GLOBAL_STATIO_SYS_TABLES

node_name

name

Node name

relid

oid

Table OID

schemaname

name

Name of the schema that the table is in

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