Class File_Namespace::CachingGlobalFileMgr¶

class CachingGlobalFileMgr : public File_Namespace::GlobalFileMgr ¶

Public Functions

CachingGlobalFileMgr(int32_t device_id, std::shared_ptr<ForeignStorageInterface> fsi, const std::string &base_path, size_t num_reader_threads, foreign_storage::ForeignStorageCache *disk_cache, size_t defaultPageSize = DEFAULT_PAGE_SIZE)¶

AbstractBuffer *createBuffer(const ChunkKey &chunk_key, const size_t page_size, const size_t initial_size)¶

void deleteBuffer(const ChunkKey &chunk_key, const bool purge)¶

void deleteBuffersWithPrefix(const ChunkKey &chunk_key_prefix, const bool purge)¶

void getChunkMetadataVecForKeyPrefix(ChunkMetadataVector &chunk_metadata, const ChunkKey &keyPrefix)¶

void fetchBuffer(const ChunkKey &chunk_key, AbstractBuffer *destination_buffer, const size_t num_bytes)¶

AbstractBuffer *putBuffer(const ChunkKey &chunk_key, AbstractBuffer *source_buffer, const size_t num_bytes)¶

void checkpoint()¶

void checkpoint(const int db_id, const int tb_id)¶

void removeTableRelatedDS(const int db_id, const int table_id)¶

Private Functions

bool isChunkPrefixCacheable(const ChunkKey &chunk_prefix) const¶

Private Members

foreign_storage::ForeignStorageCache *disk_cache_¶

std::set<ChunkKey> cached_chunk_keys_¶