[dokuwiki] Re: Recent changes broken

Ben Coburn wrote:

On Oct 22, 2006, at 3:19 AM, Anika Henke wrote:

The importoldchangelog plugin runs once to automatically import the old changelog. The "./data/meta/_dokuwiki.changes" file is the recent changes cache created during the import. While importing, only changes newer than "recent_days" will be added to this cache. This is just done to populate the recent changes cache with some data before any new edits have been made. The importoldchangelog plugin is **not intended to run more than once**, this is why there is no UI to make rerunning the plugin simple.

Is there anything I am missing?


It is valid for the recent changes cache to be empty after the import. New changes will be added to the recent changes cache as they are made. The permanent changelogs are stored as one file per wiki page, such as "./data/meta/start.changes". The "do=check" messages will show if the changelog has been correctly imported.

Could someone please explain "recent_days" better? (Preferably at http://wiki.splitbrain.org/wiki:changelog.) What exactly is it configuring? The oldest age of the recent changes or the old revisions as well? Or only the oldest age of the recent changes to be *imported*?


The recent changes cache ("./data/meta/_dokuwiki.changes") stores the changes that are used to generate the recent changes and RSS feed. To keep the cache from expanding forever, it is trimmed daily. While trimming, changes newer than "recent_days" will be retained. If there are no changes newer than "recent_days" the trimmer will attempt to retain $conf['recent'] changelog lines to avoid emptying the recent changes cache.


Okay, I understood most of it. ;-)

The importoldchangelog plugin initially imports to each page's *.changes and to _dokuwiki.changes (the size of the latter depending on recent_days), which are after that filled by normal procedures (editing, etc.), right?

While testing I see that decreasing recent_days shows its effect only after editing a page. (That's the one thing I didn't try. x-) ) But *increasing* recent_days seems not to be possible! You will have to wait until it gets populated during the normal editing process to show the effect ...
So, doesn't that mean that I *have* to re-run the importoldchangelog plugin, if I have a slow wiki? There is no other way to fill the recent changes cache with older data, is there?
Okay, another way would be to *first* think about it and increase recent_days *before* the upgrade. But human beings are not good at thinking first ... ;-)


Anika
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