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Diffstat (limited to 'doc/administration/operations/puma.md')
| -rw-r--r-- | doc/administration/operations/puma.md | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/doc/administration/operations/puma.md b/doc/administration/operations/puma.md index 6f252a7d76e..af559cf00e9 100644 --- a/doc/administration/operations/puma.md +++ b/doc/administration/operations/puma.md @@ -3,7 +3,9 @@ ## Puma As of GitLab 12.9, [Puma](https://github.com/puma/puma) has replaced [Unicorn](https://yhbt.net/unicorn/). -as the default web server. +as the default web server. Starting with 13.0, both all-in-one package based +installations as well as Helm chart based installations will run Puma instead of +Unicorn unless explicitly specified not to. ## Why switch to Puma? @@ -14,6 +16,12 @@ Most Rails applications requests normally include a proportion of I/O wait time. During I/O wait time MRI Ruby will release the GVL (Global VM Lock) to other threads. Multi-threaded Puma can therefore still serve more requests than a single process. +## Configuring Puma to replace Unicorn + +If you are currently running Unicorn and would like to switch to Puma, server configuration +will _not_ carry over automatically. For details on matching Unicorn configuration settings with +the Puma equivalent, where applicable, see [Converting Unicorn settings to Puma](https://docs.gitlab.com/omnibus/settings/puma.html#converting-unicorn-settings-to-puma). + ## Performance caveat when using Puma with Rugged For deployments where NFS is used to store Git repository, we allow GitLab to use |