On: Why it's important to optimise the tricky parts of...

[rurounijones]

I use MRI ruby locally, JRuby on production servers.

I have had no real issues with it to be honest. Never any incompatibilities. Some slight care needed when picking gems to make sure no cext but it is rare that I find one.

I use JRuby on the CI box to make sure nothing untowards goes to prod.

[pmontra → rurounijones]

Thanks, this is the setup I suggested to a customer that wanted to move away from JRuby because those issues on the dev systems.