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replicationgoogle-cloud-bigtable

Bigtable - Cost of cross-continental replication

I am trying to estimate the cost of Bigtable cross-continental replication. It is not clear to me whether Bigtable replicates the entire row or just the changed data in "write" request. My guess it will only send the same write request to remote cluster like an event stream, but cannot confirm it with any documentation. This makes big difference in egress cost. Does anyone have any experience?

Thanks

Solution

  • Bigtable only replicates the data being written, not the whole row, so your guess is correct.