GS_REL_IOSTAT¶
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.
Column | 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 |