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doc/development/transient/prevention-patterns.md

@@ -107,7 +107,7 @@ When there are 2 jobs being worked on at the same time, it is possible that the
 
 In this example, `Worker B` is meant to set the updated status. But `Worker A` calls `#update_state` a little too late.
 
-This can be avoided by utilizing locks. This way, jobs will be worked on one at a time.
+This can be avoided by utilizing either database locks or `Gitlab::ExclusiveLease`. This way, jobs will be worked on one at a time. This also allows them to be marked as [idempotent](../sidekiq_style_guide.md#idempotent-jobs).
 
 ### Retry mechanism handling