Only try to backfill event if we haven't tried before recently (exponential backoff) - #13635

Only try to backfill event if we haven't tried before recently (exponential backoff)#13635

MadLittleMods merged 78 commits into

developmatrix-org/synapse:developfrom

madlittlemods/13622-do-not-retry-backfilling-the-same-event-over-and-overmatrix-org/synapse:madlittlemods/13622-do-not-retry-backfilling-the-same-event-over-and-overCopy head branch name to clipboard