• Stars
    star
    116
  • Rank 303,894 (Top 6 %)
  • Language
    Shell
  • License
    BSD 3-Clause "New...
  • Created about 11 years ago
  • Updated over 5 years ago

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Repository Details

Heroku buildpack with jemalloc

heroku-buildpack-jemalloc

I am a Heroku buildpack that installs jemalloc into a dyno slug.

Unmaintained πŸ‘‹

This Heroku buildpack is no longer actively maintained. It should continue to work but won't see changes as updates to Heroku or jemalloc are released.

Consider switching to gaffneyc/heroku-buildpack-jemalloc if you run into problems or want to try a newer release of jemalloc.

Using

To use jemalloc with your app, either prefix commands with jemalloc.sh <cmd> or set LD_PRELOAD=/app/vendor/jemalloc/lib/libjemalloc.so.1 in your environment (it will then apply to all commands run).

Example, in your Procfile:

web: jemalloc.sh bundle exec puma -C config/puma.rb

Setting LD_PRELOAD can sometimes mess with the building of an app - if you're seeing errors during slug compilation, try removing LD_PRELOAD and just using jemalloc.sh.

Composed

Heroku now supports using multiple buildpacks for an app.

heroku buildpacks:add --index 1 https://github.com/mojodna/heroku-buildpack-jemalloc.git
git push heroku master

If you're not seeing great results from Jemalloc 4.x, you can try Jemalloc 3.6 instead:

heroku buildpacks:add --index 1 https://github.com/mojodna/heroku-buildpack-jemalloc.git#v3.6.0
git push heroku master

Note that you can also use this syntax to lock your buildpack to a specific release.

Building

This uses Docker to build against Heroku stack-image-like images.

make

Artifacts will be dropped in dist/. See Dockerfiles for build options.

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