GS_ROW_TABLE_IO_STAT
GS_ROW_TABLE_IO_STAT displays the I/O of all row-store tables of the database on the current node. The value of each statistical column is the accumulated value since the instance was started.
Column | Type | Description |
|---|---|---|
schemaname | Name | Namespace of a table |
relname | Name | Name of a table |
heap_read | Bigint | Number of blocks logically read in the heap |
heap_hit | Bigint | Number of block hits in the heap |
idx_read | Bigint | Number of blocks logically read in the index |
idx_hit | Bigint | Number of block hits in the index |
toast_read | Bigint | Number of blocks logically read in the TOAST table |
toast_hit | Bigint | Number of block hits in the TOAST table |
tidx_read | Bigint | Number of indexes logically read in the TOAST table |
tidx_hit | Bigint | Number of index hits in the TOAST table |
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