Revision 75d7075a8aa0dec5f0a2ef054bce8e17c369206a authored by sdong on 09 June 2015, 06:14:13 UTC, committed by sdong on 09 June 2015, 18:23:29 UTC
Summary: When there are files marked for compaction after compactions, print extra messages to help debugging. Example: 2015/06/08-23:12:55.212855 7ff5013ff700 [default] [JOB 121] Generated table #75: 54 keys, 4807 bytes (need compaction) 2015/06/08-23:12:55.556194 7ff5013ff700 (Original Log Time 2015/06/08-23:12:55.556160) [default] compacted to: base level 1 max bytes base 10240 files[0 1 9 32 12 0 0 0] max score 0.96 (2 files need compaction), MB/sec: 0.0 rd, 0.1 wr, level 2, files in(1, 3) out(5) MB in(0.0, 0.0) out(0.0), read-write-amplify(11.3) write-amplify(5.7) OK, records in: 40, records dropped: 0 Test Plan: Run test and see LOG files. valgrind test DBTest.TablePropertiesNeedCompactTest Reviewers: rven, yhchiang, kradhakrishnan, IslamAbdelRahman, igor Reviewed By: igor Subscribers: yoshinorim, maykov, leveldb, dhruba Differential Revision: https://reviews.facebook.net/D39771
1 parent 406a568
likely.h
// Copyright (c) 2013, 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.
#ifndef PORT_LIKELY_H_
#define PORT_LIKELY_H_
#if defined(__GNUC__) && __GNUC__ >= 4
#define LIKELY(x) (__builtin_expect((x), 1))
#define UNLIKELY(x) (__builtin_expect((x), 0))
#else
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif
#endif // PORT_LIKELY_H_
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