balintsera/datastore-internal-attribs.md

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Datastore Internal Attributes (Table 11-2 from Database Reliability Engineering, Designing and Operating Resilient Database Systems – Laine Campbell, Charity Majors)

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datastore-internal-attribs.md

Attribute	MySQL	Cassandra	MongoDB	Neo4J
Storage engines	Plugins, B-tree primarily LSM only	Plugins, B-tree, or LSM	Native	graph storage
Distributed consistency	Focused on consistency	Eventual, secondary to availability	Focused on consistency	Focused on consistency
Distributed availability	Secondary to consistency	Focused on availability	Secondary to consistency	Secondary to consistency
Latency	Tunable based on durability	Optimized for writes	Tunable for consistency	Optimized

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