I have recently been researching NoSql options. My scenario is as follows:
We collect and store data from custom hardware at remote locations around the world. We record
FWIW: After a year and a half of working and scaling the EAV schema in MySQL we got the point where our choices were:
We have ended up choosing Cassandra and using a schema heavily influenced by the OpenTSDB project.
Cassandra is a very strong choice for storing Time Series data and has met our requirements nicely.