min_wal_size / max_wal_size
Recorded source states and original language descriptions. Missing version evidence stays unknown.
The source snapshot records transitions for PostgreSQL 8.1–18. The historical matrix records independent cells for 7.4–18. Neither records support for PostgreSQL 19 or 20; newer versions remain unknown. These source claims are distinct from runtime measurements.
Backup, Restore, & Data Integrity
Description
Replaces checkpoint_segments parameter.
For more information, please see the WAL configuration documentation.
Selected version: PostgreSQL 18
Yes
Compare versions
Original documentation links
Recorded legacy identifiers: 280
Complete source facts and provenance
yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd
{
"Key": "min_wal_size-max_wal_size",
"SourceKind": "yaml",
"SourceDatabase": "center",
"SourceTable": "featurematrix.yaml",
"SourceKey": "min_wal_size / max_wal_size",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"Name": "min_wal_size / max_wal_size",
"NameLocale": "en",
"GroupKey": "backup-restore-data-integrity",
"GroupName": "Backup, Restore, \u0026 Data Integrity",
"GroupLocale": "en",
"Ordinal": 6,
"GroupOrder": 10,
"Facts": {
"feature": {
"description": "Replaces `checkpoint_segments` parameter.\r\n\r\nFor more information, please see the [WAL configuration](https://www.postgresql.org/docs/current/wal-configuration.html) documentation.",
"name": "min_wal_size / max_wal_size",
"versions": {
"9.5": "Yes"
}
},
"group": "Backup, Restore, \u0026 Data Integrity",
"versions": {
"max": 18,
"min": 8.1
}
},
"Cells": [
{
"Version": "10",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
},
{
"Version": "11",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
},
{
"Version": "12",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
},
{
"Version": "13",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
},
{
"Version": "14",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
},
{
"Version": "15",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
},
{
"Version": "16",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
},
{
"Version": "17",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
},
{
"Version": "18",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
},
{
"Version": "8.1",
"State": "no",
"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "8.2",
"State": "no",
"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "8.3",
"State": "no",
"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "8.4",
"State": "no",
"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.0",
"State": "no",
"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",
"State": "no",
"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",
"State": "no",
"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.5",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.6",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.5",
"Supported": true,
"Original": "Yes"
}
],
"Texts": [
{
"Locale": "en",
"Title": "min_wal_size / max_wal_size",
"BodyHTML": "\u003cp\u003eReplaces \u003ccode\u003echeckpoint_segments\u003c/code\u003e parameter.\u003c/p\u003e\n\u003cp\u003eFor more information, please see the \u003ca href=\"https://www.postgresql.org/docs/current/wal-configuration.html\" rel=\"nofollow\"\u003eWAL configuration\u003c/a\u003e documentation.\u003c/p\u003e\n",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"ContentHash": "dd125f1421134d9fc9200cc7f67fe7c0f9372d8f97f3c004232e149650c6d2c7",
"Payload": {
"description": "Replaces `checkpoint_segments` parameter.\r\n\r\nFor more information, please see the [WAL configuration](https://www.postgresql.org/docs/current/wal-configuration.html) documentation.",
"name": "min_wal_size / max_wal_size",
"versions": {
"9.5": "Yes"
}
}
},
{
"Locale": "zh-Hans",
"Title": "min_wal_size / max_wal_size",
"BodyHTML": "\u003cp\u003e替代 \u003ccode\u003echeckpoint_segments\u003c/code\u003e 参数。\u003c/p\u003e\n\u003cp\u003e更多信息请参阅 \u003ca href=\"https://www.postgresql.org/docs/current/wal-configuration.html\" rel=\"nofollow\"\u003eWAL 配置\u003c/a\u003e 文档。\u003c/p\u003e\n",
"SourceHash": "071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50",
"ContentHash": "61544e0cd3412efa9aa144f7d6e08fe9eef4afa23c06e46ed0c6429a801c6e50",
"Payload": {
"description": "替代 `checkpoint_segments` 参数。\n\n更多信息请参阅 [WAL 配置](https://www.postgresql.org/docs/current/wal-configuration.html) 文档。",
"name": "min_wal_size / max_wal_size"
}
}
],
"GroupTitles": {
"en": "Backup, Restore, \u0026 Data Integrity",
"zh-Hans": "备份、恢复和数据完整性"
},
"LegacyIDs": [
"280"
]
}