同步复制
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.
备份、恢复、数据完整性和复制
Description
允许主服务器在确认提交之前等待备用服务器将事务信息写入磁盘。通过 synchronous_standby_names 设置控制，一次可以有一个备用服务器担任同步备用服务器的角色。可以使用 synchronous_commit 设置按事务启用或禁用同步复制。
Selected version: PostgreSQL 18
No
Compare versions
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 · d2075133a82fcc93b00bb726e89738c449a25760314ebcd02e69623dd7e0a363
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