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MaintenancePrioritizerLowMemory.h
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1 /* -*- c++ -*-
2  * Copyright (C) 2007-2015 Hypertable, Inc.
3  *
4  * This file is part of Hypertable.
5  *
6  * Hypertable is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; version 3 of the
9  * License, or any later version.
10  *
11  * Hypertable is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19  * 02110-1301, USA.
20  */
21 
22 #ifndef HYPERTABLE_MAINTENANCEPRIORITIZERLOWMEMORY_H
23 #define HYPERTABLE_MAINTENANCEPRIORITIZERLOWMEMORY_H
24 
25 #include "MaintenancePrioritizer.h"
26 
27 namespace Hypertable {
28 
30  public:
31 
32  virtual void prioritize(std::vector<RangeData> &range_data, MemoryState &memory_state,
33  int32_t priority, String *trace);
34 
35  private:
36 
37  void assign_priorities_all(std::vector<RangeData> &range_data, CommitLogPtr &log,
38  int64_t prune_threshold, MemoryState &memory_state,
39  int32_t &priority, String *trace);
40 
41  void assign_priorities_user(std::vector<RangeData> &range_data,
42  LoadStatistics::Bundle &load_stats,
43  MemoryState &memory_state,
44  int32_t &priority, String *trace);
45 
46  };
47 
48 }
49 
50 #endif // HYPERTABLE_MAINTENANCEPRIORITIZERLOWMEMORY_H
51 
52 
POD-style structure to hold statistics.
std::string String
A String is simply a typedef to std::string.
Definition: String.h:44
virtual void prioritize(std::vector< RangeData > &range_data, MemoryState &memory_state, int32_t priority, String *trace)
void assign_priorities_user(std::vector< RangeData > &range_data, LoadStatistics::Bundle &load_stats, MemoryState &memory_state, int32_t &priority, String *trace)
Memory freeing algorithm:
Hypertable definitions
void assign_priorities_all(std::vector< RangeData > &range_data, CommitLogPtr &log, int64_t prune_threshold, MemoryState &memory_state, int32_t &priority, String *trace)
Memory freeing algorithm:
std::shared_ptr< CommitLog > CommitLogPtr
Smart pointer to CommitLog.
Definition: CommitLog.h:223