PG_STATIO_SYS_INDEXES¶
PG_STATIO_SYS_INDEXES displays the I/O status information about all system catalog indexes in the namespace.
Name | Type | Description |
---|---|---|
relid | oid | Table OID for the index |
indexrelid | oid | Index OID |
schemaname | name | Schema name for the index |
relname | name | Table name for the index |
indexrelname | name | Index name |
idx_blks_read | bigint | Number of disk blocks read from this index |
idx_blks_hit | bigint | Number of buffer hits in this index |