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diff --git a/doc/tips/howto_avoid_flooding_aggregators.mdwn b/doc/tips/howto_avoid_flooding_aggregators.mdwn new file mode 100644 index 000000000..e45b96689 --- /dev/null +++ b/doc/tips/howto_avoid_flooding_aggregators.mdwn @@ -0,0 +1,28 @@ +If you have a [[blog]] that is aggregated, either on a site like Planet +Debian, or just through user subscriptions, one common problem is that +changes to the guids of items in the blog can “flood” the aggregator, +causing all recent blog entries to be posted to the top of it. + +This can happen in a lot of situations: + +* Perhaps you’ve just switched to ikiwiki from some other blog engine and + imported your data. +* Perhaps you’ve turned on the `usedirs` setting, which changes all the + urls in your wiki. Even if you set up + [[redirections|redirections_for_usedirs]] for the old urls, you still face + the issue of flooding aggregators. +* Perhaps you’ve just moved stuff around in your wiki. + +To avoid annoying readers in these situations, it’s a good idea to remove +any existing items from your blog’s news feed. That way only new items will +show up in the aggregator. The best way to do this is to add a `feedpages` +parameter to the `inline` directive for your blog, with a condition such as: + + feedpages=created_after(blog/posts/old_post) + +Where “old_post” is the name of the last post you made to the blog before +making the change. This will limit the feed to only newer posts, while still +displaying the old posts in the blog page. + +Alternatively, you can add the [[plugins/meta]] guid directives to pages, +to force the old url to be used. |