I am working on the Web analytics similar to Google Analytics , and currently using MongoDB .
Writing and reading is performed at the same time, so after some point writing becomes slow. So I am looking for an appropriate database which suits the following requirements :
I am saving the data using Java, and fetching it via Node.js
I think you are looking for DBs that are designed for analytics. Those would be databases which support large amount of reads as well as writes on storage. May be you should check these solutions:.
note: Here I think cassandra would have appropriate drivers for languages that you are looking for and would be a good fit when you have large read and write operations. We can see cassandra being used in java/storm based projects which are aimed at real time processing.
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