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pg_stat_wal.wal_sync_time

Total amount of time spent syncing WAL files to disk via issue_xlog_fsync request, in milliseconds (if track_wal_io_timing is enabled, fsync is on, and wal_sync_method is either fdatasync, fsync or fsync_writethrough, otherwise zero).

当前阅读 PG 17·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_wal
Field
wal_sync_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
wal_sync_time
manual path
/docs/17/monitoring-stats.html
signature
SELECT wal_sync_time FROM pg_catalog.pg_stat_wal;
source only
false
sql type
double precision
units mentioned
milliseconds
view
pg_stat_wal

版本定义 PG 17

Total amount of time spent syncing WAL files to disk via issue_xlog_fsync request, in milliseconds (if track_wal_io_timing is enabled, fsync is on, and wal_sync_method is either fdatasync, fsync or fsync_writethrough, otherwise zero).

比较版本

来源引用

完整定义与证据 JSON

定义来源

center · PostgreSQL 17 · dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979

正文语言: en · dd27f2b3c59e73ed14aa3324901242bf69a032a6347805f274e6260322d42979