Updated on 2025-07-22 GMT+08:00

SUMMARY_STATIO_USER_TABLES

SUMMARY_STATIO_USER_TABLES displays a summary of I/O status information about user relationship tables of each node in the database.

Table 1 SUMMARY_STATIO_USER_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 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