[Tilesathome] changetracker / flohoff-ct prio3 requests

[spaetz]

On Sat, Sep 06, 2008 at 08:37:06PM +0200, Florian Lohoff wrote:
> For this i wrote some lines of perl to download the minutely diffs. Then
> i store some informations on disk to debounce the changes e.g. users
> making successive changes to the very same tile in multiple uploads.
> This should help not to requeue the same query over and over again.
> 
> So currently i debounce 15 minutes. So when i see a change i store the
> tile to rerender and when it did not receive further changes within the
> next 15 minute i queue the tile are pri3.
> 
> I used to queue with "flohoff-changetracker" but i changed it to mention
> the number of changes i have seen and the userid of the last changing
> user. Its just a gimmick and not really needed.
> 
> It'll take an hour or two to get into a mixed state as there is some
> prio2 and some prio3 queued up.

If you want to request all changed tiles in the best possible manner, I can easily switch off the changed tiles requester and let you request the stuff based on the diff files.

Let me know