Cassandra AWS Storage Requirements

Cassandra AWS Storage Requirements Cassandra does a lot sequential disk IO for the commit log and writing out SSTable. You still need random I/O for read operations. The more read operations that are cache misses, the more your EBS volumes need IOPS. Cassandra writes to four areas commit logs SSTable an index file a bloom filter Consider EC2 instance store instead of EBS for Cassandra AWS provides EC2 instance local storage called instance storage which is not available with all EC2 instance types, and Elastic Block Store (EBS).

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