578514e892
Today if soft deletes are enabled then we read the operations needed for peer recovery from Lucene. However we do not currently make any attempt to retain history in Lucene specifically for peer recoveries so we may discard it and fall back to a more expensive file-based recovery. Yet we still retain sufficient history in the translog to perform an operations-based peer recovery. In the long run we would like to fix this by retaining more history in Lucene, possibly using shard history retention leases (#37165). For now, however, this commit reverts to performing peer recoveries using the history retained in the translog regardless of whether soft deletes are enabled or not. |
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