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2
votes
0answers
23 views

Realtime layered time data storage and calculations

I am having a hard time trying to figure out the best way to report on and calculate layered time data. The problem: A person can sign in multiple times, during this sign in there are multiple ...
2
votes
0answers
145 views

How should I store usernames and passwords for user login using php/cassandra?

I am new to NOSQL and Cassandra. I am not sure if I should store usernames and password in Cassandra. If I should, what is the best way to do that? I am getting lots of conflicting ideas from ...
1
vote
0answers
142 views

How to aggregating data with Cassandra and Apache Spark using counters?

I using Spark Streaming to roll up the analytic events and push to Cassandra 2.1+ database where data model resembles: CREATE TABLE rollup ( metric_1 text, metric_1_value counter ); The ...
0
votes
0answers
237 views

dynamic api code generation in nodejs

We are using nodejs and cassandra for backend stuff. In past few months we wrote same CRUD code for different apps. I am thinking of some way to automatically generating CRUD code. I came across ...