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Time elapsed between flushing recent WAL locally and receiving notification that this standby server has written it (but not yet flushed it or applied it). This can be used to gauge the delay that synchronous_commit level remote_write incurred while committing if this server was configured as a synchronous standby.

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_replication

Field

write_lag

SQL type

interval

Units named in the field definition

Not specified

Reset observation

No stats_reset field is documented for this view

documented

true

field

write_lag

manual path

/docs/18/monitoring-stats.html

signature

SELECT write_lag FROM pg_catalog.pg_stat_replication;

source only

false

sql type

interval

units mentioned

未知

view

pg_stat_replication