Packages

rocksdb

1.3.1
3.1.2 3.1.1 3.1.0 3.0.0 2.6.2 2.6.1 retired 2.6.0 retired 2.5.0 2.4.1 2.4.0 2.3.0 2.2.0 2.1.0 2.0.0 1.9.0 1.8.0 1.7.0 1.6.0 1.5.1 1.5.0 1.4.0 1.3.2 1.3.1 1.3.0 1.2.0 1.1.1 1.1.0 1.0.0 0.26.2 0.26.1 0.26.0 0.25.0 0.24.0 0.23.3 0.23.2 0.23.1 0.23.0 0.22.0 0.21.0 0.20.1 0.20.0 0.19.0 0.18.0 0.17.0 0.16.0 0.15.0 0.14.0 0.13.1 0.13.0 0.12.0 0.11.0 0.10.0 0.9.1 0.9.0 0.8.2 0.8.1 0.8.0 0.7.1 0.7.0 0.6.4 0.6.3 0.6.2 0.6.1 0.6.0

RocksDB for Erlang

HexDocs

Current section

Files

Jump to
Readme
64 Versions
0 Dependencies
Dependants
Files
Activity
rocksdb deps rocksdb include rocksdb utilities checkpoint.h
Raw

deps/rocksdb/include/rocksdb/utilities/checkpoint.h 

// Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.

//  This source code is licensed under both the GPLv2 (found in the

//  COPYING file in the root directory) and Apache 2.0 License

//  (found in the LICENSE.Apache file in the root directory).

//

// A checkpoint is an openable snapshot of a database at a point in time.



#pragma once

#ifndef ROCKSDB_LITE



#include <string>

#include "rocksdb/status.h"



namespace rocksdb {



class DB;



class Checkpoint {

 public:

  // Creates a Checkpoint object to be used for creating openable snapshots

  static Status Create(DB* db, Checkpoint** checkpoint_ptr);



  // Builds an openable snapshot of RocksDB on the same disk, which

  // accepts an output directory on the same disk, and under the directory

  // (1) hard-linked SST files pointing to existing live SST files

  // SST files will be copied if output directory is on a different filesystem

  // (2) a copied manifest files and other files

  // The directory should not already exist and will be created by this API.

  // The directory will be an absolute path

  // log_size_for_flush: if the total log file size is equal or larger than

  // this value, then a flush is triggered for all the column families. The

  // default value is 0, which means flush is always triggered. If you move

  // away from the default, the checkpoint may not contain up-to-date data

  // if WAL writing is not always enabled.

  // Flush will always trigger if it is 2PC.

  virtual Status CreateCheckpoint(const std::string& checkpoint_dir,

                                  uint64_t log_size_for_flush = 0);



  virtual ~Checkpoint() {}

};



}  // namespace rocksdb

#endif  // !ROCKSDB_LITE