Total size includes SSTables that have been compacted, but have yet to be
deleted from disk. Live space is only the space used by SSTables that are still
in use.
You second set of numbers looks like minor compaction has done it's job and the
unused space has been reclaimed.
Hope that helps.
After 1 hour ,from the application was done, the size of data folder become
14 GB and the result of cfstats is matching with this number (and Space used
(live) become equal to Space used (total) ).
CF1-Space used (live) :7196278850
Space used (total): 7196278850
CF2-
I am using 4 column family in my application , the result of cfstats for
space taken by different CF are as below-
CF1-Space used (live) :7196159547
Space used (total): 14214373706
CF2- Space used (live) :2456495851
Space used (total): 906
