Updated on 2024-06-03 GMT+08:00

STATIO_SYS_TABLES

STATIO_SYS_TABLES displays I/O status information about all system catalogs in the current namespace, as described in Table 1.

Table 1 STATIO_SYS_TABLES columns

Name

Type

Description

relid

oid

Table OID.

schemaname

name

Name of the schema that contains the table.

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 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 TOAST tables (if any) in the table.

toast_blks_hit

bigint

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

tidx_blks_read

bigint

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

tidx_blks_hit

bigint

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

last_updated

timestamp with time zone

Time when the monitoring data of the object in the view is updated for the last time.