I use 'nodetool compact' command to start a compaction. I can understand that extra disk spaces are required during the compaction, but after the compaction, the extra spaces are not released.
Before compaction: SSTable count: 10 space used (live): 19G space used (total): 21G After compaction: sstable count: 1 space used (live): 19G space used (total): 42G BTW, given that compaction requires double disk spaces, does it mean that I should never reach half of my total disk space? e.g. if I have 505GB data on 1TB disk, I cannot even delete any data at all.
