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Merge branch 'docs/admin_area_monitoring' into 'master'

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Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/57874

Closes #57874

See merge request gitlab-org/gitlab-ce!30013
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Evan Read 2019-06-28 03:42:09 +00:00
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doc/user/admin_area/index.md
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@ -21,7 +21,7 @@ The Admin Area is made up of the following sections:
| Section | Description |
|:------------------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [Overview](#overview-section) | View your GitLab [Dashboard](#admin-dashboard), and administer [projects](#administering-projects), [users](#administering-users), [groups](#administering-groups), [jobs](#administering-jobs), [Runners](#administering-runners), and [Gitaly servers](#administering-gitaly-servers). |
| Monitoring | View GitLab system information, and information on background jobs, logs, [health checks](monitoring/health_check.md), request profiles, and audit logs. |
| Monitoring | View GitLab [system information](#system-info), and information on [background jobs](#background-jobs), [logs](#logs), [health checks](monitoring/health_check.md), [requests profiles](#requests-profiles), and [audit logs](#audit-log-premium-only). |
| Messages | Send and manage [broadcast messages](broadcast_messages.md) for your users. |
| System Hooks | Configure [system hooks](../../system_hooks/system_hooks.md) for many events. |
| Applications | Create system [OAuth applications](../../integration/oauth_provider.md) for integrations with other services. |
@ -229,3 +229,66 @@ For each Gitaly server, the following details are listed:
| Server version | Gitaly version |
| Git version | Version of Git installed on the Gitaly server |
| Up to date | Indicates if the Gitaly server version is the latest version available. A green dot indicates the server is up to date. |
## Monitoring section
The following topics document the **Monitoring** section of the Admin Area.
### System Info
The **System Info** page provides the following statistics:
| Field | Description |
| :----------- | :---------- |
| CPU | Number of CPU cores available |
| Memory Usage | Memory in use, and total memory available |
| Disk Usage | Disk space in use, and total disk space available |
| Uptime | Approximate uptime of the GitLab instance |
These statistics are updated only when you navigate to the **System Info** page, or you refresh the page in your browser.
### Background Jobs
The **Background Jobs** page displays the Sidekiq dashboard. Sidekiq is used by GitLab to
perform processing in the background.
The Sidekiq dashboard consists of the following elements:
- A tab per jobs' status.
- A breakdown of background job statistics.
- A live graph of **Processed** and **Failed** jobs, with a selectable polling interval.
- An historical graph of **Processed** and **Failed** jobs, with a selectable time span.
- Redis statistics, including:
- Version number
- Uptime, measured in days
- Number of connections
- Current memory usage, measured in MB
- Peak memory usage, measured in MB
### Logs
The **Logs** page provides access to the following log files:
| Log file | Contents |
| :---------------------- | :------- |
| `application.log` | GitLab user activity |
| `githost.log` | Failed GitLab interaction with Git repositories |
| `production.log` | Requests received from Unicorn, and the actions taken to serve those requests |
| `sidekiq.log` | Background jobs |
| `repocheck.log` | Repository activity |
| `integrations_json.log` | Activity between GitLab and integrated systems |
| `kubernetes.log` | Kubernetes activity |
The contents of these log files can be useful when troubleshooting a problem. Access is available to GitLab admins, without requiring direct access to the log files.
For details of these log files and their contents, see [Log system](../../administration/logs.md).
The content of each log file is listed in chronological order. To minimize performance issues, a maximum 2000 lines of each log file are shown.
### Requests Profiles
The **Requests Profiles** page contains the token required for profiling. For more details, see [Request Profiling](../../administration/monitoring/performance/request_profiling.md).
### Audit Log **[PREMIUM ONLY]**
The **Audit Log** page lists changes made within the GitLab server. With this information you can control, analyze, and track every change.