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PG_STATIO_USER_TABLES

Updated at: Jul 15, 2020 GMT+08:00

PG_STATIO_USER_TABLES displays the I/O status information about all the user relation tables in the namespace.

Table 1 PG_STATIO_USER_TABLES columns

Name

Type

Description

relid

oid

OID of this table

schemaname

name

Name of the schema this table is in

relname

name

Table name

heap_blks_read

bigint

Number of disk blocks read from this table

heap_blks_hit

bigint

Number of cache hits in this table

idx_blks_read

bigint

Number of disk blocks read from the index in this table

idx_blks_hit

bigint

Number of cache hits in this table

toast_blks_read

bigint

Number of disk blocks read from the toast table (if any) in this table

toast_blks_hit

bigint

Number of buffer-hits in the toast table (if any) in this table

tidx_blks_read

bigint

Number of disk blocks read from the toast table index (if any) in this table

tidx_blks_hit

bigint

Number of buffer-hits in the toast table index (if any) in this table

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