SUMMARY_STATIO_ALL_TABLES

SUMMARY_STATIO_ALL_TABLES displays a summary of the I/O status information about each table (including TOAST tables) of each node in the database.

**Table 1** SUMMARY_STATIO_ALL_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 all indexes in the table.
idx_blks_hit	numeric	Number of cache hits of all indexes in this 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 table indexes (if any) in the table.
tidx_blks_hit	numeric	Number of buffer-hits in the TOAST table indexes (if any) in the table.