Lets say i have some data to write which includes blob data, and total size may be in order of GBs. If i start to write the data to our cassandra instance, how can i make sure that our instance will have the required space to make it a successful completion of writing all data. I am looking for a way to figure out whether we have sufficient disk space before i start to write some data (it can be large data). I dont want the writes to be stopped in the middle way of writes when the disk space is full. I want to know this before writes begin to that instance . Is this feature already there in cassandra ? if not what will be the way of achieving this either through cassandra driver or any tools?