0acba44a2e
This API call in most implementations is fairly IO heavy and slow so it is more natural to be async in the first place. Concretely though, this change is a prerequisite of #49060 since determining the repository generation from the cluster state introduces situations where this call would have to wait for other operations to finish. Doing so in a blocking manner would break `SnapshotResiliencyTests` and waste a thread. Also, this sets up the possibility to in the future make use of async IO where provided by the underlying Repository implementation. In a follow-up `SnapshotsService#getRepositoryData` will be made async as well (did not do it here, since it's another huge change to do so). Note: This change for now does not alter the threading behaviour in any way (since `Repository#getRepositoryData` isn't forking) and is purely mechanical. |
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