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PG.CENTER connects PostgreSQL documentation, reference, and ecosystem knowledge. Maintained by Pigsty.

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Synchronized sequential scanning

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.

Performance

Description

enabled sequential scans to piggyback on concurrently running scans

Selected version: PostgreSQL 18

Yes

20191817161514131211109.69.59.49.39.29.19.08.48.38.28.18.07.4
UnknownUnknownYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesNoNoUnknownUnknown

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Original documentation links

Recorded legacy identifiers: 26

Complete source facts and provenance

yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd

{
  "Key": "synchronized-sequential-scanning",
  "SourceKind": "yaml",
  "SourceDatabase": "center",
  "SourceTable": "featurematrix.yaml",
  "SourceKey": "Synchronized sequential scanning",
  "SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
  "Name": "Synchronized sequential scanning",
  "NameLocale": "en",
  "GroupKey": "performance",
  "GroupName": "Performance",
  "GroupLocale": "en",
  "Ordinal": 49,
  "GroupOrder": 5,
  "Facts": {
    "feature": {
      "description": "enabled sequential scans to piggyback on concurrently running scans",
      "name": "Synchronized sequential scanning",
      "versions": {
        "8.3": "Yes"
      }
    },
    "group": "Performance",
    "versions": {
      "max": 18,
      "min": 8.1
    }
  },
  "Cells": [
    {
      "Version": "10",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "11",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "12",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "13",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "14",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "15",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "16",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "17",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "18",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "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": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "8.4",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.0",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.1",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.2",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.3",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.4",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.5",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    },
    {
      "Version": "9.6",
      "State": "yes",
      "EvidenceKind": "yaml-transition",
      "TransitionVersion": "8.3",
      "Supported": true,
      "Original": "Yes"
    }
  ],
  "Texts": [
    {
      "Locale": "en",
      "Title": "Synchronized sequential scanning",
      "BodyHTML": "\u003cp\u003eenabled sequential scans to piggyback on concurrently running scans\u003c/p\u003e\n",
      "SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
      "ContentHash": "8f591ab5e902b2701efe351b3d92ba6f9fe621d9d35d0300bd53cc80816d127b",
      "Payload": {
        "description": "enabled sequential scans to piggyback on concurrently running scans",
        "name": "Synchronized sequential scanning",
        "versions": {
          "8.3": "Yes"
        }
      }
    },
    {
      "Locale": "zh-Hans",
      "Title": "同步顺序扫描",
      "BodyHTML": "\u003cp\u003e允许顺序扫描搭载在并发运行的扫描上\u003c/p\u003e\n",
      "SourceHash": "071091951021357a5f492adb04caed6febf4d315ac2626ca027a48dd8ec01d50",
      "ContentHash": "4c794060b4ee1d8ed568ffe9ac8b9b05639d486aac13608e2e2f96cc0eff6a96",
      "Payload": {
        "description": "允许顺序扫描搭载在并发运行的扫描上",
        "name": "同步顺序扫描"
      }
    }
  ],
  "GroupTitles": {
    "en": "Performance",
    "zh-Hans": "性能"
  },
  "LegacyIDs": [
    "26"
  ]
}

Complete source data JSON