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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
|
description: "Record max setVersion, even from primary without electionId"
uri: "mongodb://a/?replicaSet=rs"
phases: [
# Primary A has setVersion and electionId, tells us about B.
{
responses: [
["a:27017", {
ok: 1,
ismaster: true,
hosts: ["a:27017", "b:27017"],
setName: "rs",
setVersion: 1,
electionId: {"$oid": "000000000000000000000001"},
minWireVersion: 0,
maxWireVersion: 6
}]
],
outcome: {
servers: {
"a:27017": {
type: "RSPrimary",
setName: "rs",
setVersion: 1,
electionId: {"$oid": "000000000000000000000001"}
},
"b:27017": {
type: "Unknown",
setName: ,
electionId:
}
},
topologyType: "ReplicaSetWithPrimary",
logicalSessionTimeoutMinutes: null,
setName: "rs",
maxSetVersion: 1,
maxElectionId: {"$oid": "000000000000000000000001"},
}
},
# Reconfig the set and elect B, it has a new setVersion but no electionId.
{
responses: [
["b:27017", {
ok: 1,
ismaster: true,
hosts: ["a:27017", "b:27017"],
setName: "rs",
setVersion: 2,
minWireVersion: 0,
maxWireVersion: 6
}]
],
outcome: {
servers: {
"a:27017": {
type: "Unknown",
setName: ,
electionId:
},
"b:27017": {
type: "RSPrimary",
setName: "rs",
setVersion: 2
}
},
topologyType: "ReplicaSetWithPrimary",
logicalSessionTimeoutMinutes: null,
setName: "rs",
maxSetVersion: 2,
maxElectionId: {"$oid": "000000000000000000000001"},
}
},
# Delayed response from A, reporting its reelection. Its setVersion shows
# the election preceded B's so we ignore it.
{
responses: [
["a:27017", {
ok: 1,
ismaster: true,
hosts: ["a:27017", "b:27017"],
setName: "rs",
setVersion: 1,
electionId: {"$oid": "000000000000000000000002"},
minWireVersion: 0,
maxWireVersion: 6
}]
],
outcome: {
servers: {
"a:27017": {
type: "Unknown",
setName: ,
electionId:
},
"b:27017": {
type: "RSPrimary",
setName: "rs",
setVersion: 2
}
},
topologyType: "ReplicaSetWithPrimary",
logicalSessionTimeoutMinutes: null,
setName: "rs",
maxSetVersion: 2,
maxElectionId: {"$oid": "000000000000000000000001"},
}
}
]
|
