[Bug 283211] New: start only those resources which are necessary

[Stefan Majewsky]

https://bugs.kde.org/show_bug.cgi?id=283211

           Summary: start only those resources which are necessary
           Product: Akonadi
           Version: unspecified
          Platform: Unlisted Binaries
        OS/Version: Linux
            Status: NEW
          Severity: wishlist
          Priority: NOR
         Component: server
        AssignedTo: kdepim-bugs at kde.org
        ReportedBy: majewsky at gmx.net


Version:           unspecified (using KDE 4.7.1) 
OS:                Linux

I don't use Akonadi that often. The only application which really uses it at
the moment is KMail, but that's only one of two computers. Still, when I log
in, the Akonadi server is started because the calendar applet in the clock
applet wants to read my calendar. (I know that this can be deactivated, but I'm
talking about the default behavior. And of course it's sane to expose this
feature by default.)

The situation is: One application wants to read one specific kind of data
(calendar events), and Akonadi launches each and every resource within reach.
That's a whopping 23 processes on this machine, translating into a whole 100 MB
of used memory. A big part of this is the POP3 resources and the maildir
resource, so if I don't launch KMail, too, big parts of these resources are
down the drain for no good reason.

As you see, both the startup time and combined memory consumption of
Akonadi-enabled applications and (through the clock applet) the workspace as a
whole can be improved by letting the akonadiserver start only these resources
which are relevant for the data to be requested.

I do not know whether such an extension to the Akonadi protocol is possible or
feasible. From the outsider's view, it should suffice if both applications and
resources could advertise the type of content they're dealing with. I really
hope it's simple as that.

Reproducible: Didn't try



Expected Results:

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