Thanks, these steps worked.

On Aug 3, 2:00 pm, "byron.shaheen" <[email protected]> wrote:
> Hi,
>
> High CPU usage is usually caused by a bloated sync database.  I'd
> suggest replacing it:
>
> * If you haven't done so lately, make a backup of your iCal calendars
> (iCal File menu, choose "Export...", then choose "iCal Archive...")
> * Quit out of all open programs
> * Make sure that nothing is syncing (Spanning Sync, .Mac, iSync)
> * Move this folder to the trash:
>
> ~/Library/Application Support/SyncServices (~ refers to your home
> directory)
>
> * Restart
> * Open iCal and give it a few minutes to write out the new database
>
> Also, the MDS processes are related to Spotlight.  Spotlight may be
> trying to index some of Spanning Sync's data files, causing
> unnecessary CPU usage after each sync. To prevent this, open the
> Spotlight pref pane and drag this folder to the list in the Privacy
> tab:
>
> ~/Library/Application Support/Spanning Sync
>
> Please let us know if that doesn't address the problem or you have
> other questions.
>
> Thanks,
>
> Byron
>
> ---
> Byron Shaheen
> [email protected]http://spanningsync.com
>
> On Aug 3, 12:49 am, J <[email protected]> wrote:
>
>
>
> > After the most recent update (3.1.1) my CPU utilization skyrocketed.
> > Whenever iCal i open, CPU utilization shoots up on one core to 80%
> > (iCalExtension) and other processes shoot up to 50% on the other core
> > (mds and mdworker).
>
> > I have to do a bunch of killalls to get the system back under
> > control.  But what makes it difficult is that the processes
> > continually spawn new processes.  So mdworker creates a new process
> > (and kills the old one) every 3-4 seconds.
>
> > Basically, iCal has become completely unusable.  Please fix this
> > issue.  I am running SpanningSync 3.1.1 on SnowLeopard.

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