Ask HN: How much Chinese is required to read Tech Documentation?

There's been an explosion of Chinese engineers entering in the last few years - more noticeably for me due to Vuejs. They provide Chinese documentations and I'm also seeing many third party github components being created only written in chinese.

A long assumption but I'm thinking it might be beneficial for me to learn some chinese to be able to take advantage of projects deriving from the Chinese community.

Anyone know how much Chinese I'll need to learn to be able to read tech documentations? 1 year? 5 years?