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In Cassandra, a write is atomic at the partition-level, meaning inserting or updating columns Isolation at the row-level, but trades transactional isolation and atomicity for highĪvailability and fast write performance. For example, when moving money fromĪccount A to B the total in the accounts does not change. User decide how strong or eventual they want each transaction’s consistency to be.Īs a non-relational database, Cassandra does not support joins or foreign keys, andĬonsequently does not offer consistency in the ACID sense. Offers atomic, isolated, and durable transactions with eventual/tunable consistency that lets the Vital information about successfully deploying a Cassandra cluster.Ĭassandra does not use RDBMS ACID transactions with rollback or locking mechanisms, but instead The three types of read requests that a coordinator node can send to a replica.
#Acid transaction serial
Serial consistency levels in Cassandra can be configured to manage lightweight transaction isolation.
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Important topics for understanding Cassandra.Ī description about Cassandra's storage structure and engine. Documentation for developers and administrators on installing, configuring, and using the features and capabilities of Apache Cassandra scalable open source NoSQL database.Īn overview of new features in Cassandra.