> a) It is a major compaction [1] > b) The old version was deleted/overwritten more than GCGraceSeconds ago [2]
c) and the memtable containing the delete/overwrite has been flushed. (I suppose that's kinda obvious in retrospect, but it took me a little bit to realize this was why a 'nodetool compact' was not clearing up diskspace after bulk deletion even with GCGraceSeconds set to 0.) -- / Peter Schuller
