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About this guide
Information for developers and administrators on how the DataStax Enterprise database works.
The DataStax Enterprise 5.1 FAQ
Frequently asked questions about DataStax Enterprise.
Database architecture
Important information for understanding how the DataStax Enterprise database works.
Architecture in brief
Essential information for understanding and using DataStax Enterprise.
Internode communications (gossip)
DataStax Enterprise uses a protocol called gossip to discover location and state information about the other nodes participating in a cluster.
Data distribution and replication
How data is distributed and factors influencing replication.
Partitioners
A partitioner determines how data is distributed across the nodes in the cluster (including replicas).
Snitches
A snitch determines which datacenters and racks nodes belong to.
Node repair
Node repair is the process that the database uses to make sure data in every replica is consistent with other replicas.
Component architecture
Important information for understanding how DSE Analytics, DSE search, and DSE Graph work.
DSE Analytics
Use DSE Analytics to analyze huge databases. DSE Analytics includes built-in integration with Apache Spark.
DSE Search architecture
An overview of DSE Search architecture.
DSE Graph
Information about the DSE Graph architecture.
Database internals
Information about the DataStax Enterprise database.
Storage engine
About the DataStax Enterprise storage structure and engine.
About reads and writes
Understanding how the DataStax Enterprise database stores data.
Data consistency
Topics about how up-to-date and synchronized a row of data is on all replicas.
CQL
Cassandra Query Language (CQL) is a query language for the DataStax Enterprise database.