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Fault Tolerance and Compaction

Let's learn how BigTable handles fault tolerance and data compaction.

Fault tolerance and replication

Fault tolerance in Chubby and GFS

As discussed earlier, BigTable uses two independent systems Chubby and GFS. Both of these systems adopt a replication strategy for fault tolerance and higher availability. For example, a Chubby cell usually consists of five servers, where one server becomes the master and the remaining four work as replicas




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