I think no. I have to do that? Now I'm trying with a smaller corpus file to test... maybe the problem is due to only have 4gb of RAM? In any case, I already have ordered 16Gb RAM to work with okboard.

@Ijo & eber42 How many RAM do you have in your pc's to process the corpora file? And how large is your corpus.txt file before compressing with bz2? Because mine is almost 3GB...