Casandra LInks

cloud times web site why nosql ?

Big Data – Data Never Sleeps

The Casandra paper

The Casandra RefCard

Casandra  roots traced back to facebook

Casandra api example on dumping data from it

Few words on unstructured database blog

Cassandra winning the NoSql race 2009

Cassandra quick tour

Cassandra getting started

WTF is a supercolumn and more

Should the terminology change

Replication in Cassandra and HBase blog

client choices in Cassandra clientdrivers

client cassandra  api

spring data Casandra api

GUI for Cassandra

Compare of Cassandra

Clones of Big Table on Cassandra

  • Written in: Java
  • Main point: Best of BigTable and Dynamo
  • License: Apache
  • Protocol: Thrift & custom binary CQL3
  • Tunable trade-offs for distribution and replication (N, R, W)
  • Querying by column, range of keys (Requires indices on anything that you want to search on)
  • BigTable-like features: columns, column families
  • Can be used as a distributed hash-table, with an “SQL-like” language, CQL (but no JOIN!)
  • Data can have expiration (set on INSERT)
  • Writes can be much faster than reads (when reads are disk-bound)
  • Map/reduce possible with Apache Hadoop
  • All nodes are similar, as opposed to Hadoop/HBase
  • Very good and reliable cross-datacenter replication

Best used: When you write more than you read (logging). If every component of the system must be in Java. (“No one gets fired for choosing Apache’s stuff.”)

For example: Banking, financial industry (though not necessarily for financial transactions, but these industries are much bigger than that.) Writes are faster than reads, so one natural niche is data analysis.

Cassandra vs HBase NoSql battle

Cassandra at twitter

why they moved to Cassandra blog

blog big data overview slides

cassandra myths infoq

cassandra maven

how do i cassandra slides

cassandra under hood

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