GLOBAL_REL_IOSTAT
GLOBAL_REL_IOSTAT displays the total disk I/O statistics of all nodes in a cluster. The name of each column in this view is the same as that in the GS_REL_IOSTAT view, but the column meaning is the sum of the value of the same column in the GS_REL_IOSTAT view on each node.
Only users with system administrator permissions can access this view.
| Column | Type | Description |
|---|---|---|
| phyrds | Bigint | Total number of disk read times of all nodes |
| phywrts | Bigint | Total number of disk write times of all nodes |
| phyblkrd | Bigint | Total number of disk pages read by all nodes |
| phyblkwrt | Bigint | Total number of disk pages written by all nodes |
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