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| author | Jan Provaznik <jprovaznik@gitlab.com> | 2019-05-29 15:27:44 +0300 |
|---|---|---|
| committer | Kamil Trzciński <ayufan@ayufan.eu> | 2019-05-29 15:27:44 +0300 |
| commit | a5adc6a024012f727ac32c440bb42f4634ae0605 (patch) | |
| tree | c02e44b595f6bdc67bc647234dfc4a19972aba6b /doc/administration/monitoring/prometheus | |
| parent | d017d2d93d6afbd597cbf6683fcd7f90e88a05de (diff) | |
Add Puma sampler
This sampler gathers Puma-specific metrics which can be used by
Prometheus then.
Diffstat (limited to 'doc/administration/monitoring/prometheus')
| -rw-r--r-- | doc/administration/monitoring/prometheus/gitlab_metrics.md | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/doc/administration/monitoring/prometheus/gitlab_metrics.md b/doc/administration/monitoring/prometheus/gitlab_metrics.md index c243dd9edbb..9c75403dd4c 100644 --- a/doc/administration/monitoring/prometheus/gitlab_metrics.md +++ b/doc/administration/monitoring/prometheus/gitlab_metrics.md @@ -103,6 +103,24 @@ Some basic Ruby runtime metrics are available: [GC.stat]: https://ruby-doc.org/core-2.3.0/GC.html#method-c-stat +## Puma Metrics **[EXPERIMENTAL]** + +When Puma is used instead of Unicorn, following metrics are available: + +| Metric | Type | Since | Description | +|:-------------------------------------------- |:------- |:----- |:----------- | +| puma_workers | Gauge | 12.0 | Total number of workers | +| puma_running_workers | Gauge | 12.0 | Number of booted workers | +| puma_stale_workers | Gauge | 12.0 | Number of old workers | +| puma_phase | Gauge | 12.0 | Phase number (increased during phased restarts) | +| puma_running | Gauge | 12.0 | Number of running threads | +| puma_queued_connections | Gauge | 12.0 | Number of connections in that worker's "todo" set waiting for a worker thread | +| puma_active_connections | Gauge | 12.0 | Number of threads processing a request | +| puma_pool_capacity | Gauge | 12.0 | Number of requests the worker is capable of taking right now | +| puma_max_threads | Gauge | 12.0 | Maximum number of worker threads | +| puma_idle_threads | Gauge | 12.0 | Number of spawned threads which are not processing a request | + + ## Metrics shared directory GitLab's Prometheus client requires a directory to store metrics data shared between multi-process services. |