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Cassandra for Oracle DBA’s Part 4 – Data Distribution across Nodes

Shared Disk architecture in RAC where the data is shared across the nodes and at any point of time , every instance will give the same data using cache fusion.

But in Cassandra, the important part is storage is not shared storage, instead its sharded means partitioned and stored in each node.

And when […]

July 25th, 2016 | Tags: , , , | Category: Cassandra | Comments are closed

Cassandra for Oracle DBA’s Part 6 – Installing Cassandra

Installing Cassandra is straight forward, With CCM, is a tool to simulate a Cassandra cluster in a single host, Ideal for test environments or you want to make your hands on in Cassandra.

Further to install Cassandra in production size, you can directly download the Cassandra from Apache.org or Datastax for an enterprise version.

[…]

July 19th, 2016 | Tags: , , , | Category: Cassandra | One comment - (Comments are closed)

Cassandra for Oracle DBA’s – Part 1 : Nomenclature or Commands or Features Comparision

Although, there are heaps of fundamental changes between Oracle & Cassandra,

Just for fun, or for nomenclature or for commands or similar features are listed here , which may provide handy information to Oracle DBA’s

Oracle Keyword Cassandra Feature / Nomenclature SGA Java Heap Memory Buffer Cache Memtables LRU List Parition Index Summary Cache […]

July 19th, 2016 | Tags: , , , | Category: Cassandra | 6 comments - (Comments are closed)