On Mon, Jul 26, 2010 at 3:07 PM, Jim Hu <[email protected]> wrote:
> We would like to both cut down on the space used by the revisions table, and 
> change the way we count user participation by compressing revision histories 
> when users do multiple consecutive saves within a single short time.
>
> In maintenance, I see that there are scripts to just delete specific 
> revisions by id from the revisions table.  So, we're thinking that we would 
> run a script to delete revisions based on some criteria, and also make an 
> extension that hooks at ArticleSave
> or ArticleSaveComplete to delete prior revisions by the same user if they are 
> within a specified time period.
>
> Before trying this, I thought I'd ask to see if
> - anyone sees potential problems.
> - its been done already
>

http://www.mediawiki.org/wiki/Manual:CompressOld.php
http://www.mediawiki.org/wiki/Manual:$wgCompressRevisions

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