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Diffstat (limited to 'doc/user/admin_area/geo_nodes.md')
| -rw-r--r-- | doc/user/admin_area/geo_nodes.md | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/doc/user/admin_area/geo_nodes.md b/doc/user/admin_area/geo_nodes.md index a2354e68d72..f2b899f0be9 100644 --- a/doc/user/admin_area/geo_nodes.md +++ b/doc/user/admin_area/geo_nodes.md @@ -22,45 +22,45 @@ All Geo sites have the following settings: | Setting | Description | | --------| ----------- | | Primary | This marks a Geo site as **primary** site. There can be only one **primary** site. | -| Name | The unique identifier for the Geo site. It's highly recommended to use a physical location as a name. Good examples are "London Office" or "us-east-1". Avoid words like "primary", "secondary", "Geo", or "DR". This makes the failover process easier because the physical location does not change, but the Geo site role can. All nodes in a single Geo site use the same site name. Nodes use the `gitlab_rails['geo_node_name']` setting in `/etc/gitlab/gitlab.rb` to lookup their Geo site record in the PostgreSQL database. If `gitlab_rails['geo_node_name']` is not set, then the node's `external_url` with trailing slash is used as fallback. The value of `Name` is case-sensitive, and most characters are allowed. | +| Name | The unique identifier for the Geo site. It's highly recommended to use a physical location as a name. Good examples are "London Office" or "us-east-1". Avoid words like "primary", "secondary", "Geo", or "DR". This makes the failover process easier because the physical location does not change, but the Geo site role can. All nodes in a single Geo site use the same site name. Nodes use the `gitlab_rails['geo_node_name']` setting in `/etc/gitlab/gitlab.rb` to lookup their Geo site record in the PostgreSQL database. If `gitlab_rails['geo_node_name']` is not set, the node's `external_url` with trailing slash is used as fallback. The value of `Name` is case-sensitive, and most characters are allowed. | | URL | The instance's user-facing URL. | The site you're currently browsing is indicated with a blue `Current` label, and the **primary** node is listed first as `Primary site`. -## **Secondary** site settings +## Secondary site settings **Secondary** sites have a number of additional settings available: | Setting | Description | |---------------------------|-------------| | Selective synchronization | Enable Geo [selective sync](../../administration/geo/replication/configuration.md#selective-synchronization) for this **secondary** site. | -| Repository sync capacity | Number of concurrent requests this **secondary** site will make to the **primary** site when backfilling repositories. | -| File sync capacity | Number of concurrent requests this **secondary** site will make to the **primary** site when backfilling files. | +| Repository sync capacity | Number of concurrent requests this **secondary** site makes to the **primary** site when backfilling repositories. | +| File sync capacity | Number of concurrent requests this **secondary** site makes to the **primary** site when backfilling files. | ## Geo backfill **Secondary** sites are notified of changes to repositories and files by the **primary** site, -and will always attempt to synchronize those changes as quickly as possible. +and always attempt to synchronize those changes as quickly as possible. Backfill is the act of populating the **secondary** site with repositories and files that -existed *before* the **secondary** site was added to the database. Since there may be -extremely large numbers of repositories and files, it's infeasible to attempt to -download them all at once, so GitLab places an upper limit on the concurrency of +existed *before* the **secondary** site was added to the database. Because there may be +extremely large numbers of repositories and files, it's not feasible to attempt to +download them all at once; so, GitLab places an upper limit on the concurrency of these operations. -How long the backfill takes is a function of the maximum concurrency, but higher +How long the backfill takes is dependent on the maximum concurrency, but higher values place more strain on the **primary** site. From [GitLab 10.2](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/3107), the limits are configurable. If your **primary** site has lots of surplus capacity, you can increase the values to complete backfill in a shorter time. If it's -under heavy load and backfill is reducing its availability for normal requests, +under heavy load and backfill reduces its availability for normal requests, you can decrease them. ## Using a different URL for synchronization The **primary** site's Internal URL is used by **secondary** sites to contact it (to sync repositories, for example). The name Internal URL distinguishes it from -[External URL](https://docs.gitlab.com/omnibus/settings/configuration.html#configuring-the-external-url-for-gitlab) +[External URL](https://docs.gitlab.com/omnibus/settings/configuration.html#configuring-the-external-url-for-gitlab), which is used by users. Internal URL does not need to be a private address. Internal URL defaults to external URL, but you can also customize it: @@ -79,21 +79,21 @@ terminated at the load balancer. WARNING: Starting with GitLab 13.3 and [until 13.11](https://gitlab.com/gitlab-org/gitlab/-/issues/325522), -using an internal URL that is not accessible to the users will result in the -OAuth authorization flow not working properly, as the users will get redirected +if you use an internal URL that is not accessible to the users, the +OAuth authorization flow does not work properly, because users are redirected to the internal URL instead of the external one. ## Multiple secondary sites behind a load balancer -In GitLab 11.11, **secondary** sites can use identical external URLs as long as +In GitLab 11.11, **secondary** sites can use identical external URLs if a unique `name` is set for each Geo site. The `gitlab.rb` setting `gitlab_rails['geo_node_name']` must: - Be set for each GitLab instance that runs `puma`, `sidekiq`, or `geo_logcursor`. - Match a Geo site name. -The load balancer must use sticky sessions in order to avoid authentication -failures and cross site request errors. +The load balancer must use sticky sessions to avoid authentication +failures and cross-site request errors. <!-- ## Troubleshooting |