Function DeleteCacheFiles

src/data/sparse_page_source.h:89–98

};

inline void DeleteCacheFiles(std::map<std::string, std::shared_ptr<Cache>> const& cache_info) {
  for (auto const& kv : cache_info) {
    CHECK(kv.second);
    auto n = kv.second->ShardName();
    if (kv.second->OnHost()) {
      continue;
    }
    TryDeleteCacheFile(n);
  }
}

[[nodiscard]] inline std::string MakeId(std::string prefix, void const* ptr) {
  std::stringstream ss;