后台检查点进程
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.
No translation of this description is recorded. The original Chinese description is shown. The source label is retained in Chinese; no translated label is recorded.
性能
Description
原来后台写入进程负责写入检查点，但现在已将其移至单独的进程，后台写入进程现在仅负责将脏页写入磁盘。这带来了与性能和功耗降低相关的优势。
Selected version: PostgreSQL 18
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Original documentation links
Related source snapshot entry · The original source supplies this relationship; each matrix retains its own states.
Complete source facts and provenance
legacy · center · 511e9dd19e16ac631500deeb6321a1976694c7ceef289057f4cdcc4de7b952e9
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