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Updated on 2024-05-07 GMT+08:00
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GLOBAL_FILE_IOSTAT

Displays the data file I/O statistics of all nodes in the database.

Table 1 GLOBAL_FILE_IOSTAT columns

Name

Type

Description

node_name

name

Node name.

filenum

oid

File ID.

dbid

oid

Database ID.

spcid

oid

Tablespace ID.

phyrds

bigint

Number of times of reading physical files.

phywrts

bigint

Number of times of writing into physical files.

phyblkrd

bigint

Number of times of reading physical file blocks.

phyblkwrt

bigint

Number of times of writing into physical file blocks.

readtim

bigint

Total duration of reading (unit: μs).

writetim

bigint

Total duration of writing (unit: μs).

avgiotim

bigint

Average duration of reading and writing (unit: μs).

lstiotim

bigint

Duration of the last file reading (unit: μs).

miniotim

bigint

Minimum duration of reading and writing (unit: μs).

maxiowtm

bigint

Maximum duration of reading and writing (unit: μs).
Parent topic: File