Re: continuous stream of writes?

From: Michael Butler <imb_at_protected-networks.net>
Date: Tue, 1 Mar 2016 09:45:37 -0500
On 03/01/16 09:41, Eric van Gyzen wrote:
> On 03/01/2016 08:22, Michael Butler wrote:
>> On an otherwise idle machine, I now see a continuous stream of writes to
>> disk. I've only noted this over the last couple of weeks but this will
>> not be welcome behaviour on an SSD ..
>>
>> How do I find the source of these writes?
>>
>>
>> imb_at_toshi:/home/imb> iostat 10
>>        tty            ada0              cd0            pass0             cpu
>>  tin  tout  KB/t tps  MB/s   KB/t tps  MB/s   KB/t tps  MB/s  us ni sy in id
>>    0   992 58.53 229 13.10   0.00   0  0.00   0.37   0  0.00  13  2  7  1 78
>>    0    23 30.82  12  0.36   0.00   0  0.00   0.00   0  0.00   2  0  4  0 94
>>    0     8 31.38  12  0.37   0.00   0  0.00   0.00   0  0.00   0  0  4  0 96
>>    0     8 31.75  11  0.34   0.00   0  0.00   0.00   0  0.00   3  0  3  0 94
>>    0     8 31.82  11  0.35   0.00   0  0.00   0.00   0  0.00   1  0  3  0 96
>>    0     8 31.76  12  0.36   0.00   0  0.00   0.00   0  0.00   0  0  3  0 96
>>    0     8 31.75  11  0.35   0.00   0  0.00   0.00   0  0.00   1  0  4  0 95
>>    0     8 31.55  12  0.38   0.00   0  0.00   0.00   0  0.00   1  0  3  0 96
>>
> 
> The I/O mode of "top" might be useful:
> 
>     top -m io

Well that's different .. KDE konsole .. why on earth .. ?

last pid: 54891;  load averages:  0.32,  0.45,  0.48
                                                                      up
0+17:32:51  09:43:58
102 processes: 1 running, 101 sleeping
CPU:  1.4% user,  0.0% nice,  4.1% system,  0.0% interrupt, 94.5% idle
Mem: 463M Active, 1599M Inact, 708M Wired, 255M Buf, 196M Free
Swap: 4096M Total, 500M Used, 3596M Free, 12% Inuse

  PID USERNAME        VCSW  IVCSW   READ  WRITE  FAULT  TOTAL PERCENT
COMMAND
 1395 imb                4      1      0      0      0      0   0.00%
gkrellm --sm-client-id 1038b38f3a6339000140789027600000013050011
 1498 imb              275     55      0      0      0      0   0.00%
/usr/local/bin/firefox
 1478 imb               33      7      0     22      0     22 100.00%
kdeinit4: kdeinit4: konsole (kdeinit4)
 1136 root              16      6      0      0      0      0   0.00%
/usr/local/bin/X -br -novtswitch -quiet :0 -nolisten tcp -auth
/var/run/xauth/A:0-xl3Taa (Xorg)
 1345 imb               35      5      0      0      0      0   0.00%
kwin -session 1038b38f3a6339000144659063000000424580056_1456780081_701192
5
Received on Tue Mar 01 2016 - 13:45:39 UTC

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