High IOWAIT

General support for problems installing or using Deluge
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Kurogane

High IOWAIT

Post by Kurogane »

I've a problem with iowait i'm getting around 30-50% iowait and deluge is the causing.

How i can determinate why i'm getting high load

Without deluge

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# dd if=/dev/zero of=test bs=64k count=16k conv=fdatasync
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 17.1716 s, 62.5 MB/s
Running deluge

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top - 23:56:24 up 1 day,  8:43,  1 user,  load average: 1.64, 1.10, 0.99
Tasks:  22 total,   1 running,  21 sleeping,   0 stopped,   0 zombie
%Cpu(s): 15.7 us, 36.5 sy,  0.0 ni,  0.7 id, 36.9 wa,  0.0 hi,  0.0 si, 10.2 st
KiB Mem:    524288 total,   524152 used,      136 free,        0 buffers
KiB Swap:   524288 total,    47500 used,   476788 free.   485036 cached Mem

  PID USER      PR  NI    VIRT    RES    SHR S %CPU %MEM     TIME+ COMMAND
23790 deluge  20   0   86492  23076   4088 S 50.4  4.4   7:09.48 deluged
 4293 deluge  20   0   47180   8136   2300 S  3.3  1.6  21:59.04 deluge-web
    1 root      20   0    4408    668    664 S  0.0  0.1   0:01.51 init
    2 root      20   0       0      0      0 S  0.0  0.0   0:00.00 kthreadd/100
    3 root      20   0       0      0      0 S  0.0  0.0   0:00.00 khelper/100

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# iotop
Total DISK READ:       3.96 M/s | Total DISK WRITE:       0.00 B/s
  TID  PRIO  USER     DISK READ  DISK WRITE  SWAPIN     IO>    COMMAND
195047 be/4 1000        3.95 M/s    0.00 B/s  0.00 % 61.63 % python /usr/bin/deluged --port=58846 --config=/home/deluge/.config/deluge
Look at this,
without deluge running 62.5 MB/s
deluge runinng 3.96 M/s and IOTWAIT 61.63 % if i'm capable to run 60 MB/s?

I'm only running 25 active torrents.

Thanks
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