| Workflow execution limit | Gate approval time | 30 days | A workflow may wait for up to [30 days on environment approvals](/actions/managing-workflow-runs-and-deployments/managing-deployments/managing-environments-for-deployment#wait-timer). | {% octicon "x" aria-label="No" %} |

| Workflows queuing | Workflow trigger event rate limit | 1500 events / 10 seconds / repository | Each repository is limited to events triggering a workflow run. | {% octicon "check" aria-label="Yes" %} Support ticket |

| Workflows queuing | Workflow run queued | 500 workflow runs / 10 seconds | When the limit is reached, the workflow runs that were supposed to be triggered by the webhook events will be blocked and will not be queued. Reusable workflows are viewed as a single entity. For example, a run with 30 reusable workflows counts as 1 in this instance. | {% octicon "x" aria-label="No" %} |

| Workflow execution | Job Matrix | 256 jobs / workflow run | A job matrix can generate a maximum of jobs per workflow run. This limit applies to both {% data variables.product.github %}-hosted and self-hosted runners. | {% octicon "x" aria-label="No" %} |

| Self-hosted | Runner registrations | 1500 runners / 5 minutes / repository/org/enterprise | Runners can be registered per repository/organization/enterprise. | {% octicon "check" aria-label="Yes" %} Support ticket |

| Self-hosted | Runners per runner group | 10,000 runners | Runners registered at the same time per runner group. | {% octicon "x" aria-label="No" %} |

* {% data reusables.enterprise-migration-tool.delta-migrations-not-supported %}

* For the source organization, you must be an organization owner or have the migrator role. For more information, see [AUTOTITLE](/migrations/using-github-enterprise-importer/migrating-between-github-products/managing-access-for-a-migration-between-github-products#about-the-migrator-role).

* For the destination enterprise account, you must be an enterprise owner.

{% api %}