Question-182:  You have set up a Cassandra cluster with 9 nodes, three nodes in each datacenter.  It was found that because of network disconnect for almost 30 minutes one of the data center got disconnected.  And you are worried that there were lot of write happening on the database during that time.  What would you do in this case when network connectivity re-established?

 

  1. You would execute it nodetool synchronize command.
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Ans : B

Exp :  Whenever in Cassandra cluster if you see there were drops in the writing of the data in one of the node in cluster, which is having replication factor more than 1. 

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