async fn fetch_multiple<R: Runtime>(
dirmgr: Arc<DirMgr<R>>,
attempt_id: AttemptId,
missing: &[DocId],
parallelism: usize,
) -> Result<Vec<(ClientRequest, DirResponse)>>
Expand description
Launch a set of download requests for a set of missing objects in
missing
, and return each request along with the response it received.
Don’t launch more than parallelism
requests at once.