Method NeedsCompaction

src/leveldb/db/version_set.h:252–255

Returns true iff some level needs a compaction.

  // Returns true iff some level needs a compaction.
  bool NeedsCompaction() const {
    Version* v = current_;
    return (v->compaction_score_ >= 1) || (v->file_to_compact_ != nullptr);
  }

  // Add all files listed in any live version to *live.
  // May also mutate some internal state.