FreeBSD Port: ktorrent-3.1.6_1

[Jonathan]

Does anyone have any ideas of what to look into?  I'm about to decide
Wine+uTorrent would be an easier route than trying to get ktorrent to
work decently.  I've tried ktrace again but all I seem to find in it are
reads, and a ~1 second ktrace is >4MB.

Jonathan

Jonathan wrote:
> Nikolay Tychina wrote:
>> Hello,
>>
>> i installed ktorrent3 and it seems to be very slow while checking pieces.
>> (~2mb per second)
>> (Deluge do it much more faster, i didn't try any other clients though)
>> Do you have the same problem?
> 
> Same issue here.
> 
> I get ~4MB/s or so.
> I started digging around and found that according to gstat (output at
> end) ktorrent is writing 50-60MB/s to ad18, which is my boot drive,
> sustained.  Most of the other drives in the system are completely idle
> and belong to the ZFS pool the torrent data is actually on.
> 
> I've checked using fstat and lsof and nothing leaps out at me.  I also
> watched disk and swap space usage during the check and see nothing
> changing despite the apparent massive write load.  I even tried doing a
> ktrace + kdump and searching for "write" but didn't find anything there
> either.  I don't claim to be any expert with any of those tools though.
> 
> Does anyone have any ideas on what to look at next?
> 
> Thanks,
> Jonathan
> 
> dT: 1.035s  w: 1.000s
>  L(q)  ops/s    r/s   kBps   ms/r    w/s   kBps   ms/w   %busy Name
>     0      0      0      0    0.0      0      0    0.0    0.0| ad8
>     0      0      0      0    0.0      0      0    0.0    0.0| ad8s1
>     0     34      0      0    0.0     32     43    0.5    5.1| ad16
>     0      0      0      0    0.0      0      0    0.0    0.0| ad8s1a
>     0      0      0      0    0.0      0      0    0.0    0.0| ad8s1c
>     0      0      0      0    0.0      0      0    0.0    0.0| acd0
>     1   3684      0      0    0.0   3684  58921    0.2   81.8| ad18
>     1   3684      0      0    0.0   3684  58921    0.2   83.2| ad18s1
>     0     36      0      0    0.0     34     39    2.1    9.2| ad10
>     0     29      0      0    0.0     27     33    1.1    7.9| ad12
>     0     34      0      0    0.0     32     43    0.4    5.5| ad14
>     1   3684      0      0    0.0   3684  58921    0.2   85.8| ad18s1a
>     0      0      0      0    0.0      0      0    0.0    0.0| ad18s1b
>     0      0      0      0    0.0      0      0    0.0    0.0| ad18s1c
>     0     34      0      0    0.0     33     83    3.0    6.0| da0
>     0      0      0      0    0.0      0      0    0.0    0.0| ad20
>     0     37      0      0    0.0     36     78    3.4    6.9| da1
>     0     36      0      0    0.0     35     83    2.3    5.9| da2
>     0     41      0      0    0.0     40     69    3.4    7.6| da3