I recently switched from myIsam to InnoDB for my forums with a 1GB+ database, because I was experiencing lots of table locks which where slowing the forums down. The general performance of the board is much better now, but since InnoDB isn't supporting full text search, the search function is much slower now. I already found out about Sphinx, but that is really hard to implement, I even tried to hire a programmer to adapt my board for Sphinx, but couldn't find anyone via the usual freelancer platforms. So my alternative idea is now to do some kind of a myIsam shadow table witha fulltext index of the InnoDB posts table, so that only for search queries the shadow table is being processed. So what is your suggested way to do this?