{"id":"btree-delete-is-immediate-not-tombstone","text":"Deletes decrement `total_keys` immediately and the key becomes unreadable at once; no tombstone entries are written and no deferred compaction pass is needed","truth_value":"IN","source":"entries/2026/05/28/topic-btree-split-and-merge-strategy.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"explanation":{"steps":[{"node":"btree-delete-is-immediate-not-tombstone","truth_value":"IN","reason":"premise"}]}}