A collection of Splunk recipes for Heroku logs. Instructions for setting up Splunk Storm with Heroku can be found here. For the vast majority of these recipes you'll need to have enabled the Heroku labs feature, log-runtime-metrics, for your application.
For years, people have been using jemalloc with ruby. There were various benchmarks and discussions. Legend had it that Jemalloc 5 didn't work as well as Jemalloc 3.
Then, one day, hope appeared on the horizon. @wjordan offered a config for Jemalloc 5.
FROM ruby:3.1.2-bullseye
RUN apt-get update ; \