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Posts with tag "handoff"

Nov16

How Hinted Handoff Works in Scylla

Hinted

— When data is written to Scylla, one or more replicas may become unresponsive or unreachable. The reasons for that may range from a heavy load on a particular replica node, network congestion, hardware issues, etc. As a result, the write to a replica will fail, usually with the timeout error. To restore the consistency of the data across all replicas, a user will have to run a repair, which is a very expensive—and usually long—procedure.

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