GS_REL_IOSTAT displays disk I/O statistics on the current node. In the current version, only one page is read or written in each read or write operation. Therefore, the number of read/write times is the same as the number of pages.
Name |
Type |
Description |
---|---|---|
phyrds |
bigint |
Number of disk reads |
phywrts |
bigint |
Number of disk writes |
phyblkrd |
bigint |
Number of read pages |
phyblkwrt |
bigint |
Number of written pages |