PG_STATIO_SYS_TABLES

PG_STATIO_SYS_TABLES shows I/O status information about all the system catalogs in the namespace.

Table 1 PG_STATIO_SYS_TABLES columns

Name

Type

Description

relid

oid

Table OID

schemaname

name

Name of the schema the table is in

relname

name

Table name

heap_blks_read

bigint

Number of disk blocks read from the table

heap_blks_hit

bigint

Number of cache hits in the table

idx_blks_read

bigint

Number of disk blocks read from all indexes in the table

idx_blks_hit

bigint

Number of cache hits in indexes in the table

toast_blks_read

bigint

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

toast_blks_hit

bigint

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

tidx_blks_read

bigint

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

tidx_blks_hit

bigint

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

Feedback
编组 3备份
    openGauss 2024-07-13 01:01:39
    cancel