anonymous_namespace{CachingFileMgr.cpp} Namespace Reference

Functions
size_t	size_of_dir (const std::string &dir)
ChunkKey	evict_chunk_or_fail (LRUEvictionAlgorithm &alg)

Function Documentation

ChunkKey anonymous_namespace{CachingFileMgr.cpp}::evict_chunk_or_fail

(

LRUEvictionAlgorithm &

alg

)

Definition at line 45 of file CachingFileMgr.cpp.

References LRUEvictionAlgorithm::evictNextChunk(), logger::FATAL, and LOG.

Referenced by File_Namespace::CachingFileMgr::evictMetadataPages(), and File_Namespace::CachingFileMgr::evictPages().

                                                        {
  ChunkKey ret;
  try {
    ret = alg.evictNextChunk();
  } catch (const NoEntryFoundException& e) {
    LOG(FATAL) << "Disk cache needs to evict data to make space, but no data found in "
                  "eviction queue.";
  }
  return ret;
}

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size_t anonymous_namespace{CachingFileMgr.cpp}::size_of_dir

(

const std::string &

dir

)

Definition at line 33 of file CachingFileMgr.cpp.

References heavyai::file_size().

Referenced by File_Namespace::CachingFileMgr::deleteCacheIfTooLarge().

                                         {
  size_t space_used = 0;
  if (bf::exists(dir)) {
    for (const auto& file : bf::recursive_directory_iterator(dir)) {
      if (bf::is_regular_file(file.path())) {
        space_used += bf::file_size(file.path());
      }
    }
  }
  return space_used;
}

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