Re: chatty akonadi apps

On Saturday, 2014-11-08, 11:33:31, René J.V. Bertin wrote:
> Hello,
> 
> As I just mentioned in another message, I'm using Kontact for my email
> needs, also on a slow netbook. It works well enough as long as I don't have
> to get out of some kind of deadlock, but I notice that the various akonadi
> applications run in the background are very chatty. That cannot but slow
> down an already slow machine so I wonder if there's a way to make all those
> resources shut up at least about each and every successful operation?
> 
> Debug output is already off via kdebugdialog, so AFAIK I should NOT get all
> that output according to KDE debug output guidelines.

An application that has all its debug output turned off (its own and that of 
the libraries/subsystems it uses) should not log/write anything other than 
maybe warnings and errors [1].

Application developers sometimes use non KDE logging, e.g. qDebug() statments, 
which are unaffected by the debug settings.

This can be handy during development, e.g. a developer can also turn off 
anything else and only see this expectional output.
But the general idea is to remove it from production code or to convert it to 
proper kDebug().

If you are still seeing output such as that you could report it as an issue 
with the software.

Having that said, porting to Qt5 should improve that situation at some point 
as well, since it now also has a logging framework capable of being configured 
and developers are urged to switched to that.

Cheers,
Kevin

[1] when I restart Akonadi through the shell in a Konsole window I currently 
almost only see warning and errors being logged, the only debug type messages 
seem to come from search related components and I am not sure I turned their 
logging of yet.

-- 
Kevin Krammer, KDE developer, xdg-utils developer
KDE user support, developer mentoring

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