SUMMARY_STATIO_USER_TABLES
SUMMARY_STATIO_USER_TABLES displays I/O status information about all user relationship tables in namespaces in openGauss.
Table 1 SUMMARY_STATIO_USER_TABLES columns
Name | Type | Description |
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schemaname | name | Name of the schema that contains the table |
relname | name | Table name |
heap_blks_read | numeric | Number of disk blocks read from the table |
heap_blks_hit | numeric | Number of cache hits in the table |
idx_blks_read | numeric | Number of disk blocks read from all indexes in the table |
idx_blks_hit | numeric | Number of cache hits in the table |
toast_blks_read | numeric | Number of disk blocks read from the TOAST table (if any) in the table |
toast_blks_hit | numeric | Number of buffer hits in the TOAST table (if any) in the table |
tidx_blks_read | numeric | Number of disk blocks read from the TOAST table index (if any) in the table |
tidx_blks_hit | numeric | Number of buffer-hits in the TOAST table index (if any) in the table |
openGauss 2024-11-22 00:52:56