[Kde-pim] Review Request: Add indexing throttling and fixed endless indexing problems

[Will Stephenson]

On Monday 20 Feb 2012 11:44:56 Christian Mollekopf wrote:
> > I get a lot of these errors now though: "nepomukservicestub(24734)"
> > Soprano: "Invalid argument (1)":
> > "http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#messageHeaderh
> > as a max cardinality of 1. Provided 2 values -
> > <nepomuk:/res/dfc71807-249b-47e4-91c1-90e3bd940f4d>,
> > <nepomuk:/res/93266175- f423-481b-a371-2b6ed28c5dbb>. Existing - "
> >
> > 
> >
> > This seems to be caused by emails with more than one extra header we
> > index (such as List-Id), and thus triggers on basically everything in
> > my mailinglist folders. Affected emails are skipped and re-indexed at
> > an agent restart (which of course fails again). Is nmo:messageHeader
> > the right property for these headers, and if yes, why does it have
> > cardinality one?
> I'm running into those too, I'll have a look at it. This might be related to
> a  bug in the merger (will have to check again). I reduced the batch size
> to 1, in order to minimize this problem. Once that is working we probably
> want to increase the size again for performance reasons, which will of
> course affect the system load again (nepomuk will i.e. get 100 items at a
> time instead of just one.)

I'm seeing this with my vanilla 4.8 build too.  A few per second at least 
which I guess is everything being indexed.  Notice that each time one of the 
values is an odd string, instead of a valid resource URL though:
"
[/space/kde/installs/48/bin/nepomukservicestub] 
"/home/space/kde/installs/48/bin/nepomukservicestub(4541)" Soprano: "Invalid 
argument (1)": 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#messageHeader has a 
max cardinality of 1. Provided 2 values - _:eap, 
<nepomuk:/res/16a5f4c4-80bb-4822-88db-1b0fb5e4f6de>. Existing - "
[/space/kde/installs/48/bin/nepomukservicestub] 
"/home/space/kde/installs/48/bin/nepomukservicestub(4541)" Soprano: "Invalid 
argument (1)": 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#messageHeader has a 
max cardinality of 1. Provided 2 values - _:eap, 
<nepomuk:/res/16a5f4c4-80bb-4822-88db-1b0fb5e4f6de>. Existing - "
[/space/kde/installs/48/bin/nepomukservicestub] 
"/home/space/kde/installs/48/bin/nepomukservicestub(4541)" Soprano: "Invalid 
argument (1)": 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#messageHeader has a 
max cardinality of 1. Provided 2 values - 
<nepomuk:/res/16a5f4c4-80bb-4822-88db-1b0fb5e4f6de>, _:oap. Existing - "
[/space/kde/installs/48/bin/nepomukservicestub] 
"/home/space/kde/installs/48/bin/nepomukservicestub(4541)" Soprano: "Invalid 
argument (1)": 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#messageHeader has a 
max cardinality of 1. Provided 2 values - 
<nepomuk:/res/16a5f4c4-80bb-4822-88db-1b0fb5e4f6de>, _:oap. Existing - "
[/space/kde/installs/48/bin/nepomukservicestub] 
"/home/space/kde/installs/48/bin/nepomukservicestub(4541)" Soprano: "Invalid 
argument (1)": 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#messageHeader has a 
max cardinality of 1. Provided 2 values - 
<nepomuk:/res/16a5f4c4-80bb-4822-88db-1b0fb5e4f6de>, _:yap. Existing - "
[/space/kde/installs/48/bin/nepomukservicestub] 
"/home/space/kde/installs/48/bin/nepomukservicestub(4541)" Soprano: "Invalid 
argument (1)": 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#messageHeader has a 
max cardinality of 1. Provided 2 values - 
<nepomuk:/res/16a5f4c4-80bb-4822-88db-1b0fb5e4f6de>, _:yap. Existing - "
[/space/kde/installs/48/bin/nepomukservicestub] 
"/home/space/kde/installs/48/bin/nepomukservicestub(4541)" Soprano: "Invalid 
argument (1)": 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#messageHeader has a 
max cardinality of 1. Provided 2 values - _:ibp, 
<nepomuk:/res/16a5f4c4-80bb-4822-88db-1b0fb5e4f6de>. Existing - "
[/space/kde/installs/48/bin/nepomukservicestub] 
"/home/space/kde/installs/48/bin/nepomukservicestub(4541)" Soprano: "Invalid 
argument (1)": 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#messageHeader has a 
max cardinality of 1. Provided 2 values - _:ibp, 
<nepomuk:/res/16a5f4c4-80bb-4822-88db-1b0fb5e4f6de>. Existing - "
[/space/kde/installs/48/bin/nepomukservicestub] 
"/home/space/kde/installs/48/bin/nepomukservicestub(4541)" Soprano: "Invalid 
argument (1)": 
"http://www.semanticdesktop.org/ontologies/2007/03/22/nmo#messageHeader has a 
max cardinality of 1. Provided 2 values - 
<nepomuk:/res/16a5f4c4-80bb-4822-88db-1b0fb5e4f6de>, _:sbp. Existing - "
"

Will
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