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

SUMMARY_STATIO_ALL_TABLES

SUMMARY_STATIO_ALL_TABLES contains I/O statistics about each table (including TOAST tables) in databases in the database, as described in Table 1.

Table 1 SUMMARY_STATIO_ALL_TABLES columns

Name

Type

Description

schemaname

name

Name of the schema that contains the table.

relname

name

Table name.

heap_blks_read

numeric

Number of disk blocks read from the table.

heap_blks_hit

numeric

Number of cache hits in the table.

idx_blks_read

numeric

Number of disk blocks read from all indexes in the table.

idx_blks_hit

numeric

Number of cache hits in indexes in the table.

toast_blks_read

numeric

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

toast_blks_hit

numeric

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

tidx_blks_read

numeric

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

tidx_blks_hit

numeric

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 table in the view is updated for the last time.