Support for anonymous shared memory
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.
Backend
Description
Previously sizing shared memory often required adjusting kernel parameters to accommodate the change. This is no longer necessary.
Selected version: PostgreSQL 18
Yes
Compare versions
Original documentation links
Recorded legacy identifiers: 240
Complete source facts and provenance
yaml · center · 1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd
{
"Key": "support-for-anonymous-shared-memory",
"SourceKind": "yaml",
"SourceDatabase": "center",
"SourceTable": "featurematrix.yaml",
"SourceKey": "Support for anonymous shared memory",
"SourceHash": "1dd22bf9a7f3ec325b894e2836fda535a25529f246a94dd41d6abbfe9997f7fd",
"Name": "Support for anonymous shared memory",
"NameLocale": "en",
"GroupKey": "backend",
"GroupName": "Backend",
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"Ordinal": 17,
"GroupOrder": 0,
"Facts": {
"feature": {
"description": "Previously sizing shared memory often required adjusting kernel parameters to accommodate the change. This is no longer necessary.",
"name": "Support for anonymous shared memory",
"versions": {
"9.3": "Yes"
}
},
"group": "Backend",
"versions": {
"max": 18,
"min": 8.1
}
},
"Cells": [
{
"Version": "10",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.3",
"Supported": true,
"Original": "Yes"
},
{
"Version": "11",
"State": "yes",
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"TransitionVersion": "9.3",
"Supported": true,
"Original": "Yes"
},
{
"Version": "12",
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"Original": "Yes"
},
{
"Version": "13",
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"Supported": true,
"Original": "Yes"
},
{
"Version": "14",
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"Original": "Yes"
},
{
"Version": "15",
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"Supported": true,
"Original": "Yes"
},
{
"Version": "16",
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"EvidenceKind": "yaml-transition",
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"Original": "Yes"
},
{
"Version": "17",
"State": "yes",
"EvidenceKind": "yaml-transition",
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"Supported": true,
"Original": "Yes"
},
{
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"Original": "Yes"
},
{
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"TransitionVersion": "",
"Supported": false,
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},
{
"Version": "8.2",
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"Supported": false,
"Original": "No"
},
{
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"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "8.4",
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"EvidenceKind": "yaml-default-no",
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"Supported": false,
"Original": "No"
},
{
"Version": "9.0",
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"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.1",
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"Supported": false,
"Original": "No"
},
{
"Version": "9.2",
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"EvidenceKind": "yaml-default-no",
"TransitionVersion": "",
"Supported": false,
"Original": "No"
},
{
"Version": "9.3",
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"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.3",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.4",
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"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.3",
"Supported": true,
"Original": "Yes"
},
{
"Version": "9.5",
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"TransitionVersion": "9.3",
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},
{
"Version": "9.6",
"State": "yes",
"EvidenceKind": "yaml-transition",
"TransitionVersion": "9.3",
"Supported": true,
"Original": "Yes"
}
],
"Texts": [
{
"Locale": "en",
"Title": "Support for anonymous shared memory",
"BodyHTML": "\u003cp\u003ePreviously sizing shared memory often required adjusting kernel parameters to accommodate the change. This is no longer necessary.\u003c/p\u003e\n",
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"name": "Support for anonymous shared memory",
"versions": {
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},
{
"Locale": "zh-Hans",
"Title": "匿名共享内存支持",
"BodyHTML": "\u003cp\u003e以前调整共享内存大小通常需要调整内核参数来适应变化。现在不再需要了。\u003c/p\u003e\n",
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}
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],
"GroupTitles": {
"en": "Backend",
"zh-Hans": "后端"
},
"LegacyIDs": [
"240"
]
}