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authorDouwe Maan <douwe@gitlab.com>2017-10-17 13:43:05 +0300
committerDouwe Maan <douwe@gitlab.com>2017-10-17 13:43:05 +0300
commit4bbdab764d808a86e2e726b4a717a64da8655a10 (patch)
tree72adb48ca2f33581377de3baa8e9725c928aeda5 /doc
parent79e889122b9f1cb41eb75ee33e94e625a8c679e2 (diff)
parent38af7c1613e75561b405b15d6b8db1724da59ef6 (diff)
Merge branch 'bvl-circuitbreaker-improvements' into 'master'
Make the circuitbreaker configurable at runtime See merge request gitlab-org/gitlab-ce!14842
Diffstat (limited to 'doc')
-rw-r--r--doc/administration/img/circuitbreaker_config.pngbin0 -> 213210 bytes
-rw-r--r--doc/administration/repository_storage_paths.md55
-rw-r--r--doc/api/settings.md4
3 files changed, 14 insertions, 45 deletions
diff --git a/doc/administration/img/circuitbreaker_config.png b/doc/administration/img/circuitbreaker_config.png
new file mode 100644
index 00000000000..9250d38297c
--- /dev/null
+++ b/doc/administration/img/circuitbreaker_config.png
Binary files differ
diff --git a/doc/administration/repository_storage_paths.md b/doc/administration/repository_storage_paths.md
index 624a908b3a3..efcabd69822 100644
--- a/doc/administration/repository_storage_paths.md
+++ b/doc/administration/repository_storage_paths.md
@@ -105,61 +105,26 @@ When GitLab detects access to the repositories storage fails repeatedly, it can
gracefully prevent attempts to access the storage. This might be useful when
the repositories are stored somewhere on the network.
-The configuration could look as follows:
+This can be configured from the admin interface:
-**For Omnibus installations**
-
-1. Edit `/etc/gitlab/gitlab.rb`:
-
- ```ruby
- git_data_dirs({
- "default" => {
- "path" => "/mnt/nfs-01/git-data",
- "failure_count_threshold" => 10,
- "failure_wait_time" => 30,
- "failure_reset_time" => 1800,
- "storage_timeout" => 5
- }
- })
- ```
-
-1. Save the file and [reconfigure GitLab][reconfigure-gitlab] for the changes to take effect.
-
----
-
-**For installations from source**
-
-1. Edit `config/gitlab.yml`:
-
- ```yaml
- repositories:
- storages: # You must have at least a `default` storage path.
- default:
- path: /home/git/repositories/
- failure_count_threshold: 10 # number of failures before stopping attempts
- failure_wait_time: 30 # Seconds after last access failure before trying again
- failure_reset_time: 1800 # Time in seconds to expire failures
- storage_timeout: 5 # Time in seconds to wait before aborting a storage access attempt
- ```
-
-1. Save the file and [restart GitLab][restart-gitlab] for the changes to take effect.
+![circuitbreaker configuration](img/circuitbreaker_config.png)
-**`failure_count_threshold`:** The number of failures of after which GitLab will
+**Maximum git storage failures:** The number of failures of after which GitLab will
completely prevent access to the storage. The number of failures can be reset in
the admin interface: `https://gitlab.example.com/admin/health_check` or using the
[api](../api/repository_storage_health.md) to allow access to the storage again.
-**`failure_wait_time`:** When access to a storage fails. GitLab will prevent
-access to the storage for the time specified here. This allows the filesystem to
-recover without.
+**Seconds to wait after a storage failure:** When access to a storage fails. GitLab
+will prevent access to the storage for the time specified here. This allows the
+filesystem to recover.
-**`failure_reset_time`:** The time in seconds GitLab will keep failure
-information. When no failures occur during this time, information about the
+**Seconds before reseting failure information:** The time in seconds GitLab will
+keep failure information. When no failures occur during this time, information about the
mount is reset.
-**`storage_timeout`:** The time in seconds GitLab will try to access storage.
-After this time a timeout error will be raised.
+**Seconds to wait for a storage access attempt:** The time in seconds GitLab will
+try to access storage. After this time a timeout error will be raised.
When storage failures occur, this will be visible in the admin interface like this:
diff --git a/doc/api/settings.md b/doc/api/settings.md
index be75e1b66ba..664f3ef7b77 100644
--- a/doc/api/settings.md
+++ b/doc/api/settings.md
@@ -69,6 +69,10 @@ PUT /application/settings
| `after_sign_up_text` | string | no | Text shown to the user after signing up |
| `akismet_api_key` | string | no | API key for akismet spam protection |
| `akismet_enabled` | boolean | no | Enable or disable akismet spam protection |
+| `circuitbreaker_failure_count_threshold` | integer | no | The number of failures of after which GitLab will completely prevent access to the storage. |
+| `circuitbreaker_failure_reset_time` | integer | no | Time in seconds GitLab will keep storage failure information. When no failures occur during this time, the failure information is reset. |
+| `circuitbreaker_failure_wait_time` | integer | no | Time in seconds GitLab will block access to a failing storage to allow it to recover. |
+| `circuitbreaker_storage_timeout` | integer | no | Seconds to wait for a storage access attempt |
| `clientside_sentry_dsn` | string | no | Required if `clientside_sentry_dsn` is enabled |
| `clientside_sentry_enabled` | boolean | no | Enable Sentry error reporting for the client side |
| `container_registry_token_expire_delay` | integer | no | Container Registry token duration in minutes |