Cassandra - A Decentralized Structured Storage System. Avinash Lakshman and Prashant Malik Facebook. Presented by Ravi Theja M. Agenda. Outline Data Model System Architecture Implementation Experiments. Outline. Extension of Bigtable with aspects of Dynamo Motivations:
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Cassandra - A Decentralized Structured Storage System
Avinash Lakshman and Prashant Malik
Presented by Ravi Theja M
How data is partitioned across nodes
How data is duplicated across nodes
How nodes are added, deleted to the cluster
Partitioning and Replication
Φ(t) k as t k
Where k is a threshold variable (depends on system load) which tells a node is dead.
Φ(t) = 0
Read repair if digests differ