stage: Systems
group: Distribution
info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/product/ux/technical-writing/#assignments

Performing operations in GitLab (FREE SELF)

Keep your GitLab instance up and running smoothly.

• Rake tasks: Tasks for common administration and operational processes such as cleaning up unneeded items from GitLab instance, integrity checks, and more.
• Moving repositories: Moving all repositories managed by GitLab to another file system or another server.
• Sidekiq MemoryKiller: Configure Sidekiq MemoryKiller to restart Sidekiq.
• Multiple Sidekiq processes: Configure multiple Sidekiq processes to ensure certain queues always have dedicated workers, no matter the number of jobs that must be processed. (FREE SELF)
• Puma: Understand Puma and puma-worker-killer.
• gitlab-sshd: Use GitLab SSH daemon instead of OpenSSH.
• Speed up SSH operations by Authorizing SSH users via a fast, indexed lookup to the GitLab database, and/or by doing away with user SSH keys stored on GitLab entirely in favor of SSH certificates.
• File System Performance Benchmarking: File system performance can have a big impact on GitLab performance, especially for actions that read or write Git repositories. This information helps benchmark file system performance against known good and bad real-world systems.
• The Rails Console: Provides a way to interact with your GitLab instance from the command line. Used for troubleshooting a problem or retrieving some data that can only be done through direct access to GitLab.
• ChatOps Scripts: The GitLab.com Infrastructure team uses this repository to house common ChatOps scripts they use to troubleshoot and maintain the production instance of GitLab.com. These scripts can be used by administrators of GitLab instances of all sizes.