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| author | Patricio Cano <suprnova32@gmail.com> | 2016-11-07 15:44:55 -0600 |
|---|---|---|
| committer | Patricio Cano <suprnova32@gmail.com> | 2016-11-10 11:38:11 -0600 |
| commit | 1d3ada80ad6cb9a4927512fdf4018907bf3098a6 (patch) | |
| tree | 10f8506d5b4037028d2caf22b26c4ee96e91610e | |
| parent | b95216aabadb336e4ed8cdc01f69e873f47f10d0 (diff) | |
| download | gitlab-ce-1d3ada80ad6cb9a4927512fdf4018907bf3098a6.tar.gz | |
Added documentation and CHANGELOG item.
| -rw-r--r-- | changelogs/unreleased/sidekiq-job-throttling.yml | 4 | ||||
| -rw-r--r-- | doc/administration/operations.md | 1 | ||||
| -rw-r--r-- | doc/administration/operations/img/sidekiq_job_throttling.png | bin | 0 -> 114784 bytes | |||
| -rw-r--r-- | doc/administration/operations/sidekiq_job_throttling.md | 32 |
4 files changed, 37 insertions, 0 deletions
diff --git a/changelogs/unreleased/sidekiq-job-throttling.yml b/changelogs/unreleased/sidekiq-job-throttling.yml new file mode 100644 index 00000000000..1f3aad7ae96 --- /dev/null +++ b/changelogs/unreleased/sidekiq-job-throttling.yml @@ -0,0 +1,4 @@ +--- +title: Added ability to throttle Sidekiq Jobs +merge_request: 7292 +author: Patricio Cano diff --git a/doc/administration/operations.md b/doc/administration/operations.md index 4b582d16b64..0daceb98d99 100644 --- a/doc/administration/operations.md +++ b/doc/administration/operations.md @@ -1,6 +1,7 @@ # GitLab operations - [Sidekiq MemoryKiller](operations/sidekiq_memory_killer.md) +- [Sidekiq Job throttling](operations/sidekiq_job_throttling.md) - [Cleaning up Redis sessions](operations/cleaning_up_redis_sessions.md) - [Understanding Unicorn and unicorn-worker-killer](operations/unicorn.md) - [Moving repositories to a new location](operations/moving_repositories.md) diff --git a/doc/administration/operations/img/sidekiq_job_throttling.png b/doc/administration/operations/img/sidekiq_job_throttling.png Binary files differnew file mode 100644 index 00000000000..7f29a4d3c46 --- /dev/null +++ b/doc/administration/operations/img/sidekiq_job_throttling.png diff --git a/doc/administration/operations/sidekiq_job_throttling.md b/doc/administration/operations/sidekiq_job_throttling.md new file mode 100644 index 00000000000..33cedee7ebd --- /dev/null +++ b/doc/administration/operations/sidekiq_job_throttling.md @@ -0,0 +1,32 @@ +# Sidekiq Job throttling + +> Note: Introduced with GitLab 8.14 + +When your GitLab installation needs to handle tens of thousands of background +jobs, it can be convenient to prioritize queues that need to be executed +immediately, e.g. user initiated actions like merging a Merge Request. + +In order to accomplish this, you can limit the amount of workers that certain +slow running queues get can have available. This is what we call Sidekiq Job +Throttling. Depending on your infrastructure, you might have different slow +running queues, which is why you can choose which queues to throttle and by +how much you want to throttle them. + +These settings are available in the Application Settings of your GitLab +installation. + + + +The throttle factor determines the maximum number of workers a queue can run on. +This value gets multiplied by `:concurrency` value set in the Sidekiq settings +and rounded up to the closest full integer. + +So, for example, you set the `:concurrency` to 25 and the `Throttling factor` to +0.1, the maximum workers assigned to the selected queues would be 3. + +``` +limit = (factor * Sidekiq.options[:concurrency]).ceil +``` + +After enabling the job throttling, you will need to restart your GitLab +instance, in order for the changes to take effect.
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