rocksdb/file/read_write_util.cc
sdong e7c24168d8 Move old files to warm tier in FIFO compactions (#8310)
Summary:
Some FIFO users want to keep the data for longer, but the old data is rarely accessed. This feature allows users to configure FIFO compaction so that data older than a threshold is moved to a warm storage tier.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/8310

Test Plan: Add several unit tests.

Reviewed By: ajkr

Differential Revision: D28493792

fbshipit-source-id: c14824ea634814dee5278b449ab5c98b6e0b5501
2021-08-09 12:51:14 -07:00

33 lines
1.2 KiB
C++

// 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).
//
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.
#include "file/read_write_util.h"
#include <sstream>
#include "test_util/sync_point.h"
namespace ROCKSDB_NAMESPACE {
IOStatus NewWritableFile(FileSystem* fs, const std::string& fname,
std::unique_ptr<FSWritableFile>* result,
const FileOptions& options) {
TEST_SYNC_POINT_CALLBACK("NewWritableFile::FileOptions.temperature",
const_cast<Temperature*>(&options.temperature));
IOStatus s = fs->NewWritableFile(fname, options, result, nullptr);
TEST_KILL_RANDOM_WITH_WEIGHT("NewWritableFile:0", REDUCE_ODDS2);
return s;
}
#ifndef NDEBUG
bool IsFileSectorAligned(const size_t off, size_t sector_size) {
return off % sector_size == 0;
}
#endif // NDEBUG
} // namespace ROCKSDB_NAMESPACE