PG_STATIO_USER_TABLES
PG_STATIO_USER_TABLES displays I/O status information about all the user relationship tables in the namespace.
| Name | Type | Description |
|---|---|---|
| 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 the index in the table |
| idx_blks_hit | bigint | Number of cache hits in the table |
| toast_blks_read | bigint | Number of disk blocks read from the TOAST table (if any) in the table |
| toast_blks_hit | bigint | Number of buffer hits in the TOAST table (if any) in the table |
| tidx_blks_read | bigint | Number of disk blocks read from the TOAST table index (if any) in the table |
| tidx_blks_hit | bigint | Number of buffer-hits in the TOAST table index (if any) in the table |
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