多个同步备库
已记录的来源状态与原始语言说明；缺少版本证据时明确标为未知。
来源快照记录 PostgreSQL 8.1–18 的变化节点；历史矩阵独立记录 7.4–18 的状态。两者均未记录 PostgreSQL 19 或 20 的支持状态，较新版本明确保留为未知。这些来源声明与运行测量相互独立。
备份、恢复和数据完整性
说明
在提交同步事务时，能够要求多个优先级备库确认同步消息。
所选版本: PostgreSQL 18
支持
比较版本
原始文档链接
已记录旧标识: 285
完整来源事实与出处
yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd
{
"Key": "multiple-synchronous-standbys",
"SourceKind": "yaml",
"SourceDatabase": "center",
"SourceTable": "featurematrix.yaml",
"SourceKey": "Multiple synchronous standbys",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"Name": "Multiple synchronous standbys",
"NameLocale": "en",
"GroupKey": "backup-restore-data-integrity",
"GroupName": "Backup, Restore, \u0026 Data Integrity",
"GroupLocale": "en",
"Ordinal": 7,
"GroupOrder": 10,
"Facts": {
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"description": "Ability to require synch messages from multiple prioritized standbys when committing a synchronous transaction.",
"name": "Multiple synchronous standbys",
"versions": {
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}
},
"group": "Backup, Restore, \u0026 Data Integrity",
"versions": {
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},
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"Original": "Yes"
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{
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"Supported": true,
"Original": "Yes"
},
{
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},
{
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"Supported": true,
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},
{
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},
{
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"Supported": true,
"Original": "Yes"
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{
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},
{
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"Supported": true,
"Original": "Yes"
},
{
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{
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},
{
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"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
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"Supported": false,
"Original": "No"
},
{
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"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.0",
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"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.1",
"State": "no",
"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.2",
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"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.3",
"State": "no",
"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.4",
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"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.5",
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"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.6",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.6",
"Supported": true,
"Original": "Yes"
}
],
"Texts": [
{
"Locale": "en",
"Title": "Multiple synchronous standbys",
"BodyHTML": "\u003cp\u003eAbility to require synch messages from multiple prioritized standbys when committing a synchronous transaction.\u003c/p\u003e\n",
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"versions": {
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{
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"Title": "多个同步备库",
"BodyHTML": "\u003cp\u003e在提交同步事务时，能够要求多个优先级备库确认同步消息。\u003c/p\u003e\n",
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"GroupTitles": {
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"zh-Hans": "备份、恢复和数据完整性"
},
"LegacyIDs": [
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]
}