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https://github.com/facebook/rocksdb.git
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17a4b75cc3
Summary: File copying happens when creating checkpoints and bulkloading files from different FS partition. We should fsync the files when copying them to guarantee durability. A side effect will be that the dirty pages in file system buffers won't grow too large. Closes https://github.com/facebook/rocksdb/pull/1728 Differential Revision: D4371083 Pulled By: siying fbshipit-source-id: 579e14c
28 lines
1 KiB
C++
28 lines
1 KiB
C++
// Copyright (c) 2011-present, 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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#pragma once
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#include <string>
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#include "rocksdb/env.h"
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#include "rocksdb/status.h"
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#include "rocksdb/types.h"
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#include "util/db_options.h"
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namespace rocksdb {
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// use_fsync maps to options.use_fsync, which determines the way that
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// the file is synced after copying.
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extern Status CopyFile(Env* env, const std::string& source,
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const std::string& destination, uint64_t size,
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bool use_fsync);
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extern Status CreateFile(Env* env, const std::string& destination,
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const std::string& contents);
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extern Status DeleteSSTFile(const ImmutableDBOptions* db_options,
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const std::string& fname, uint32_t path_id);
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} // namespace rocksdb
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