What can I do to prevent write-write conflicts on a wiki-style website?

Question

On a wiki-style website, what can I do to prevent or mitigate write-write conflicts while still allowing the site to run quickly and keeping the site easy to use?

The pr

Answer 1

Remember the version number (or ID) of the last change. Then read the entry before writing it and compare if this version is still the same.

In case of a conflict inform the user who was trying to write the entry which was changed in the meantime. Support him with a diff.

Most wikis do it this way. MediaWiki, Usemod, etc.