How to choose between Cassandra, Membase, Hadoop, MongoDB, RDBMS etc.? [closed]

How to choose between Cassandra, Membase, Hadoop, MongoDB, RDBMS etc.? [closed]

mongodb hadoop cassandra membase nosql

mongodb

What is the best way to run Map/Reduce stuff on data from Mongo?

mongodb hadoop amazon-s3 amazon-web-services mapreduce

mongodb

Kafka -> Flink DataStream -> MongoDB

mongodb hadoop apache-kafka apache-flink

mongodb

MapReduce and SQL GROUP BY

mongodb hadoop group-by mapreduce

mongodb

How to import from sql dump to MongoDB?

mysql sql-server mongodb hadoop dbmigrate

mongodb

Spark rdd.count() yields inconsistent results

mongodb scala hadoop apache-spark cluster-computing

mongodb

MapReduce with MongoDB really, really slow (30 hours vs 20 minutes in MySQL for a equivalent database)

mongodb hadoop mapreduce

mongodb

100 TB of data on Mongo DB? Possible?

mongodb hadoop vertica bigdata database

mongodb

Efficient and scalable storage for JSON data with NoSQL databases

json mongodb hadoop couchdb cassandra

mongodb

Social-networking: Hadoop, HBase, Spark over MongoDB or Postgres?

mongodb postgresql hadoop apache-spark bigdata

mongodb

Is it possible to read MongoDB data, process it with Hadoop, and output it into a RDBS (MySQL)?

mysql mongodb hadoop sqoop

mongodb

HDFS vs GridFS: When to use which?

mongodb hadoop hdfs gridfs

mongodb

Read large mongodb data

java mongodb hadoop morphia

mongodb

Time based data analysis with Python

python mongodb hadoop pandas pytables

mongodb

Hadoop streaming to python using mongo-hadoop

python mongodb hadoop cloudera

mongodb