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11f045bb7c
add a new RPC repair_colocated_tablets which is similar to the RPC tablet_repair, but instead of repairing a single tablet it takes a set of co-located tablets, repairs them and returns a shared repair_time result. This is useful because the way co-located tablets are represented doesn't allow to repair tablets independently but only as a group operation, and the repair_time which is stored in the tablet map is shared with the entire co-location group. But when repairing a group of co-located tablets we may require a different behavior, especially considering that co-located tablets are derived tablets of a special type. For example, we may want to skip running repair on CDC tablets when repairing the base table. The new RPC and the storage service function repair_colocated_tablets allow the flexibility to implement different strategies when repairing co-located groups. Currently the implementation is simply to repair each tablet and return the minimum repair_time as the shared repair time.