rocksdb/util/clock_cache.h

// Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same 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.

#pragma once

#include "rocksdb/cache.h"

#if defined(TBB) && !defined(ROCKSDB_LITE)
#define SUPPORT_CLOCK_CACHE
#endif
Introduce ClockCache Summary: Clock-based cache implemenetation aim to have better concurreny than default LRU cache. See inline comments for implementation details. Test Plan: Update cache_test to run on both LRUCache and ClockCache. Adding some new tests to catch some of the bugs that I fixed while implementing the cache. Reviewers: kradhakrishnan, sdong Reviewed By: sdong Subscribers: andrewkr, dhruba, leveldb Differential Revision: https://reviews.facebook.net/D61647 8 years ago			`// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.`
			`// This source code is licensed under the BSD-style license found in the`
			`// LICENSE file in the root directory of this source tree. An additional grant`
			`// of patent rights can be found in the PATENTS file in the same 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.`

			`#pragma once`

			`#include "rocksdb/cache.h"`

			`#if defined(TBB) && !defined(ROCKSDB_LITE)`
			`#define SUPPORT_CLOCK_CACHE`
			`#endif`