hadoop vs cassandra - Wikitechy https://www.wikitechy.com/interview-questions/tag/hadoop-vs-cassandra/ Interview Questions Mon, 13 Sep 2021 11:07:29 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png hadoop vs cassandra - Wikitechy https://www.wikitechy.com/interview-questions/tag/hadoop-vs-cassandra/ 32 32 What is the difference between Cassandra and Hadoop ? https://www.wikitechy.com/interview-questions/cassandra/what-is-the-difference-between-cassandra-and-hadoop/ https://www.wikitechy.com/interview-questions/cassandra/what-is-the-difference-between-cassandra-and-hadoop/#respond Tue, 13 Jul 2021 05:44:49 +0000 https://www.wikitechy.com/interview-questions/?p=444
difference between cassandra and hadoop

Difference between Cassandra and Hadoop:

Parameters Cassandra Hadoop
CAP theorem AP CP
Architecture All nodes are same in Peer-to-Peer
Distributed architecture.		 Master/Slave. Name Node act as Master and data node act as worker node.
Read and Write Design Read and write anywhere model. Write once read many access models.
Area of utilization Real time online transactional processing Batch-oriented analytical solutions.
Mode of accessing data Cassandra query language
and Command line interface tools.		 Map/Reduce for read/write operations.
Data storage model Keys space column family to store the data
and introduces primary and secondary
indexes for high availability of data		 File system. Large files are destroyed into small piece and copy on many data node
Fault tolerance High availability- NO SPOF
cluster all nodes are same
and experienced to handle the access		 when master node is down if the Single point of failure Vulnerable to be failed.
Storage schema Combines schema from Google big table
and Amazon Dynamo		 Physical file system schema.
Communication Gossip protocol RPC/TCP and UDP
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