# Data Storage and SSTables

* [Space Utilization Keeps Going Up During Normal Operation](https://docs.scylladb.com/manual/master/troubleshooting/space-up.md)
* [Dropped (or truncated) Table (or keyspace) and Disk Space is not Reclaimed](https://docs.scylladb.com/manual/master/troubleshooting/drop-table-space-up.md)
* [SSTable Corruption Problem](https://docs.scylladb.com/manual/master/troubleshooting/sstable-corruption.md)
* [There Are A Lot Of Single SSTable Compactions That Don’t Compact Anything](https://docs.scylladb.com/manual/master/troubleshooting/pointless-compactions.md)
* [Compaction Takes Lots of Memory and CPU](https://monitoring.docs.scylladb.com/stable/use-monitoring/advisor/heavyCompaction.html)

More information on [SSTables](https://docs.scylladb.com/manual/master/architecture/sstable/index.md).