pg_stat_io.writeback_time
Time spent waiting for writeback operations in milliseconds (if track_io_timing is enabled, otherwise zero). This includes the time spent queueing write-out requests and, potentially, the time spent to write out the dirty data.
当前阅读 PG 18·选择有来源记录的版本
此版本暂无所选语言的定义，以下显示原始英文内容。
- View
- pg_stat_io
- Field
- writeback_time
- SQL type
- double precision
- Units named in the field definition
- milliseconds
- Reset observation
- Time at which these statistics were last reset.
- documented
- true
- field
- writeback_time
- manual path
- /docs/18/monitoring-stats.html
- signature
- SELECT writeback_time FROM pg_catalog.pg_stat_io;
- source only
- false
- sql type
- double precision
- units mentioned
- milliseconds
- view
- pg_stat_io
版本定义 PG 18
Time spent waiting for writeback operations in milliseconds (if track_io_timing is enabled, otherwise zero). This includes the time spent queueing write-out requests and, potentially, the time spent to write out the dirty data.
比较版本
来源引用
定义来源
center · PostgreSQL 18 · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f
正文语言: en · 555610c24d53e4316da5b7d3fc25c279d96856d5e0e23ee308c328c5fa881d9f