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How to change the number of replicas of a Kafka topic? The problem with changing the topic replication factor using the kafka-reassign-partitions sh tool is that the user is in charge of doing the calculations to determine the best broker to host a new replica, or which replica needs to be dropped
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Understand cassandra replication factor versus consistency level I want to clarify very basic concept of replication factor and consistency level in Cassandra Highly appreciate if someone can provide answer to below questions RF- Replication Factor RC- Read
How do I convert certain columns of a data frame to become factors? Using a factor will require that all values are mapped to IDs behind the scenes, so any print of your data frame requires a lookup on those levels -- an extra step which takes time Factors are great when storing strings which you don't want to store repeatedly, but would rather reference by their ID