Revision 10d7546961acf61f20a9b713a0ab43de37ab8b0c authored by Aaron Gao on 11 April 2017, 23:59:50 UTC, committed by Facebook Github Bot on 12 April 2017, 00:13:33 UTC
Summary: Users usually set readahead buffer to a multiple of 4k, more than that, usually a multiple of blocks. So previously we set real buffer size 512 * n + 4k, which may introduce an additional block reading. Closes https://github.com/facebook/rocksdb/pull/2138 Differential Revision: D4871504 Pulled By: lightmark fbshipit-source-id: b070faa51d92e976e8e8468c00692699e585e243
1 parent ba7da43
xpress.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
// Xpress on Windows is implemeted using Win API
#if defined(ROCKSDB_PLATFORM_POSIX)
#error "Xpress compression not implemented"
#elif defined(OS_WIN)
#include "port/win/xpress_win.h"
#endif
Computing file changes ...
