How to check ruby-2.6.3 is using jemalloc ? I installed ruby-2.6.3 as $ rvm install 2.6.3 -C --with-jemalloc [duplicate]

来源：https://stackoverflow.com/questions/57303214/how-to-check-ruby-2-6-3-is-using-jemalloc-i-installed-ruby-2-6-3-as-rvm-inst