↑↓ 选择↵ 打开⌫ 切换范围完整搜索

PG.CENTER 连接 PostgreSQL 文档、百科与生态知识。由 Pigsty 维护。

Wiki / 版本

WAL 缓冲区自动调优

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。

性能

说明

wal_buffers 现在默认根据 shared_buffers 的大小自动调优

所选版本: PostgreSQL 18

支持

比较版本

原始文档链接

已记录旧标识: 204

完整来源事实与出处

yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd

{
  "Key": "wal-buffer-auto-tuning",
  "SourceKind": "yaml",
  "SourceDatabase": "center",
  "SourceTable": "featurematrix.yaml",
  "SourceKey": "WAL Buffer auto-tuning",
  "SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
  "Name": "WAL Buffer auto-tuning",
  "NameLocale": "en",
  "GroupKey": "performance",
  "GroupName": "Performance",
  "GroupLocale": "en",
  "Ordinal": 53,
  "GroupOrder": 5,
  "Facts": {
    "feature": {
      "description": "wal_buffers is now auto-tuned by default based on the size of shared_buffers",
      "name": "WAL Buffer auto-tuning",
      "versions": {
        "9.1": "Yes"
      }
    },
    "group": "Performance",
    "versions": {
      "max": 18,
      "min": 8.1
    }
  },
  "Cells": [
    {
      "Version": "10",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "11",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "12",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "13",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "14",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "15",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "16",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "17",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "18",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "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": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.2",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.3",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.4",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.5",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.6",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "9.1",
      "Supported": true,
      "Original": "Yes"
    }
  ],
  "Texts": [
    {
      "Locale": "en",
      "Title": "WAL Buffer auto-tuning",
      "BodyHTML": "\u003cp\u003ewal_buffers is now auto-tuned by default based on the size of shared_buffers\u003c/p\u003e\n",
      "SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
      "ContentHash": "e202c34dab0985b1d946d4232b46cd03188787829a4ffa40a08b7f1008600dad",
      "Payload": {
        "description": "wal_buffers is now auto-tuned by default based on the size of shared_buffers",
        "name": "WAL Buffer auto-tuning",
        "versions": {
          "9.1": "Yes"
        }
      }
    },
    {
      "Locale": "zh-Hans",
      "Title": "WAL 缓冲区自动调优",
      "BodyHTML": "\u003cp\u003ewal_buffers 现在默认根据 shared_buffers 的大小自动调优\u003c/p\u003e\n",
      "SourceHash": "071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50",
      "ContentHash": "40c0c1e9d03492a0c01f69c86d89199f3efb6ccacf81056ca579040456b7474d",
      "Payload": {
        "description": "wal_buffers 现在默认根据 shared_buffers 的大小自动调优",
        "name": "WAL 缓冲区自动调优"
      }
    }
  ],
  "GroupTitles": {
    "en": "Performance",
    "zh-Hans": "性能"
  },
  "LegacyIDs": [
    "204"
  ]
}

完整来源数据 JSON