RVM install Ruby with jemalloc
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HowTo
Ruby
Last update
2023-10-04
2023
10-04
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apt install libjemalloc-dev

# install
rvm install ruby-3.2.2 -C --with-jemalloc

# test 1
MALLOC_CONF=stats_print:true rvm 3.2.2 do ruby -e "exit"

# test 2
ldd `which ruby` | grep jemalloc

Source: stackoverflow.com