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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/**
* Copyright (C) 2023-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <boost/optional.hpp>
#include "mongo/base/status.h"
#include "mongo/bson/bsonobj.h"
#include "mongo/logv2/log.h"
#include "mongo/platform/mutex.h"
#include "mongo/util/time_support.h"
namespace mongo {
namespace repl {
static constexpr StringData kInsertOnExistingDocMsg = "attempted to insert on existing doc"_sd;
static constexpr StringData kUpdateOnMissingDocMsg =
"ran update as upsert and failed to match any documents"_sd;
static constexpr StringData kDeleteWasEmptyMsg = "applied a delete that did not delete anything"_sd;
static constexpr StringData kDeleteOnMissingNs = "applied a delete on missing namespace"_sd;
static constexpr StringData kAcceptableErrorInCommand =
"received an acceptable error during oplog application"_sd;
enum class OplogConstraintViolationEnum {
kInsertOnExistingDoc = 0,
kUpdateOnMissingDoc,
kDeleteWasEmpty,
kDeleteOnMissingNs,
kAcceptableErrorInCommand,
NUM_VIOLATION_TYPES,
};
// Returns a string describing the constraint violation of the given type.
StringData toString(OplogConstraintViolationEnum type);
/**
* Logs oplog constraint violation occurrences.
*
* To avoid flooding the logs if continuous oplog constraint violations occur, we will only log
* once every 10 minutes per each oplog constraint violation type.
*/
class OplogConstraintViolationLogger {
public:
// Minimum period of time before logging another warning log message, set to 10min.
static const Seconds kPeriodicLogTimeout;
void logViolationIfReady(OplogConstraintViolationEnum type,
const BSONObj& obj,
boost::optional<Status> status);
private:
mutable Mutex _mutex = MONGO_MAKE_LATCH("OplogConstraintViolationLogger::mutex");
std::vector<Date_t> _lastLogTimes = std::vector<Date_t>(
static_cast<int>(OplogConstraintViolationEnum::NUM_VIOLATION_TYPES)); // (M)
};
} // namespace repl
} // namespace mongo
|
