Forum several fragmed tables do not support optimize
 

database.searchcore is 1451% fragmented.
forum.searchcore optimize note Table does not support optimize, doing recreate + analyze instead
forum.searchcore optimize status OK
database.searchgroup is 487% fragmented.
forum.searchgroup optimize note Table does not support optimize, doing recreate + analyze instead
forum.searchgroup optimize status OK
database.searchlog is 874% fragmented.
forum.searchlog optimize note Table does not support optimize, doing recreate + analyze instead
forum.searchlog optimize status OK
database.tag is 140800% fragmented.
forum.tag optimize note Table does not support optimize, doing recreate + analyze instead
forum.tag optimize status OK
database.tagcontent is 140800% fragmented.
forum.tagcontent optimize note Table does not support optimize, doing recreate + analyze instead
forum.tagcontent optimize status OK


Is this normal? Otherwise how to proceed with that?