Apache Cassandra. Inception - all you need to know
summary
Apache Cassandra is a write-optimized, distributed NoSQL store that scales horizontally to hundreds or thousands of nodes and sustains very high write throughput by appending to a commit log, holding writes in memtables, then flushing immutable SSTables; compaction merges files and can temporarily double disk use. It uses replication factor = 3 by default, Bloom filters and tunable consistency levels (ONE, QUORUM, ALL), hinted handoff and read repair for eventual consistency, and suits time-series, product catalogs and social workloads. Tombstones with default GC 10 days can make compaction very slow.
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chapters (11)
- 0:00Introduction to Cassandra
- 6:25History and origins
- 10:18Architecture and infrastructure
- 18:29Writing and reading data
- 27:18Consistency and replication
- 31:09Caching and performance
- 34:22Query syntax
- 37:57Secondary indexes
- 41:14When to use Cassandra
- 44:25Summary and recommendations
- 50:19Q&A
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