We have lot of data in Cassandra and we need to move it to Mongo. Is there a tool I can use or how can I easily migrate the data. Some tables I need to move as it is and for some I need to make some changes in the column names. I have written a script but I think it will be slow.
I assume that you will need to write scripts or code using a driver to connect to your Cassandra cluster query data, reshape and bulk load to MongoDB databases and collections .
I noticed that Cassandra is supporting JSON format queries: