blob: d1758cbb4cdcabaee202344a78c90a825d187589 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
// 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).
#pragma once
#include "rocksdb/table.h"
#include "util/gflags_compat.h"
#include "util/random.h"
DECLARE_int32(mark_for_compaction_one_file_in);
namespace ROCKSDB_NAMESPACE {
// A `DbStressTablePropertiesCollector` ignores what keys/values were added to
// the table, adds no properties to the table, and decides at random whether the
// table will be marked for compaction according to
// `FLAGS_mark_for_compaction_one_file_in`.
class DbStressTablePropertiesCollector : public TablePropertiesCollector {
public:
DbStressTablePropertiesCollector()
: need_compact_(Random::GetTLSInstance()->OneInOpt(
FLAGS_mark_for_compaction_one_file_in)) {}
virtual Status AddUserKey(const Slice& /* key */, const Slice& /* value */,
EntryType /*type*/, SequenceNumber /*seq*/,
uint64_t /*file_size*/) override {
return Status::OK();
}
virtual Status Finish(UserCollectedProperties* /* properties */) override {
return Status::OK();
}
virtual UserCollectedProperties GetReadableProperties() const override {
return UserCollectedProperties{};
}
virtual const char* Name() const override {
return "DbStressTablePropertiesCollector";
}
virtual bool NeedCompact() const override { return need_compact_; }
private:
const bool need_compact_;
};
// A `DbStressTablePropertiesCollectorFactory` creates
// `DbStressTablePropertiesCollectorFactory`s.
class DbStressTablePropertiesCollectorFactory
: public TablePropertiesCollectorFactory {
public:
virtual TablePropertiesCollector* CreateTablePropertiesCollector(
TablePropertiesCollectorFactory::Context /* context */) override {
return new DbStressTablePropertiesCollector();
}
virtual const char* Name() const override {
return "DbStressTablePropertiesCollectorFactory";
}
};
} // namespace ROCKSDB_NAMESPACE
|
