PGXC_REL_IOSTAT

PGXC_REL_IOSTAT displays disk read/write statistics on each node in the cluster. This view is accessible only to users with system administrators rights.

**Table 1** PGXC_REL_IOSTAT columns
Column	Type	Description
node_name	Text	Node name
phyrds	Bigint	Number of disk reads
phywrts	Bigint	Number of disk writes
phyblkrd	Bigint	Number of read pages
phyblkwrt	Bigint	Number of written pages

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