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Updated on 2025-08-19 GMT+08:00
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FILE_REDO_IOSTAT

Records statistics about redo logs (WALs) on the current node, as described in Table 1.

Table 1 FILE_REDO_IOSTAT columns

Name

Type

Description

phywrts

bigint

Number of times writing into the WAL buffer.

phyblkwrt

bigint

Number of blocks written into the WAL buffer.

writetim

bigint

Duration of writing into Xlog files (unit: μs).

avgiotim

bigint

Average duration of writing into Xlog files (unit: μs). avgiotim = writetim/phywrts.

lstiotim

bigint

Duration of the last writing into Xlog files (unit: μs).

miniotim

bigint

Minimum duration of writing into Xlog files (unit: μs).

maxiowtm

bigint

Maximum duration of writing into Xlog files (unit: μs).
Parent topic: File