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

SUMMARY_STATIO_USER_TABLES

SUMMARY_STATIO_USER_TABLES displays I/O status information about all user relationship tables in namespaces in the cluster, as described in Table 1.

Table 1 SUMMARY_STATIO_USER_TABLES columns

Name

Type

Description

schemaname

name

Name of the schema that the table is in.

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 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 TOAST tables (if any) in the table.

toast_blks_hit

numeric

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

tidx_blks_read

numeric

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

tidx_blks_hit

numeric

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