PG_STATIO_USER_TABLES
PG_STATIO_USER_TABLES displays the I/O status information about all the user relation tables in the namespace.
Column | Type | Description |
|---|---|---|
relid | OID | Table OID |
schemaname | Name | Schema name of the table |
relname | Name | Name of a table |
heap_blks_read | Bigint | Number of disk blocks read from this table |
heap_blks_hit | Bigint | Number of buffer 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 buffer hits in all indexes on 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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