I've got a bulk load process that puts a bunch of data into a table with the STCS compaction (1-2T). Now I want to switch the compaction strategy to LCS, but leave levels L1-L3 empty for future writes (100G). All the bulk load data is read only and won't be updated, so I don't want to pay compaction costs as the relatively small amount of updates come in.
I asked at CassandraSummit and someone pointed me to sstableofflinerelevel, but there is no option in that utility to tell it which level to put the sstables in.
Or does it just push everything up to the highest level?