Utf 8 or something else?

If i perform the search with Cyrillic letters
i’m getting this params.

--- !map:HashWithIndifferentAccess
<b>search: !binary |
authenticity_token: ada7888510dacc744af93f6a5f3d058d942a5522
action: search
method: post
controller: jobs

else is ok.

Everything in my database (results from db are displayed properly) and
my text editor is set on utf8!
Help please!

where is $KCODE variable in rails?