{"id":"sstable-compaction-manager-copies-list","text":"`CompactionManager.get_sstables()` returns `list(self._sstables)` (a shallow copy), preventing iterator invalidation from concurrent mutation but not preventing file-deletion races on the underlying SSTable files","truth_value":"IN","source":"entries/2026/05/29/topic-superversion-refcount-implementation.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"sstable-compaction-manager-copies-list","truth_value":"IN","reason":"premise"}]}}