004f416b77
Summary: Moved checkpoint to utilities. Addressed comments by Igor, Siying, Dhruba Test Plan: db_test/SnapshotLink Reviewers: dhruba, igor, sdong Reviewed By: igor Subscribers: dhruba, leveldb Differential Revision: https://reviews.facebook.net/D29079
35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
// Copyright (c) 2013, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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// A checkpoint is an openable snapshot of a database at a point in time.
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#pragma once
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#include <string>
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#include "rocksdb/status.h"
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namespace rocksdb {
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class DB;
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class Checkpoint {
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public:
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// Creates a Checkpoint object to be used for creating openable sbapshots
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static Status Create(DB* db, Checkpoint** checkpoint_ptr);
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// Builds an openable snapshot of RocksDB on the same disk, which
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// accepts an output directory on the same disk, and under the directory
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// (1) hard-linked SST files pointing to existing live SST files
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// SST files will be copied if output directory is on a different filesystem
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// (2) a copied manifest files and other files
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// The directory should not already exist and will be created by this API.
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// The directory will be an absolute path
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virtual Status CreateCheckpoint(const std::string& checkpoint_dir);
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virtual ~Checkpoint() {}
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};
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} // namespace rocksdb
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