% /ffp/bin/transmission-daemon -f -g /mnt/HD_a2/.transmission-daemon
1949 1913 root S 5164 8% 0% sshd: root@notty
2044 1913 root S 508
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3 daemons is normal. Please write your Up/Down speeds.
Regards,
alpha
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^^ i dont have a fast connection but if you still wanna know my download is 200-240 KB/s and upload of 60-80 KB/s
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with 8 torrents downloading, no download limit,(30mbit line) total dl speed in transmission webui shows 3.6megabyte/s (?), cpu usage go between 25% -> 75% (top -d 3), after 5-10 secs i loose connection to transmission webui, when watching the bandwidth monitor in router, i see the graph goes from 2mbit-25mbit in waves, so no steady download stream, jumping up and down...
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I'd say that's normal. Remember, Transmission does have no form of caching (either for read or write operations), so for every packet sent and received the drive is accessed. The faster your connection is and the more torrents you have open, the more I/O operations are performed, which puts some form of strain on the device.
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I've encountered following during my experiments with Transmission:
As long as I stay with 50 peers per torrent limit my CPU usage is about 30% with around 20 torrents.
After I set 100 peer limit for one of torrents CPU rose to about 50-60%
Once I set 150 peers for that torrent - I've got constant 100% CPU usage.
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