I have an urgent Problem. - I will run out of disk space in near future.
Largest Table is a Time-Series Table with TimeWindowCompactionStrategy (TWCS) 
and default_time_to_live = 0
Keyspace Replication Factor RF=3. I run C* Version 3.11.2
We have grown the Cluster over time, so SSTable files have different Dates on 
different Nodes.

From Application Standpoint it would be safe to loose some of the oldest Data.

Is it safe to delete some of the oldest SSTable Files, which will no longer get 
touched by TWCS Compaction any more, while Node is clean Shutdown? - And doing 
so for one Node after another?

Or maybe there is a different way to free some disk space? - Any suggestions?

best regards
Jürgen Albersdorfer

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