Allow enabling the circuitbreaker using an env variablebvl-circuitbreaker-backoff

That way we can enable the circuitbreaker for just one host at a time.

1 files changed, 9 insertions, 0 deletions

diff --git a/doc/administration/repository_storage_paths.md b/doc/administration/repository_storage_paths.md
index 2ee8d78b2f0..96f436fa7c3 100644
--- a/doc/administration/repository_storage_paths.md
+++ b/doc/administration/repository_storage_paths.md
@@ -131,6 +131,15 @@ mount is reset.
 **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.
 
+To enable the circuitbreaker for repository storage you can flip the feature flag from a rails console:
+
+```
+Feature.enable('git_storage_circuit_breaker')
+```
+
+Alternatively it can be enabled by setting `true` in the `GIT_STORAGE_CIRCUIT_BREAKER` environment variable.
+This approach would be used when enabling the circuit breaker on a single host.
+
 When storage failures occur, this will be visible in the admin interface like this:
 
 ![failing storage](img/failing_storage.png)