How about this tool? https://github.com/instaclustr/cassandra-sstable-tools
> On 13 Mar 2017, at 17:56, Artur R <ar...@gpnxgroup.com> wrote: > > Hello! > > I can't find where C* stores information about partitions size (if stores it > at all). > So, the questions; > > 1. How to obtain the size (in rows or in bytes - doesn't matter) of some > particular partition? > I know that there is system.size_estimates table with mean_partition_size, > but it's only mean size among all partitions. > > 2. How to obtain the size of entire table? > Again, does "mean_partition_size * partitions_count" (fields from > system.size_estimates table) == real size of the table? > > 3. Is it possible to obtain size of rows by some clustering key within some > partition? > > > Maybe one can obtain these information using Java driver or from C* system > tables? > > >