Wiki / Configuration Parameters
vacuum_cost_page_hit
The estimated cost for vacuuming a buffer found in the shared buffer cache. It represents the cost to lock the buffer pool, lookup the shared hash table and scan the content of the page. The default value is 1.
English manual coverage begins with PostgreSQL 7.4. Source history and runtime observations have their own recorded version boundaries.
Reading PG 18·Select a recorded version
- boot val
- 1
- category
- Vacuuming / Cost-Based Vacuum Delay
- context
- user
- doc same as
- Unknown
- documented
- true
- enumvals
- Unknown
- extra desc
- Unknown
- lang
- en
- max val
- 10000
- metadata version
- 18
- min val
- 0
- name
- vacuum_cost_page_hit
- short desc
- Vacuum cost for a page found in the buffer cache.
- source
- pg-settings-source-snapshot
- unit
- Unknown
- vartype
- integer
Definition PG 18
The estimated cost for vacuuming a buffer found in the shared
buffer cache. It represents the cost to lock the buffer pool,
lookup the shared hash table and scan the content of the page.
The default value is 1.
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Complete source facts
doc html
<p>
The estimated cost for vacuuming a buffer found in the shared
buffer cache. It represents the cost to lock the buffer pool,
lookup the shared hash table and scan the content of the page.
The default value is <code class="literal">1</code>.
</p>documentation revision
{"inputs":[{"file":"runtime-config-vacuum.html","kind":"same-version-reviewed-manual","locale":"en","sha256":"599d3819c5fa60f160ba633df604ee9afd85549ffad2ae2fb0c3132a00d47417","version":"18.7"},{"file":"runtime-config-vacuum.html","kind":"same-version-reviewed-manual","locale":"zh-Hans","sha256":"b835e4b6c446cfdaf673750aba29ba28fc55ef6cc0c531558c1e394fdc05a140","version":"18.7"}],"release":"18.7","runtime_remeasured":false,"source_revision":"pgdoc:b9f0e7232f60f380d642ac9b99226606c254b552"}Source references
Full definition and evidence JSON
Definition sources
center · PostgreSQL 18 · wiki-repair-20261023:a6b61df7257dae9bd7b46a66fd0d212684cde18b51c6c4967757e3c433e1e723
Text language: en · wiki-repair-20261023:a6b61df7257dae9bd7b46a66fd0d212684cde18b51c6c4967757e3c433e1e723