考虑将序列化的java对象存储为cassandra的JSON。问题是什么?

I am using Cassandra 1.2.2. I am finding it so easy to use Jackson to map my objects to and fro json and java for storing in database. I am actually tempted to do this to all of my data. My question is, Is this a good idea? What are the disadvantages of doing this to my application. My first guess is probably more processing overheads but is the juice worth the squeeze? and are there any other disadvantages that i need to know about?I am using Cassandra 1.2.2. I am finding it so