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List:       kde-devel
Subject:    Re: Access indexing
From:       Stephan Menzel <stephan.menzel () gmail ! com>
Date:       2012-02-25 9:14:19
Message-ID: CAEQ568tD4AyN54EXBEUzkmFYueO0LvGUhzh4h-HBg+CBJ5sqEg () mail ! gmail ! com
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On Sat, Feb 25, 2012 at 12:44 AM, Ian Wadham <iandw.au@gmail.com> wrote:
> Yes I do (have a Macbook).  The search function is a small magnifying
> glass icon at the top right of the screen (equivalent to a "systray" item).
> It drops down to single line-edit type field with the label "Spotlight".

Yeah, that's the one. I don't have one myself but I recently had a
chance to work on one and they sure are terriffic. That spotlight
field is simply something you have to learn to rely on.

> Within a day or two of acquiring the Macbook I tried it out and found
> that it had already indexed all my old KDE emails.  No fuss, no bother,
> no using up the whole of one core continuously.  It just gets on with the
> job.  Like a Google search.  I do not use it a lot, but it is nice to have.

 It takes some time and change in behaviour but if you really give it
a shot it's a good thing indeed. But as you said, most people really
try that only once. If it doesn't do as expected the first times, they
will simply deactivate it and stick to the old ways. Semantic Desktop
nil, dusty old ways score.  So I think accessibility and simplicity is
key here and has to be done right.

> I am surprised too that Nepomuk, Strigi et al. require so much CPU
> power and space.  This is not at all what was claimed at Akademy
> 2007, akademy2007.kde.org/conference/slides/strigi.pdf  See the
> slide entitled "Speed Comparison".  What went wrong?

Well, I have to correct my initial rant about that a little. There was
one problem here I could fix. During the upgrade from 4.7 to 4.8 there
are some temporary files left in /tmp. When you start 4.8 and those
files are still there, it causes problems in virtuoso-t. So I stopped
KDE, deleted everything in /tmp and restarted KDE. This caused some
initial reindexing and resource demand but it actually stopped after a
while and isn't present all the time anymore.
Most of the time though it still is

 top - 10:11:52 up 16:34,  4 users,  load average: 0,67, 0,69, 1,02
Tasks: 130 total,   2 running, 128 sleeping,   0 stopped,   0 zombie
%Cpu(s):  3,4 us,  8,3 sy, 61,4 ni, 26,1 id,  0,9 wa,  0,0 hi,  0,0 si,  0,0 st
Kb Mem:   1919532 total,  1889468 used,    30064 free,   114448 buffers
Kb Swap:  5927948 total,    93216 used,  5834732 free,   457912 cached

  PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM    TIME+  COMMAND
31309 sm        39  19  295m 209m 5020 S 142,5 11,2  37:53.38
virtuoso-t
 2910 sm        20   0  912m 334m  17m S   4,7 17,8   8:21.21 firefox
 3002 sm        20   0  663m  69m 6836 S   1,7  3,7  10:16.31
plugin-containe
 2404 root      20   0  172m  29m  16m R   0,7  1,6   3:13.28 X
31223 sm        20   0 1782m 106m  39m S   0,7  5,7   0:37.76 kontact
 2656 sm        20   0  555m  22m  10m S   0,3  1,2   1:50.51 kwin

But anyway, my bottom line is, that just needs to be more accessable
and maybe no-one will complain about such things anymore because
there's plenty gain for the pain.

Cheers,
Stephan

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