doc-exports/docs/dws/dev/dws_04_0782.html
Lu, Huayi e6fa411af0 DWS DEV 830.201 version
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2024-05-16 07:24:04 +00:00

8.4 KiB

PG_STATIO_USER_TABLES

PG_STATIO_USER_TABLES displays the I/O status information about all the user relation tables in the namespace.

Table 1 PG_STATIO_USER_TABLES columns

Name

Type

Description

relid

oid

Table OID

schemaname

name

Schema name of the table

relname

name

Name of a table

heap_blks_read

bigint

Number of disks read from this table

heap_blks_hit

bigint

Number of buffer hits in this table

idx_blks_read

bigint

Number of disk blocks read from the index in this table

idx_blks_hit

bigint

Number of buffer hits in all indexes on this table

toast_blks_read

bigint

Number of disk blocks read from the TOAST table (if any) in this table

toast_blks_hit

bigint

Number of buffer hits in the TOAST table (if any) in this table

tidx_blks_read

bigint

Number of disk blocks read from the TOAST table index (if any) in this table

tidx_blks_hit

bigint

Number of buffer hits in the TOAST table index (if any) in this table